Whel

CONDITION · C-05

PMDD.

PMDD is a severe cyclic disorder in which the brain responds abnormally to normal hormonal changes in the luteal phase. Symptoms include depression, anxiety, and irritability that appear reliably before menstruation and resolve within days of onset. It is distinct from PMS in severity and carries elevated suicide risk in the luteal phase.

PREVALENCE

3 to 8% of menstruating women

DSM RECOGNITION

Distinct diagnosis only since 2013

APPROVED THERAPY

SSRIs and one oral contraceptive

AT A GLANCE

Total signals indexed46
Strong-tier5
Moderate-tier7
Emerging-tier33
Exploratory-tier1
Last reviewedMay 2026

FIGURE A · TIER DISTRIBUTION

Signals per confidence tier

Strong
5
Moderate
7
Emerging
33
Exploratory
1

The largest single group is the Emerging tier (33); 5 of the 46 indexed signals reach Strong, the tier reserved for the most robust, replicated evidence.

FIGURE B · ARM COMPOSITION

Where each signal originates

11
12
17
6
Direct Research · 11Cross-Condition Signals · 12Pathway Insights · 17Community Forum Reports · 6

Pathway Insights contributes the most signals (17); Community Forum Reports the fewest (6). Each evidence arm applies its own inclusion threshold.

BIOLOGY

Biological context

Not caused by abnormal hormone levels. The brain in PMDD responds to normal progesterone metabolites with a paradoxical anxiety response instead of the expected calming effect. This points to altered GABA-A receptor sensitivity, not a hormonal imbalance.

RESEARCH & FUNDING

Research landscape

Contested as a pharmaceutical construct for two decades, delaying research investment and clinical training. Receives roughly 1 to 2 million dollars in annual NIH funding despite affecting millions of women.

REPURPOSING SIGNALS

46 signals indexed.

Existing drugs and compounds with published evidence, cross-condition signals, or mechanistic overlap for pmdd.

Direct ResearchSTRONG

Drospirenone/Ethinyl Estradiol (24/4 Regimen)

Score10/10Direction·Improves conditionSource·PubMedStudies·5FDA ApprovedOral contraception

Summary

Drospirenone 3mg/ethinyl estradiol 20mcg in a 24/4 dosing regimen has FDA approval for PMDD treatment, supported by multiple randomized, double-blind, placebo-controlled trials. Drospirenone, a spironolactone derivative with antimineralocorticoid and antiandrogenic properties, has demonstrated efficacy in reducing both somatic and affective/behavioral symptoms of PMDD. Multiple reviews confirm significant improvement in mood symptoms (irritability, depression), physical symptoms (bloating, breast tenderness), and behavioral symptoms compared to placebo. The 24/4 regimen (extending active pills from 21 to 24 days) provides additional benefit over traditional 21/7 OC regimens.

SIGNAL · PMDD-1
Direct ResearchEMERGING

Chromium (supplementation)

Score5/10Direction·Improves conditionSource·PubMedStudies·1FDA ApprovedNutritional supplement (glucose metabolism, insulin sensitivity)

Summary

In two small studies — a single-blind study of 5 women and a double-blind crossover study of 6 women — chromium supplementation administered from mid-cycle to menses onset was associated with reduced menstrual cycle-related mood symptoms and improved overall health satisfaction in most participants with PMDD. In some cases, chromium alone produced marked clinical improvement; in others, chromium plus sertraline was superior to either agent alone. Symptoms were assessed using daily symptom checklists, HAM-D, and CGI scales. Two participants had been specifically referred for treatment-resistant menstrual-related symptoms.

SIGNAL · PMDD-2
Direct ResearchEMERGING

Levetiracetam

Score5/10Direction·Improves conditionSource·PubMedStudies·1FDA ApprovedEpilepsy (anticonvulsant)

Summary

In a pilot open-label study, 7 women with rigorously diagnosed PMDD (DSM-IV-TR criteria confirmed by two months of prospective DRSP ratings, psychiatric comorbidities excluded via MINI) were treated with levetiracetam (starting 250mg qhs, titrated up to 1500mg bid) for 4 months. Six of 7 patients experienced considerable decreases in DRSP scores starting from the first treatment cycle. Unexpected benefits included improvements in food cravings and premenstrual headaches. One patient dropped out for lack of efficacy. Medication was fairly well tolerated.

