What to explain
Show what changes before the period and what improves after bleeding begins.
My brain fog and mood symptoms become much worse before my period and improve soon after bleeding begins. I brought daily ratings from at least two menstrual cycles and examples of how the symptoms affect work, school, relationships, sleep, or safety. I would like help deciding whether this is PMDD, another condition that worsens before a period, or a different medical problem, and which treatment options are suitable for me.
Questions to take in
Ask about diagnosis, safety, treatment choices, and other conditions.
- Do my daily ratings meet PMDD criteria, or does another condition become worse before my period?
- Which medical or mental health conditions need assessment before we call this PMDD?
- Do my bleeding or thyroid symptoms justify CBC, ferritin, TSH, or Free T4 testing?
- Should we discuss an SSRI, hormonal contraception, cognitive behavioral therapy, exercise, or another guideline-supported option?
- Would continuous or premenstrual SSRI use be safer and more suitable with my diagnoses, medicines, pregnancy plans, and side-effect history?
- What warning signs should make me stop a treatment or seek urgent help?
- What should my safety plan include for days when suicidal or self-harm thoughts become worse?
- When should I see gynecology, reproductive psychiatry, or another mental health clinician?
Records and tests to discuss
Daily ratings come first; blood tests depend on other symptoms.
DRSP or another daily record can show whether symptoms repeatedly become severe before periods and much milder afterward. Depression screening and selected blood tests may identify another problem, but no laboratory test confirms PMDD.
Daily Record of Severity of Problems (DRSP)
Records mood, thinking, physical symptoms, and daily impairment every day. At least two cycles can show whether symptoms repeatedly become severe before periods and minimal afterward.
Ask your doctorPHQ-9 depression screening
Screens for depression during the past two weeks and asks about thoughts of death or self-harm. It cannot show the full menstrual timing and does not replace a direct safety assessment.
Read the test guideTSH and Free T4
Checks for thyroid dysfunction when symptoms or medical history make it a reasonable concern. A normal result does not confirm PMDD.
Read the test guideCBC and ferritin
Checks anemia and stored iron when bleeding is heavy or other symptoms make iron deficiency possible. Low iron can worsen fatigue and thinking but does not diagnose PMDD.
Read the test guideBefore the appointment
Bring two cycles of daily ratings and the effect on daily life.
Rate symptoms daily for at least two full cycles. Include the first day of bleeding, mood, brain fog, sleep, physical symptoms and how much they affected daily life.
Three examples of missed work or school, unfinished tasks, arguments, withdrawal, unsafe driving, or other activities that changed before a period.
A list of every prescription medicine, contraceptive, supplement, cannabis product, alcohol use, and any recent dose or schedule change.
Earlier diagnoses or symptoms of depression, anxiety, bipolar disorder, ADHD, eating problems, migraine, thyroid disease, anemia, endometriosis, or perimenopause.
The date symptoms began, cycle length, bleeding amount, missed or irregular periods, pregnancy possibility, and changes after childbirth or stopping contraception.
Any suicidal thoughts, self-harm thoughts, emergency visits, safety plans, or help received. Do not wait for a routine appointment if you cannot stay safe.
Earlier treatment names, dates, benefits, side effects, and why each treatment stopped.
PMDD is thought to involve sensitivity to normal hormone changes during the menstrual cycle. Estrogen, progesterone, FSH, LH, vitamin, and mineral tests are not routine confirmation tests.
How the doctor assesses this
Details that help a clinician assess PMDD
- Daily ratings show severe symptoms before most periods and a much better time afterward.
- Symptoms interfere with work, school, relationships, usual activities, or emotional safety.
- At least one severe mood symptom occurs with the brain fog or physical symptoms.
Details that require another condition or urgent safety need to be assessed
- Daily ratings do not show a clear increase before periods across at least two cycles.
- Brain fog, depression, anxiety, irritability, or sleep trouble stays just as severe after the period begins.
- Symptoms began after a medicine change, pregnancy, major sleep loss, thyroid disease, anemia, substance use, or another illness and do not change with the cycle.
- There is no meaningful effect on work, school, relationships, daily activities, or emotional safety.
- One normal or abnormal hormone result cannot confirm or rule out PMDD. Daily symptoms across the menstrual cycle matter more.
What to understand before choosing care
Questions that decide whether you need treatment, testing, or referral.
- Please review my daily symptom ratings. How I remember the last period isn't enough on its own.
- Please assess depression, anxiety, bipolar symptoms, ADHD, sleep, medicines, thyroid symptoms, bleeding, pregnancy possibility, and perimenopause when relevant.
- Please ask directly about suicidal thoughts, self-harm thoughts, and whether I can stay safe during the worst days.
- If PMDD is likely, I want to discuss treatments supported by guidelines, the possible harms, and how we will measure whether they help.
- If symptoms remain severe all month, please assess an existing condition that may become worse before periods.
What the research found
What guidelines and recent research say about daily ratings, treatment, and suicide risk.
Ratings recorded every day for at least two cycles reduce errors from remembering only the worst days. A clinician may still make an early, not-yet-final assessment before two cycles end.
