Plan B -

: This can be a warning sign of an ectopic pregnancy (a pregnancy outside the uterus), which is a medical emergency.

: Seek help for unusually heavy vaginal bleeding that is not your period. Plan B

: Call 1-800-330-1271 (Mon–Fri, 9 AM – 5 PM ET) to report side effects directly to the manufacturer. : This can be a warning sign of

Taking "Plan B" (emergency contraception) typically does not require a formal report to a doctor unless you experience specific complications . However, if you are looking to report a side effect or understand when to seek medical follow-up, here is the relevant information. 1. Reporting Side Effects or Adverse Events If you experience an adverse reaction after taking Plan B One-Step Plan B