SIGNAL · PMDD-3
Direct ResearchMODERATE

Venlafaxine

Score7/10Direction·Improves conditionSource·PubMedStudies·1FDA ApprovedMajor depressive disorder / generalized anxiety disorder

Summary

In an open-label trial, 30 women with DSM-IV-diagnosed PMDD were treated with flexible-dose venlafaxine (mean dose 60.1 ± 29.1 mg/day) for two menstrual cycles. Twenty patients completed the trial and showed significant improvement in mood and behavior components measured by the PRISM calendar, as well as improvements on HAM-D, HAM-A, STAI, Zung, and CGI scales. Effects were apparent by the first active treatment cycle. This was the second study (first in Asian women) to evaluate venlafaxine for PMDD.

SIGNAL · PMDD-4
Direct ResearchMODERATE

Spironolactone

Score7/10Direction·Improves conditionSource·PubMed · FDA AEMSStudies·2FDA ApprovedHypertension / Heart failure (potassium-sparing diuretic)

Summary

Multiple reviews identify spironolactone as an off-label pharmacologic option for treating PMDD/PMS symptoms, particularly fluid retention, bloating, and related physical symptoms. It is referenced alongside SSRIs and GnRH agonists as an established treatment option. The effectiveness of drospirenone (a spironolactone derivative) in PMDD further supports the therapeutic relevance of antimineralocorticoid activity for this condition.

SIGNAL · PMDD-5
Direct ResearchSTRONG

Sertraline

Score10/10Direction·Improves conditionSource·PubMed · FDA AEMSStudies·2FDA ApprovedMajor depressive disorder / anxiety disorders

Summary

Luteal-phase sertraline (50mg from approximate ovulation to menses onset) was studied in 32 women with PMDD and found to significantly increase serum pregnanolone levels and the pregnanolone:progesterone ratio, while decreasing 3alpha,5alpha-androsterone during the luteal phase. This is the first study demonstrating that SSRI treatment alters peripheral GABAergic neuroactive steroid levels in PMDD, providing mechanistic insight into how sertraline achieves its well-established clinical efficacy in PMDD beyond serotonergic effects alone. Sertraline is already FDA-approved for PMDD and is a first-line treatment.

SIGNAL · PMDD-6
Direct ResearchEMERGING

Clomiphene Citrate

Score5/10Direction·May worsen conditionFDA Approved

Summary

In NCT00704912, clomiphene citrate treatment in PCOS women produced notable mood-related AEs including mood swings (n=19 total across arms), insomnia (n=5), postpartum depression (n=1), sleep disturbance (n=1), and fatigue (n=16). These mood and neuropsychiatric symptoms are consistent with estrogen receptor blockade disrupting serotonergic and GABAergic neurotransmission, pathways central to PMDD pathophysiology.

SIGNAL · PMDD-7
Direct ResearchEMERGING

Flutamide

Score5/10Direction·Improves conditionFDA Approved

Summary

In NCT00611923, flutamide (an androgen receptor antagonist) was evaluated for PMDD/PMS and produced AEs including insomnia (n=4), headache (n=6), hot flushes (n=2), and fatigue (n=1). The mood-related AEs (insomnia, fatigue) reflect engagement with neuroendocrine pathways relevant to PMDD, while anti-androgenic action could modulate the androgen-progesterone cross-talk implicated in luteal-phase mood destabilization. Flutamide's anti-androgenic mechanism represents a novel approach to PMDD distinct from serotonergic interventions.

SIGNAL · PMDD-8
Direct ResearchEMERGING

Cinnamon Extract

Score4/10Direction·May worsen conditionFDA Approved

Summary

In NCT01483118, cinnamon extract in PCOS women produced menstrual cramps/dysmenorrhea (n=9), anxiety (n=1), insomnia (n=1), and migraine (n=3). While studied in PCOS, the mood-related AE terms (anxiety, insomnia) combined with menstrual cramps pattern bear relevance to PMDD, as restoration of ovulatory cyclicity by cinnamon's metabolic effects may unmask or produce luteal-phase mood symptoms in susceptible individuals.