PMDD symptoms occur before periods and become minimal after menstruation begins. Depression, anxiety, ADHD, migraine, or another condition may instead remain present and become worse before periods.
ACOG recommends considering several treatments, including SSRIs, hormonal options, psychological care, exercise, and selected nutritional approaches. The best choice depends on medical history, pregnancy plans, other medicines, and patient preference.
A 2026 systematic review included 18 studies and about 2.6 million participants, but 70% of studies had quality concerns and estimates varied greatly. It still found higher suicidality among people with PMDD, which supports direct safety assessment.
No blood test or brain scan diagnoses PMDD. Hormone levels are often within expected cycle ranges.
How adolescence, adulthood, perimenopause, pregnancy plans, and other health conditions change care.
PMDD can begin after periods start in adolescence. Teenagers need daily ratings, school and home examples, and direct assessment of depression, self-harm, eating, sleep, and safety.
Adults may first recognize PMDD after childbirth, stopping contraception, or years of symptoms. A new change still needs assessment for pregnancy, thyroid disease, anemia, medicines, and other causes.
Cycle length and hormone changes can become less predictable during perimenopause. Daily ratings remain useful, but irregular periods and new symptoms may require a broader gynecology review.
PMDD is diagnosed in people who menstruate. It is not diagnosed from a male or female hormone cutoff, and one estrogen or progesterone result does not confirm it.
Pregnancy, breastfeeding, contraception needs, migraine with aura, blood-clot history, bipolar disorder, and other medicines can change which treatments are safe.
If the answer is no
If your doctor will not order a hormone panel for PMDD
A hormone panel cannot diagnose PMDD. The timing of symptoms across the menstrual cycle matters more. ACOG recommends a daily symptom record. A doctor may also check for depression, anxiety, perimenopause, thyroid disease, or another cause of the symptoms.
What changes the answer
- Track symptoms every day. Record mood, sleep, focus, body symptoms, and daily function. Add period dates and note whether symptoms improve after bleeding begins.
- Show whether symptoms stop. Symptoms that continue all month may point to another condition that gets worse before a period.
- Ask about focused tests for another cause. Pregnancy, thyroid disease, or perimenopause may need a specific test.
- Bring records from more than one cycle. Ask how the record will be used to make the diagnosis and judge whether treatment helps.
United States, United Kingdom, and Australia
PMDD assessment.
US United States
Bring two cycles of daily ratings. Ask a primary care clinician, gynecologist, or mental health clinician to compare premenstrual days with the days after bleeding begins and assess safety, other diagnoses, and treatment options.
- Start with primary care, gynecology, or a mental health clinician who can review daily ratings and safety.
- ACOG covers SSRIs, hormonal treatments, counseling, exercise, nutritional approaches, education, and surgical treatment for severe cases.
- Ask the prescriber to account for pregnancy plans, contraception needs, bipolar disorder, migraine, blood-clot risk, and other medicines.
UK United Kingdom
Ask the GP to review daily symptoms and safety. Bring two cycles of ratings, medicine and contraception history, bleeding details, mental health history, and examples of how the symptoms affect work, relationships, or safety.
- RCOG advises recording symptoms over two menstrual cycles.
- A GP can review the diary, other medical or mental health causes, and treatment options.
- You may need a gynecology or mental health referral when symptoms are severe, dangerous, or don't improve.
AU Australia
Bring daily ratings to a GP. Ask the GP to compare symptoms before and after periods, review mental and physical health, and discuss treatment or referral. Use emergency care if you cannot stay safe.
- Start with a GP who can review daily ratings, mental health safety, medical causes, and treatment choices.
- PMDD includes severe symptoms before periods that interfere with daily life.
- A gynecologist or psychiatrist may help when the diagnosis is uncertain or symptoms remain severe.
Safety
Keep daily ratings before and after treatment.
- Record symptoms every day, including good days, so the clinician can see whether there is a lower-symptom time after the period.
- Use the same simple ratings each day for mood, irritability, anxiety, brain fog, sleep, physical symptoms, and effect on daily life.
- Continue daily ratings for two or three cycles after starting treatment to compare benefit and side effects.
- Write an advance plan for work, childcare, driving, conflict, medicines, and emotional safety during the worst days.
- Do not change antidepressant, ADHD, hormone, or contraceptive doses by cycle day without the prescriber.
Source checked
Sources behind this handout.
- 01
ACOG Clinical Practice Guideline No. 7, Management of Premenstrual Disorders (2023)
Source - 02
Royal College of Obstetricians and Gynaecologists, Managing Premenstrual Syndrome
Source - 03
Jean Hailes for Women's Health, Premenstrual Dysphoric Disorder
Source - 04
pubmed.ncbi.nlm.nih.gov/27523500
Source - 05
pubmed.ncbi.nlm.nih.gov/37851411
Source - 06
pubmed.ncbi.nlm.nih.gov/16172836
Source - 07
Yonkers et al., premenstrual syndrome review (2008)
DOI