Common symptoms
- •Severe mood swings, rage, tearfulness in the week before bleeding
- •Depression, hopelessness, suicidal thoughts that lift with the period
- •Anxiety, panic, sense of being overwhelmed
- •Insomnia or hypersomnia in the luteal phase
- •Breast pain, bloating, headaches, joint aches
- •Food cravings, binge eating
- •Symptoms reliably gone by day 3–4 of the period
What drives it
- •Abnormal brain (GABA / serotonin) response to the luteal fall in progesterone and estradiol
- •Genetic predisposition — strong family pattern
- •Often worse in perimenopause and after pregnancy
- •Trauma history and chronic stress amplify severity
Testing approach
We test estradiol and progesterone in the luteal phase (about 7 days after ovulation) to confirm ovulation and rule out a frank progesterone deficiency. We add TSH, ferritin and vitamin D — low levels of any of these will make PMDD harder to treat. If you're over 38, we also screen for perimenopause overlap.
What to do next
- ✓Track symptoms daily for two full cycles — pattern is the diagnosis
- ✓Confirm ovulation and rule out thyroid, iron and vitamin D issues
- ✓Discuss SSRI (luteal-phase or continuous), cycle suppression, or bioidentical progesterone with a doctor
- ✓Address sleep, alcohol and blood-sugar volatility — all measurably worsen PMDD
- ✓Get a perimenopause panel if cycles are also changing
Frequently asked
PMS is uncomfortable but manageable. PMDD meaningfully disrupts work, relationships or mental health for 5–14 days every cycle and lifts within days of bleeding. The pattern, not the symptom list, is what distinguishes them.
No — PMDD is diagnosed by tracking symptoms across two cycles. Bloods rule out the conditions that mimic or worsen it: thyroid disease, low iron, vitamin D deficiency, perimenopause.
Some women improve on combined pills (especially drospirenone-containing); some get worse. Continuous dosing — skipping the placebo week — often works better than cyclic.
It's the severe end of the same spectrum, but the impact is categorically different. Suicidal thoughts in the luteal phase are common in PMDD and rare in PMS.
Often, yes. Hormonal volatility increases through perimenopause, and women with PMDD frequently report their worst years are the 3–5 leading into menopause.
Stable sleep, lower alcohol, steadier blood sugar and consistent strength training each reduce symptom severity in studies. They don't replace medical treatment for severe cases, but they meaningfully lift the floor.
Any suicidal thoughts, even cyclical ones, are an urgent reason to be seen. PMDD with suicidality is treatable — you don't have to white-knuckle through it.
References
- Jean Hailes for Women's Health— Evidence-based women's health information and research
- Endocrine Society — Clinical practice guidelines— Endocrine and hormone disorder management
- NICE — Women's health guidelines— Clinical evidence-based guidance for women's health
References are provided for educational context only. Her Form is not affiliated with these organisations. Always interpret results with a qualified healthcare professional.