SIGNAL · PMDD-9
Cross-Condition SignalsSTRONG

Escitalopram

Score9/10Direction·Improves conditionSource·FDA AEMSFDA ApprovedMajor depressive disorder / generalized anxiety disorder

Summary

Out of 36,976 condition-relevant adverse event reports for escitalopram in the FDA AEMS database (from 85,593 total female-patient reports), mood and neurological signals relevant to PMDD were identified including depression (n=12), anxiety (n=9), insomnia (n=7), fatigue (n=16), depressed mood (n=3), irritability (n=2), mood swings (n=1), affect lability (n=1), crying (n=1), alongside menstrual disturbances (menstruation irregular n=1, menorrhagia n=1). Escitalopram is widely used off-label for PMDD and these signals likely reflect treatment-seeking; the indication 'night sweats' also suggests a perimenopausal/PMDD-adjacent population. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-10
Direct ResearchEMERGING

Oxytocin

Score4/10FDA Approved

Summary

In NCT02508103, intranasal oxytocin was investigated for emotional processing in PMDD, with AEs including uterine cramps (n=2) and headache (n=2). The uterine cramps AE is notable as it directly reflects uterotonic activity of oxytocin, which could modulate both pelvic pain perception and neuroendocrine pathways relevant to PMDD. The trial's focus on emotional processing mechanisms in PMDD suggests oxytocin's role in social-affective neurocircuitry implicated in luteal-phase mood dysregulation.

SIGNAL · PMDD-11
Direct ResearchMODERATE

Continuous Oral Contraceptive

Score7/10Direction·Improves conditionFDA Approved

Summary

In NCT00927095, continuous oral contraceptive treatment was evaluated in PMDD with tracked AEs including low mood (n=47), irritability (n=43), anxious symptoms (n=31), fatigue (n=46), bloating (n=25), headache (n=46), and migraine variants (n=12). These AEs represent the core PMDD symptom domains being monitored as outcomes, reflecting the drug's direct engagement with the ovarian steroid fluctuations that trigger PMDD. Continuous OC regimens aim to suppress the hormonal cyclicity — particularly progesterone/allopregnanolone fluctuations — that drives luteal-phase mood symptoms.

SIGNAL · PMDD-12
Pathway InsightsMODERATE

Drospirenone

Score7/10Direction·Improves conditionSource·Open TargetsApprovedoral contraception, premenstrual dysphoric disorder

Summary

Drospirenone is unique among progestins in having potent mineralocorticoid receptor (MR) antagonism (structurally related to spironolactone). PMDD involves significant luteal-phase fluid retention, bloating, breast tenderness, and mood symptoms that are partially mediated by progesterone metabolite-driven aldosterone/MR activation. The Open Targets clinical evidence score for progesterone receptor in PMDD is 0.59, and drospirenone's dual MR antagonist/PR agonist profile addresses both the neuroendocrine progesterone sensitivity and the aldosterone-mediated somatic symptoms.

SIGNAL · PMDD-13
Pathway InsightsMODERATE

Eltanolone

Score8/10Direction·Improves conditionSource·Open TargetsApprovedInvestigational anesthetic (5β-reduced neurosteroid, originally developed for anesthesia induction)

Summary

Eltanolone (5β-pregnanolone) is a neuroactive steroid and positive allosteric modulator of GABA-A receptors, originally investigated as an IV anesthetic. Its presence in Phase 3 for PMDD directly reflects the emerging neurosteroid hypothesis — that PMDD results from abnormal GABA-A receptor sensitivity to endogenous allopregnanolone fluctuations. This parallels the mechanism of brexanolone (a 5α-reduced neurosteroid) approved for postpartum depression, suggesting the GABA-A neurosteroid modulatory site as a validated therapeutic target across reproductive mood disorders.

SIGNAL · PMDD-14
Pathway InsightsMODERATE

Ulipristal Acetate

Score7/10Direction·Improves conditionSource·Open TargetsApprovedEmergency contraception and uterine fibroids (selective progesterone receptor modulator)

Summary

Ulipristal acetate is a selective progesterone receptor modulator (SPRM) approved for uterine fibroids and emergency contraception. The progesterone receptor has an Open Targets overall association score of 0.36 with PMDD (clinical evidence 0.59), and PMDD is fundamentally a disorder of abnormal CNS sensitivity to progesterone and its neuroactive metabolites (particularly allopregnanolone). Unlike simple PR agonists, ulipristal's mixed agonist-antagonist profile could modulate progesterone signaling without full suppression.

