A member asked:

Hey i'm taking cingular, vyvance, and crisanta ls for birth control. could any of those things cause me to not have my period. it's been a while. ?

A doctor has provided 1 answer

It's possible: Singulair (montelukast) shouldn't. Crisanta shouldn't because it comes with 7 placebo pills that are supposed to trigger "withdrawal bleeding" (a period). Vyvanse could, I suppose, since it can cause anorexia which can then cause changes in the menstrual cycle. Talk with your prescribing doctor, and check a pregnancy test just to be sure!

Answered 3/22/2020

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