This text is for informational purposes only. Please consult a doctor or pharmacist before using any medication.
Read the information leaflet that comes with the medication.
Most people who use Plan B do not experience any negative side effects. Some of the more common side effects that have been reported include:
- Nausea
- Some irregular bleeding until the next period. If the period is more than 5 days late or is unusually light
or unusually heavy, consult with a doctor as soon as possible.
- Lower abdominal pain
- Tiredness
- Headache
- Vomiting
- Tender breasts
- Diarrhoea
- Feeling dizzy right after taking this pill.
Not all side effects are listed here. If these or other unlisted symptoms persist or worsen, consult a healthcare provider or pharmacist.
Use of Plan B may be necessary to prevent pregnancy when there has been sexual intercourse without any kind of birth control, when there was some failure of control failure such as a broken condom, forgotten birth control pill, or a missed dose of a birth control shot. It may also be necessary after nonconsensual sexual intercourse (rape).