SIGNAL · PMDD-15
Pathway InsightsEMERGING

Pravastatin

Score5/10Direction·May worsen conditionSource·FDA AEMSFDA Approvedstatins

Summary

Out of 3,742 condition-relevant adverse event reports for pravastatin in the FDA AEMS database (from 10,007 total female-patient reports), the mood-dominant profile (anxiety n=8, insomnia n=7, depression n=4, irritability n=3, major depression n=1, crying n=1) combined with headache (n=12) and pain signals (abdominal pain n=6, back pain n=9) represents a luteal-phase-relevant symptom cluster pertinent to PMDD. The high anxiety-to-depression ratio and sleep disruption are characteristic of PMDD presentations. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-16
Pathway InsightsEMERGING

Lovastatin

Score6/10Direction·May worsen conditionSource·FDA AEMSFDA Approvedstatins

Summary

Out of 5,981 condition-relevant adverse event reports for lovastatin in the FDA AEMS database (from 13,990 total female-patient reports), the mood profile featuring anxiety (n=3), depression (n=3), insomnia (n=5), sleep disorder (n=5), irritability (n=1), depressed mood (n=1), panic attack (n=3), and cognitive impairment (memory impairment n=9, confusional state n=4, cognitive disorder n=3) alongside headache (n=3) and migraine (n=1) forms a cluster consistent with PMDD-relevant neuropsychiatric disruption. The high CNS penetrance of lovastatin makes neurosteroid pathway disruption particularly plausible. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-17
Pathway InsightsEMERGING

Rosuvastatin

Score5/10Direction·May worsen conditionSource·FDA AEMSFDA Approvedstatins

Summary

Out of 46,392 condition-relevant adverse event reports for rosuvastatin in the FDA AEMS database (from 107,207 total female-patient reports), the mood symptom cluster — depression (n=7), anxiety (n=6), insomnia (n=4), irritability (n=1), crying (n=1), suicidal ideation (n=1), cognitive disorder (n=2) — alongside fatigue (n=15) and memory impairment (n=6) resembles the severe luteal-phase mood disruption profile seen in PMDD. The depressive and cognitive symptoms co-occurring with sleep disruption suggest neurosteroid pathway perturbation relevant to PMDD biology. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-18
Pathway InsightsEMERGING

Fluvastatin

Score5/10Direction·May worsen conditionSource·FDA AEMSFDA Approvedstatins

Summary

Out of 1,296 condition-relevant adverse event reports for fluvastatin in the FDA AEMS database (from 3,509 total female-patient reports), the mood profile shows depression (n=11), sleep disorder (n=10), memory impairment (n=9), insomnia (n=5), anxiety (n=1), irritability (via aggression n=1, emotional distress n=1), alongside headache (n=9), migraine (n=1), and breast pain (n=3). This neuropsychiatric clustering, particularly the sleep disruption and depressive predominance, is relevant to PMDD. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-19
Cross-Condition SignalsEMERGING

Tirzepatide

Score5/10Direction·May worsen conditionSource·FDA AEMSFDA Approvedglp-1 agonists

Summary

Out of 25,166 condition-relevant adverse event reports for tirzepatide in the FDA AEMS database (from 74,456 total female-patient reports), a prominent mood and neurological signal cluster was identified including depression (n=9), anxiety (n=5), insomnia (n=4), memory impairment (n=4), brain fog (n=2), poor quality sleep (n=2), fatigue (n=30), asthenia (n=7), irritable bowel syndrome (n=1), and suicidal ideation (n=1). The depression-anxiety-insomnia triad, especially notable given suicidal ideation, is consistent with perturbation of monoaminergic and HPA axis signaling relevant to PMDD pathophysiology. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-20
Cross-Condition SignalsEMERGING

Semaglutide

Score5/10Direction·May worsen conditionSource·FDA AEMSApprovedType 2 diabetes mellitus and obesity/weight management

Summary

Out of 19,586 condition-relevant adverse event reports for semaglutide in the FDA AEMS database (from 47,253 total female-patient reports), significant mood and neurological signals were observed including depression (n=3), depressed mood (n=2), anxiety (n=8), insomnia (n=4), middle insomnia (n=3), irritability (n=1), and crying (n=1), alongside fatigue (n=16). These mood disturbances, particularly the anxiety-insomnia cluster, parallel the affective dysregulation seen in PMDD and may reflect GLP-1 receptor modulation of central serotonergic and GABAergic circuits in the hypothalamus and amygdala. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-21
Cross-Condition SignalsEMERGING

