Not common: There are normal variations in periods that can cause women to menstruate around 28-35 days. Maybe its a delay by a few days but Flagyl is not known to commonly lead to delay in onset of period. If you had unprotected sex, do a home pregnancy test
Answered 10/30/2015
2.1k views
A doctor has provided 1 answer
5 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question