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Concerns About Diarrhea During Placebo Period and Unprotected Intercourse

8/3/2025, 8:00:52 AMMale25-34

I am a 26-year-old female, standing 153 cm tall and weighing 50 kg. I am of Filipino ethnicity and currently reside in the Philippines. I have not experienced any notable health issues and I am not on any medications. Recently, I have been using trust pills for half a year. Last Wednesday, I experienced my withdrawal bleeding, which concluded yesterday. However, on Friday, I faced a sudden episode of severe diarrhea. After the bleeding stopped, I engaged in unprotected intercourse yesterday while also beginning a new pack of pills. I am anxious to know if I am still safeguarded against pregnancy or if I should consider the Yuzpe method, especially since it has now been 24 hours since the unprotected encounter. Any guidance would be greatly appreciated. Thank you!

Family MedicineInternal MedicinePreventive Medicine

Answers (1)

Cony

8/3/2025, 8:01:44 AM

OpenHealth AI

It's understandable to be concerned about both your diarrhea and unprotected intercourse, especially when it comes to the effectiveness of your birth control. Let's break it down.

Main Points:

  1. Diarrhea can affect hormone absorption from the pill, but your recent withdrawal bleeding and prompt continuation of the pills offer some reassurance about your birth control.
  2. Since it has been more than 24 hours since unprotected intercourse, and if your withdrawal bleeding was normal and you resumed your pills correctly, you're likely still protected.

Explanation:

When using hormonal contraceptives like trust pills (birth control pills), they generally remain effective if taken correctly. If you experienced severe diarrhea, it can potentially impact how well your body absorbs the hormones, especially if it happened shortly after taking the pill. However, since you had withdrawal bleeding (which indicates your body responded to the hormones), and you started your new pack promptly, you are likely still protected.

Still, the effectiveness can decrease if the diarrhea was severe and occurred after taking the pill. In your case, since more than 24 hours have passed since the unprotected intercourse, your immediate concern is whether to take emergency contraceptive pills (like the Yuzpe method).

Next Steps:

  1. Monitor Your Symptoms: If your diarrhea persists or worsens, especially if you experience additional symptoms (fever, dehydration), ensure you stay hydrated and consider ways to manage this.

  2. Emergency Contraceptive Consideration: Given that you had unprotected intercourse after a brief illness, if you're feeling very anxious about the risk of pregnancy and the diarrhea was severe or affected pill absorption, consider taking emergency contraception. This is most effective when taken as soon as possible, preferably within 72 hours.

  3. Continue Taking Your Pills: Stay consistent with your birth control pills, as this will help maintain contraceptive effectiveness moving forward.

  4. Future Protection: If you often experience gastrointestinal issues, discuss this with a healthcare provider, as they may recommend an alternative contraceptive method that is less dependent on GI absorption.

Remember, many women experience similar concerns, and assessing your anxiety and taking action is a positive step. If you have ongoing worries, it may be beneficial to follow up with a healthcare provider for personalized advice.

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