Liraglutide

Score5/10Direction·May worsen conditionSource·FDA AEMSFDA Approved

Summary

Out of 12,085 condition-relevant adverse event reports for liraglutide in the FDA AEMS database (from 29,717 total female-patient reports), mood and neurological signals included depression (n=4), anxiety (n=3), insomnia (n=3), irritability (n=1), suicidal ideation (n=1), confusional state (n=2), and memory impairment (n=2), alongside fatigue (n=6) and asthenia (n=3). The presence of suicidal ideation alongside depression and anxiety signals raises safety concerns regarding CNS effects of GLP-1 agonism that are relevant to PMDD, where serotonergic and HPA axis dysregulation drive severe luteal-phase affective symptoms. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-22
Cross-Condition SignalsEMERGING

Dulaglutide

Score5/10Direction·May worsen conditionSource·FDA AEMSFDA Approvedglp-1 agonists

Summary

Out of 20,277 condition-relevant adverse event reports for dulaglutide in the FDA AEMS database (from 44,406 total female-patient reports), mood signals relevant to PMDD were present including depression (n=1), depressed mood (n=1), anxiety (n=3), sleep disorder (n=1), cognitive disorder (n=1), memory impairment (n=1), and fatigue (n=8), alongside vasomotor signals (night sweats n=1, hyperhidrosis n=2). While individual mood counts are modest, they are corroborated by the class-wide pattern across semaglutide, liraglutide, and tirzepatide, supporting GLP-1R-mediated CNS mood modulation. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-23
Cross-Condition SignalsEMERGING

Cabergoline

Score6/10Direction·Mixed effectsSource·FDA AEMSApprovedHyperprolactinemia, Parkinson's disease

Summary

Out of 999 condition-relevant adverse event reports for cabergoline in the FDA AEMS database (from 2,447 total female-patient reports), a substantial mood/neurological signal emerged with depression (n=9), anxiety (n=9), insomnia (n=5), depressed mood (n=3), irritability (n=1), and crying (n=1), alongside metabolic disruptions including weight changes and glucose dysregulation. As a potent D2 receptor agonist that suppresses prolactin, cabergoline's dopaminergic effects on the hypothalamic-pituitary axis may exacerbate luteal-phase mood dysregulation in susceptible individuals, though the same mechanism could theoretically benefit PMDD by modulating reward circuitry. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-24
Pathway InsightsEMERGING

Bromocriptine

Score6/10Direction·Mixed effectsSource·FDA AEMSApprovedhyperprolactinemia, Parkinson's disease, type 2 diabetes

Summary

Out of 131 condition-relevant adverse event reports for bromocriptine in the FDA AEMS database (from 316 total female-patient reports), a significant mood/neurological cluster emerged with depression (n=5), anxiety (n=4), insomnia (n=6), depressed mood (n=2), affect lability (n=1), and crying (n=1), alongside fatigue (n=10) and cognitive disturbance (n=2+2). These mood effects in a dopamine agonist are relevant to PMDD, where dopaminergic reward circuitry dysfunction during the luteal phase contributes to dysphoria, and bromocriptine's dual action on prolactin and central mood pathways may have both therapeutic and adverse implications. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-25
Pathway InsightsEMERGING

Pramipexole

Score6/10Direction·Mixed effectsSource·FDA AEMSFDA Approveddopamine agonists

Summary

Out of 4,176 condition-relevant adverse event reports for pramipexole in the FDA AEMS database (from 10,301 total female-patient reports), a prominent mood/neurological cluster included depression (n=7), depressed mood (n=6), anxiety (n=8), insomnia (n=6), major depression (n=1), and suicidal ideation (in general sample), alongside fatigue (n=15) and cognitive impairment (n=4+4). The general sample corroborated neuropsychiatric effects with impulse-control pathology (pathological gambling n=1, obsessive-compulsive disorder n=1). Pramipexole is a preferential D3 receptor agonist with known effects on mesolimbic reward circuitry, making its mood profile directly relevant to PMDD's dopaminergic dysregulation. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-26
Pathway InsightsEMERGING

