MedDataToolRestart is a medication for women that helps reduce the chance of pregnancy after unprotected sex, especially if a contraceptive failed or if no birth control was used. It works by preventing the release of an egg from the ovary. You should take it as soon as possible, ideally within 72 hours (3 days) after unprotected sex, and if you vomit within 2 hours of taking it, you should contact a healthcare professional to see if you need to take another dose. A key warning is that you should not use it if you are already pregnant, as it will not be effective. Additionally, if you are taking efavirenz, a medication for HIV, it may reduce how well Restart works.
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Uses
- Reduce chance of pregnancy after unprotected sex.
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Dosage
Take as soon as possible within 72 hours after unprotected sex.
The sooner you take it, the better it will work.
If you vomit within 2 hours after taking the medication, call a healthcare professional.
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Side effects
Common
Menstrual changesTirednessBreast painNauseaHeadacheVomitingLower stomach painDizziness
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Warnings
⚠ Important warnings
- Do not use if you have ever had an allergic reaction to levonorgestrel.
- This product does not protect against HIV/AIDS or other STDs.
- Do not use if you are already pregnant.
- Ask a doctor before use if taking efavirenz, rifampin, or seizure medications.
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Drug interactions
- Efavirenzmay reduce effectivenessCaution
- Rifampinmay reduce effectivenessCaution
- Seizure medicationsmay reduce effectivenessCaution
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Answers pulled from the FDA label only.
Medical Disclaimer: This content is provided for informational and educational purposes only and is not intended as medical advice. Always consult a qualified healthcare provider before taking any medication.
Data Source: Publicly available drug labeling information from the U.S. Food and Drug Administration (FDA).
Data Source: Publicly available drug labeling information from the U.S. Food and Drug Administration (FDA).