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Stillwater, OK
A 21-year-old female asked:

Can the birth control errin cause irregular bleeding? i was on it had my period then two weeks later what seems like to be another period.

2 doctor answers5 doctors weighed in
Dr. Timothy Brown
Obstetrics and Gynecology 44 years experience
Yes: Irregular bleeding is the most common side effect on the pill. Be sure to take it consistently and be careful of other medications, particularly antibiotics. Once started it tends to persist through the cycle. If it recurs you might discuss making a switch.
Dr. Kimberly Morse
Obstetrics and Gynecology 23 years experience
Yes: Errin is a Progesterone only pill and often causes irregular bleeding.

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Last updated Jun 30, 2014

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