Rotigotine

Score6/10Direction·Mixed effectsSource·FDA AEMSFDA Approveddopamine agonists

Summary

Out of 1,648 condition-relevant adverse event reports for rotigotine in the FDA AEMS database (from 6,009 total female-patient reports), rotigotine showed the highest anxiety signal in the class (n=10), alongside insomnia (n=9), fatigue (n=9), asthenia (n=9), depression (n=3), memory impairment (n=4), tearfulness (n=2), and depressed mood (n=1). The general sample confirmed neuropsychiatric effects with confusional state (n=14) and hallucination (n=3). As a transdermal D1/D2/D3 agonist providing continuous dopaminergic stimulation, rotigotine's mood effects are mechanistically relevant to PMDD, where pulsatile versus tonic dopamine signaling may differentially affect luteal-phase mood regulation. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-27
Pathway InsightsEMERGING

Ropinirole

Score6/10Direction·Mixed effectsSource·FDA AEMSFDA Approveddopamine agonists

Summary

Out of 4,313 condition-relevant adverse event reports for ropinirole in the FDA AEMS database (from 10,302 total female-patient reports), mood/neurological signals included anxiety (n=8), insomnia (n=7), depression (n=3), sleep disorder (n=4), depressed mood (n=2), mood swings (n=1), and irritability (n=1), alongside fatigue (n=9) and asthenia (n=10). The general sample confirmed neuropsychiatric burden with acute psychosis (n=6), dopamine dysregulation syndrome (n=3), and hallucinations (n=4). Ropinirole's non-selective D2/D3 agonism affects mesolimbic mood and reward circuits relevant to PMDD dopaminergic dysfunction during the luteal phase. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-28
Cross-Condition SignalsSTRONG

Fluoxetine

Score10/10Direction·Improves conditionSource·FDA AEMSFDA Approvedssris

Summary

Out of 35,251 condition-relevant adverse event reports for fluoxetine in the FDA AEMS database (from 83,971 total female-patient reports), a robust mood and neurological signal cluster relevant to PMDD was identified including depression (n=17), anxiety (n=14), fatigue (n=13), insomnia (n=8), irritability (n=3), crying (n=2), affect lability (n=1), and premenstrual syndrome (n=1). Fluoxetine is FDA-approved for PMDD and these signals reflect the treated population; the presence of residual mood symptoms alongside menstrual disruption (amenorrhoea n=3, menorrhagia n=3, menstruation irregular n=2) suggests incomplete response in some patients. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-29
Cross-Condition SignalsMODERATE

Citalopram

Score8/10Direction·Improves conditionSource·FDA AEMSFDA Approvedssris

Summary

Out of 34,200 condition-relevant adverse event reports for citalopram in the FDA AEMS database (from 83,257 total female-patient reports), mood and neurological signals relevant to PMDD were identified including depression (n=18), major depression (n=7), anxiety (n=5), insomnia (n=5), fatigue (n=14), asthenia (n=8), confusional state (n=3), memory impairment (n=3), crying (n=1), and mood swings (n=1). These signals, alongside the drug's serotonergic mechanism, reflect the treated PMDD population and are consistent with known SSRI efficacy in luteal-phase mood dysregulation. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-30
Cross-Condition SignalsSTRONG

Paroxetine

Score10/10Direction·Improves conditionSource·FDA AEMSFDA Approvedssris

Summary

Out of 22,530 condition-relevant adverse event reports for paroxetine in the FDA AEMS database (from 54,720 total female-patient reports), extensive mood and neurological signals relevant to PMDD were identified including depression (n=14), anxiety (n=8), insomnia (n=10), fatigue (n=25), confusional state (n=5), asthenia (n=5), memory impairment (n=4), crying (n=3), mood altered (n=3), irritability (n=2), and mood swings (n=1), alongside menstrual signals (menstrual disorder n=1, menorrhagia n=1, metrorrhagia n=1). Paroxetine is the only SSRI with specific FDA approval for both PMDD and menopausal vasomotor symptoms (as Brisdelle), making its AEMS profile uniquely informative. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-31
Pathway InsightsEMERGING

Ibuprofen

Score5/10Direction·Mixed effectsSource·FDA AEMSFDA Approvednsaids

Summary

Out of 68,147 condition-relevant adverse event reports for ibuprofen in the FDA AEMS database (from 159,407 total female-patient reports), a prominent mood/neurological cluster includes depression (n=9), anxiety (n=11), depressed mood (n=2), insomnia (n=2), irritability (n=1), crying (n=1), and mood alteration (n=1), suggesting CNS effects that could exacerbate PMDD symptomatology during the luteal phase. The co-occurrence of menstrual irregularity signals alongside mood disturbance is notable for a cyclical mood disorder. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-32
Pathway InsightsEMERGING

