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Should I See A Doctor After Taking An Emergency Contraceptive Pill?

An emergency contraceptive pill (ECP) is a safe and effective way to prevent an unintended pregnancy after unprotected sex or contraceptive failure. However, like all medications, it can potentially have some side effects. Most of these side effects are mild and temporary, but it's important to know when you might need to seek medical advice. This blog will guide you through the signs that indicate it's time to consult a doctor after taking an ECP.

Understanding Emergency Contraceptive Pill

An emergency contraceptive pill (ECP) works by delaying or preventing ovulation. The most commonly used ECP in India is the Levonorgestrel (LNG)-containing ECP. It is most effective when taken as soon as possible within 72 hours (3 days) after unprotected sex (when no contraceptive is used) or contraceptive failure (for example, when the condom breaks, slips, or leaks during sex). While this pill is generally well-tolerated, knowing when to seek medical help is crucial.

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Signs To Look Out For

Severe Abdominal Pain

It is common to experience cramps after using an ECP. These are usually mild and temporary. However, if you experience severe or persistent abdominal pain after taking an ECP, it could indicate an ectopic pregnancy, where the embryo implants outside the uterus. Ectopic pregnancies are rare but serious, and require immediate medical attention.

Heavy Or Prolonged Bleeding

While some changes in menstrual bleeding during your next period are normal, heavy bleeding (soaking through more than two pads or tampons per hour), or bleeding that lasts longer than a week, warrants a visit to the doctor.

Allergic Reactions

Though rare, allergic reactions to an ECP can occur. Symptoms include severe rash, itching, swelling, dizziness, and difficulty breathing. If you experience any of these symptoms, seek emergency medical care immediately.

Delayed Period

If your next period is delayed by more than 1 week of taking the ECP, it's advisable to take a pregnancy test and consult with a doctor.

Persistent Nausea Or Vomiting

While it is normal to feel some nausea after taking an ECP. If vomiting occurs within 2 hours after taking the pill, it could affect the pill's effectiveness. Consult a doctor for advice.

In general, if you experience any unusual symptoms or problems after taking an ECP, it is advisable to consult a doctor.

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Starting A Regular Contraceptive Method

If you find yourself using an ECP frequently, it is advisable to consult a doctor to discuss options of regular contraceptive methods which may better suit your health and preferences.

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While an emergency contraceptive pill (ECP) offers a critical safety net for preventing an unintended pregnancy, it's important to be vigilant about any adverse reactions that may occur. Recognizing when to seek medical advice ensures that your health and well-being remain a priority.


This blog, including its text, images, and infographics, are for educational purposes only and not a substitute for professional medical advice. For personalized advice, always consult a doctor.

Further Reading

For more details on this or related topics, refer to the papers listed in references below, the FAQs on the ECP page, or other blogs on the Learn page of our website


  • Paediatrics & Child Health. Emergency contraception. 2003.

  • Cleveland Clinic. Morning-After Pill. 2022.

  • Family Planning Division, Ministry of Health and Family Welfare, Government of India. Guidelines for Administration of Emergency Contraceptive Pills by Health Care Providers. 2008.

  • Levonorgestrel. 2024.


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