Plan B File
: This can be a warning sign of an ectopic pregnancy (a pregnancy outside the uterus), which is a medical emergency.
, you can report it through the following official channels: Plan B
: Such as hives, difficulty breathing, or swelling of the face/throat. 3. Follow-Up for Effectiveness Plan B One-Step (1.5 mg levonorgestrel) Information - FDA : This can be a warning sign of
: Call 1-800-330-1271 (Mon–Fri, 9 AM – 5 PM ET) to report side effects directly to the manufacturer. which is a medical emergency.