Diclofenac

Score5/10Direction·Mixed effectsSource·FDA AEMSFDA Approvednsaids

Summary

Out of 37,836 condition-relevant adverse event reports for diclofenac in the FDA AEMS database (from 86,286 total female-patient reports), mood/neurological signals are prominent: depression (n=5), anxiety (n=5), insomnia (n=3), memory impairment (n=3), crying (n=1), mood altered (n=1), cognitive disorder (n=1), and sleep disorder (n=1). These co-occur with pain signals in a pattern consistent with PMDD-relevant neuropsychiatric disturbance, particularly given diclofenac's CNS penetration. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-33
Pathway InsightsEMERGING

Meloxicam

Score5/10Direction·Mixed effectsSource·FDA AEMSFDA Approvednsaids

Summary

Out of 17,165 condition-relevant adverse event reports for meloxicam in the FDA AEMS database (from 37,086 total female-patient reports), a prominent mood/neurological cluster emerges: anxiety (n=7), memory impairment (n=6), asthenia (n=6), depression (n=5), insomnia (n=5), confusional state (n=3), mood altered (n=2), crying (n=1), irritability (n=1), and affect lability (n=1). This mood profile, co-occurring with menorrhagia (n=1) and hormone level abnormal (n=1), is relevant to PMDD's luteal-phase neuropsychiatric presentation. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-34
Pathway InsightsEMERGING

Naproxen

Score5/10Direction·Mixed effectsSource·FDA AEMSFDA Approvednsaids

Summary

Out of 38,880 condition-relevant adverse event reports for naproxen in the FDA AEMS database (from 85,294 total female-patient reports), a robust mood/neurological cluster emerges: depression (n=5), anxiety (n=4), insomnia (n=4), irritability (n=2), mood swings (n=2), crying (n=2), depressed mood (n=1), and mood altered (n=1). Menstrual cycle disruption (dysmenorrhoea n=1, menstruation irregular n=1) co-occurring with these mood signals is mechanistically relevant to PMDD's luteal-phase mood pathology. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-35
Cross-Condition SignalsEMERGING

Exemestane

Score6/10Direction·May worsen conditionSource·FDA AEMSFDA Approvedaromatase inhibitors

Summary

Out of 8,735 condition-relevant adverse event reports for exemestane in the FDA AEMS database (from 18,954 total female-patient reports), mood-related adverse events including insomnia (n=6), anxiety (n=4), depression (n=3), memory impairment (n=2), irritability (n=1), cognitive disorder (n=1), and confusional state (n=1) represent a significant affective burden consistent with estrogen-withdrawal-driven mood dysregulation. This pattern parallels the neurosteroid sensitivity mechanism in PMDD, where estrogen fluctuations disrupt GABAergic inhibitory tone. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-36
Cross-Condition SignalsEMERGING

Anastrozole

Score6/10Direction·May worsen conditionSource·FDA AEMSApprovedHormone receptor-positive breast cancer (postmenopausal women)

Summary

Out of 15,012 condition-relevant adverse event reports for anastrozole in the FDA AEMS database (from 31,213 total female-patient reports), a robust mood-neurological cluster including depression (n=8), sleep disorder (n=8), insomnia (n=7), anxiety (n=3), depressed mood (n=1), and anxiety disorder (n=1) was observed, alongside menstrual disruption (amenorrhoea n=1). These mood symptoms driven by acute estrogen deprivation mirror the neuroendocrine vulnerability underlying PMDD, where fluctuations in estrogen and its neuroactive metabolite allopregnanolone trigger affective symptoms. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-37
Cross-Condition SignalsEMERGING

Letrozole

Score6/10Direction·May worsen conditionSource·FDA AEMSApprovedhormone receptor-positive breast cancer

Summary

Out of 24,875 condition-relevant adverse event reports for letrozole in the FDA AEMS database (from 54,797 total female-patient reports), mood-related adverse events including depression (n=5), mood altered (n=5), irritability (n=4), insomnia (n=4), anxiety (n=3), mood swings (n=2), and crying (n=1) form a prominent cluster consistent with estrogen-withdrawal-driven affective dysregulation analogous to PMDD neurobiology. The convergence of luteal-phase-like estrogen withdrawal pathophysiology with aromatase inhibitor-induced estrogen depletion suggests shared vulnerability in serotonergic and GABAergic signaling pathways. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-38
Pathway InsightsEXPLORATORY

