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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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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