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Study, 2026

How do brain chemicals relate to PMDD and what treatments can help?

PMDD affects 3% to 8% of menstruating people and involves a brain chemical imbalance. Several treatments work, including antidepressants, new specific medications, birth control pills, and some herbal remedies.

Early or limited evidence Review of research (not a primary research study)

What they did

Researchers reviewed published studies on brain chemistry in PMDD. They examined how the body makes neuroactive steroids (a type of brain chemical), what happens in the brains of people with PMDD, and which treatments work.

What they found

PMDD involves a chemical called allopregnanolone that disrupts balance in the brain. Brain imaging shows people with PMDD have unusual activity in regions that control emotion. SSRI antidepressants help by adjusting this chemical. Newer medications like Brexanolone and Sepranolone, birth control pills, and traditional Chinese medicine components like peony extract also work.

What it means for you

PMDD is linked to a specific chemical imbalance in the brain that can be treated. Several medication options exist, from older antidepressants to newer targeted drugs. This is a review synthesizing existing research, not a new study with original data from participants.

3%-8%

percentage of menstruating people with PMDD

About the study

Original title
Neuroactive Steroid Regulation in Premenstrual Dysphoric Disorder: Cross-Integration of Metabolism, Dysfunction, Neurobiology, and Precision Medicine
Authors
Yang Q, Wang X, Shi P et al.
Journal
Current neuropharmacology
Year
2026
Study design
Study
What was tested
Various treatments reviewed, including SSRIs, Brexanolone, Sepranolone, oral contraceptives, and herbal remedies

Topics