Q. Does Escitalopram cause irregular periods?

Answered by
Dr. Uzma Arqam
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Mar 17, 2023

Hi doctor,

I am an 18-year-old female who has been taking Escitalopram for bipolar disorder for the last few months. Before taking this medication, I was taking Quetiapine, Lithium, and Aripiprazole tablets twice a day. Since I have been on this new medication, my menstruation cycle has become highly irregular. I have not had any problems with irregular cycles since I started menstruating. My periods lasted 11 days, and my regular periods lasted six days. I was just wondering if this is a serious symptom I need to be worried about (and if I need to see medical advice in person) or if I should continue to wait another month or two and see if it balances back out.

Thank you.



Welcome to

As you described in your history, many factors could cause your disturbed and heavy cycles with long menstrual bleeding days. At your age, the reproductive system is still in the developmental phase so cycles could be ovulatory, anovulatory, regular, irregular, and heavy. In addition, due to your other health issue, you are receiving medications that can have side effects on your developing reproductive cycle. This medication's side effects are heavy menstrual bleeding, constipation, and allergy. Your body responded to medication and got this side effect highlighted. Better to have a complete blood count, thyroid function test, and transvaginal scan if you are sexually active. Otherwise can have transabdominal and pelvic scans with a full bladder.

I suggest you consult a specialist and take the suggested medications with their consent" after you are adding any medication doctor in the query.

Take tablet Norethisterone (Progesterone) 5 milligrams twice daily from the 4th to the 24th day for three cycles to regulate cycles.

Take tablet Ponstan 500 (Mefenamic acid) milligrams 8 hourly and tablet Transenxamic acid 500 milligrams 8 hourly from day 2 for five days to reduce bleeding. Try to consult your treating doctor for your bipolar disorder to see if they can adjust medicine if you cannot solve the problem even after the above medications. Take Iron supplements and food full of iron, like carrots and apples.

Thank you.

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