How to Properly Use Emergency Contraceptive Pills After Vomiting - Obstetrics and Gynecology

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When it comes to using emergency contraceptive pills (ECPs) after vomiting, it’s important to understand how these medications work and what steps to take if you experience vomiting shortly after taking them. ECPs, such as Plan B (levonorgestrel) or Ella (ulipristal acetate), are designed to prevent pregnancy after unprotected intercourse or contraceptive failure. They are most effective when taken as soon as possible after the event, ideally within 72 hours for Plan B and up to 120 hours for Ella.

In your case, you took an ECP at 11:00 PM on July 4th and vomited approximately 20 minutes later. The key factor here is whether the vomiting occurred within two hours of taking the pill. If you vomited within that timeframe, it is likely that your body did not absorb the medication properly, and you may need to take another dose. Since you mentioned that you took another pill from the next day’s supply, this is a reasonable approach to ensure that you have adequate medication in your system.

Here’s how to proceed:
1. Continue with the Current Dose: Since you took a second pill after vomiting, you should continue with that dose as your primary method of emergency contraception. You do not need to start a new pack unless advised by a healthcare professional.

2. Timing for the Next Dose: If you took the second pill on July 5th, you should follow the instructions provided with the medication regarding timing. For Plan B, typically, you take one pill as soon as possible after unprotected intercourse and, if necessary, a second dose 12 hours later. For Ella, you only take one pill, and there’s no need for a second dose.
3. Monitor for Side Effects: After taking the ECPs, be aware of potential side effects, which can include nausea, fatigue, headache, dizziness, and changes in your menstrual cycle. If you experience severe side effects or if your period is more than a week late, consider taking a pregnancy test.

4. Consult a Healthcare Provider: If you have any concerns about the effectiveness of the ECPs or if you experience unusual symptoms, it’s wise to consult with a healthcare provider. They can provide personalized advice based on your medical history and current situation.

5. Follow-Up: If your menstrual cycle does not return to normal within a few weeks, or if you have any doubts about whether you might be pregnant, seek medical advice.
In summary, since you vomited shortly after taking the first ECP, taking a second pill was a prudent decision. Continue to monitor your body’s response and consult a healthcare provider if you have any concerns or if your menstrual cycle is delayed. Emergency contraception is a safe and effective way to prevent pregnancy when used correctly, and understanding how to use it properly can help alleviate anxiety in these situations.