Norgestrel Side Effects

Medically reviewed by Drugs.com. Last updated on Feb 24, 2025.

Applies to norgestrel: oral tablet.

Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat.

Call your doctor at once or seek emergency medical help if you have severe pain in your lower stomach (especially on only one side). This could be a sign of a ectopic pregnancy.

Call your doctor at once if you have:

• unusual or unexpected vaginal bleeding;

• unusual changes in your menstrual periods such as heavy bleeding or a period lasting more than 8 days;

• change in the pattern or severity of migraine headaches; or

• liver problems--loss of appetite, nausea, vomiting, stomach pain (upper right side), tiredness, itching, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Common side effects may include:

• stomach pain, bloating or stomach cramps;

• increase in appetite;

• nausea;

• dizziness;

• headache; or

• menstrual bleeding.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

See also:

Frequently asked questions

• How do I use Opill birth control?
• When will Opill be available?

Further information

Norgestrel side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer