Yes, Topamax can cause menstrual irregularities.
Genitourinary side effects in the female frequently have included intermenstrual bleeding, leukorrhea, menorrhagia, vaginitis, and amenorrhea. Urinary tract infections, micturition frequency, urinary incontinence, dysuria, and renal calculus have also been reported frequently.
Long story short, BC never worked and I’ve constantly had a period (11 years). April 2020 put on topamax for migraines. 2 months after, I had a regular period then it stopped. Almost a year later to the diagnosis, still no period or even PMS or random discharge which is a challenge my OBGYNs have been trying to tackle for a long time. Talk to your OB/GYN’s before taking, might sound like paradise but it’s not natural. Also, major nausea and acid reflex
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