Metformin

Score3/10Source·FDA AEMSFDA ApprovedType 2 diabetes mellitus

Summary

Out of 89,421 condition-relevant adverse event reports for metformin in the FDA AEMS database (from 212,759 total female-patient reports), mood and neurological signals including depression, anxiety, insomnia, mood swings, and fatigue are documented, alongside known pharmacological effects on neurotransmitter-relevant pathways. Metformin's modulation of insulin signaling in the brain and its effects on neuroinflammation via AMPK activation intersect with PMDD pathophysiology, where GABAergic sensitivity to allopregnanolone fluctuations is compounded by metabolic-hormonal dysregulation. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-39
Pathway InsightsEMERGING

Naltrexone

Score6/10Direction·May worsen conditionSource·FDA AEMSFDA Approvednaltrexone

Summary

Out of 8,493 condition-relevant adverse event reports for naltrexone in the FDA AEMS database (from 18,974 total female-patient reports), a prominent mood and neurological symptom cluster was identified including depression (n=6), insomnia (n=7), anxiety (n=5), depressed mood (n=3), irritability (n=2), mood swings (n=1), and affect lability (n=1). Naltrexone's blockade of mu- and kappa-opioid receptors directly modulates the hypothalamic-pituitary-adrenal (HPA) axis and endogenous beta-endorphin signaling, both of which are dysregulated during the luteal phase in PMDD, suggesting that opioid receptor antagonism could either worsen or unmask luteal-phase mood vulnerability. Full-scale analysis of all reports may reveal additional patterns.

SIGNAL · PMDD-40
Community Forum ReportsEMERGING

Wellbutrin (bupropion)

Score4/10Direction·Improves condition

Summary

Multiple users report that Wellbutrin/bupropion, prescribed off-label for PMDD (it is an NDRI antidepressant, not an SSRI), significantly reduced or eliminated their PMDD symptoms. Users describe it as providing relief where SSRIs and birth control failed, with some reporting zero PMDD symptoms after starting it.

SIGNAL · PMDD-41
Community Forum ReportsEMERGING

Vitamin D (D3)

Score4/10Direction·Improves condition

Summary

Multiple users report significant vitamin D deficiency and note symptom improvement after supplementing with vitamin D3. Some discovered very low levels (e.g., 9.1 ng/mL) and attributed some of their PMDD-like symptoms to the deficiency. Users report improvements in mood, energy, and overall symptom severity after correcting deficiency.

SIGNAL · PMDD-42
Community Forum ReportsEMERGING

Calcium

Score5/10Direction·Improves condition

Summary

Multiple users report taking calcium supplements for PMDD symptom management, supported by research showing PMDD symptom overlap with hypocalcemia. A master's thesis found women with PMDD have lower urine calcium values in the luteal phase. Users include calcium in supplement stacks they credit with reducing symptom severity.

SIGNAL · PMDD-43
Community Forum ReportsEMERGING

Progesterone (bioidentical/supplemental)

Score5/10Direction·Improves condition

Summary

Multiple users report significant PMDD improvement after supplementing with bioidentical progesterone (Prometrium or progesterone cream), particularly when low progesterone was identified. Users describe elimination of hell week symptoms including insomnia, depression, mood swings, and suicidality. Some found relief within days of starting treatment.

SIGNAL · PMDD-44
Community Forum ReportsEMERGING

Myfembree (relugolix/estradiol/norethindrone)

Score6/10Direction·Improves condition

Summary

Multiple users report Myfembree, a GnRH antagonist with hormonal add-back approved for heavy bleeding in endometriosis/fibroids, used off-label for PMDD with dramatic results. Users describe it as 'life-changing,' stopping PMDD symptoms, reducing migraines, and allowing them to taper off SSRIs. Loss of access led to full symptom return.

SIGNAL · PMDD-45
Community Forum ReportsEMERGING

Magnesium (various Forms Including Glycinate)

Score4/10Direction·Improves condition

Summary

Multiple users report taking magnesium supplements (often magnesium glycinate) as part of their PMDD management, with reports of reduced anxiety, improved sleep, and overall symptom improvement. It appears frequently in supplement stacks that users credit with meaningful symptom reduction.

SIGNAL · PMDD-46