Can You Take Cold Medicine After Emergency Contraceptive Pills? - Obstetrics and Gynecology

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Can I take cold medicine after taking the emergency contraceptive pill?


I had a fever and throat inflammation the day before yesterday, so the doctor prescribed me these medications.
After being intimate with my boyfriend today, I took the emergency contraceptive pill (Plan B).
Can I still take cold medicine? How long should I wait? Will there be any interactions? The medications I was prescribed are: Ponstan 500mg, Strocain 10mg, Gaster 20mg, Broain, Primalan 5mg, Curam 1000mg, Scanol 500mg, and Kenalong.

zhāngyú, 10~19 year old female. Ask Date: 2017/05/21

Dr. Huang Jianzhong reply Obstetrics and Gynecology


You can take cold medicine without needing to wait a specific amount of time; it will not have any adverse effects.

Reply Date: 2017/05/21

More Info


When considering the use of cold medicine after taking emergency contraceptive pills (ECPs), it's crucial to understand how these medications interact and their potential effects on your body. Emergency contraceptive pills, such as those containing levonorgestrel or ulipristal acetate, are designed to prevent pregnancy after unprotected intercourse. They work primarily by delaying ovulation and may also affect the uterine lining to prevent implantation.

In your case, you mentioned taking several medications, including Ponstan (mefenamic acid), Strocain (a local anesthetic), Gaster (likely a proton pump inhibitor), Broain (an antihistamine), Primalan (an antihistamine), Curam (amoxicillin and clavulanate), Scanol (an anti-inflammatory), and Kenalong (a corticosteroid). The interaction between these medications and ECPs is a valid concern.

1. Cold Medicine and ECPs: Generally, taking cold medicine after ECPs should not significantly affect the efficacy of the emergency contraceptive. Most cold medications, especially those that are antihistamines or contain non-steroidal anti-inflammatory drugs (NSAIDs) like Ponstan, do not interfere with the hormonal mechanisms of ECPs. However, it is always wise to consult with a healthcare provider or pharmacist regarding specific medications, as individual responses can vary.

2. Timing: There is no strict waiting period required between taking ECPs and cold medicine. However, if you are taking multiple medications, it is advisable to space them out to minimize potential side effects and ensure that your body can metabolize each drug effectively. For instance, if you take ECPs, you might wait a few hours before taking cold medicine, but this is not a strict requirement.

3. Potential Side Effects: Be mindful of the side effects of the medications you are taking. For example, NSAIDs like Ponstan can cause gastrointestinal discomfort, and antihistamines can cause drowsiness. If you experience any unusual symptoms after taking these medications together, it is important to seek medical advice.

4. Consulting Healthcare Providers: Since you are taking multiple medications for different conditions (fever, throat inflammation), it is essential to keep your healthcare provider informed about all the medications you are taking. They can provide personalized advice based on your health history and current condition.

5. Monitoring Your Health: After taking ECPs, monitor your body for any unusual symptoms or changes in your menstrual cycle. If you experience significant side effects from either the cold medicine or the ECPs, or if your symptoms persist, consult your healthcare provider for further evaluation.

In summary, while it is generally safe to take cold medicine after emergency contraceptive pills, it is essential to be aware of the specific medications you are using and their potential interactions. Always consult with a healthcare professional if you have concerns about medication interactions or if you experience any adverse effects. Your health and safety should always come first, and a healthcare provider can offer the best guidance tailored to your individual situation.

Similar Q&A

Can You Take Cold Medicine After Emergency Contraceptive Pills?

I had a fever and throat inflammation the day before yesterday, so the doctor prescribed me these medications. After being intimate with my boyfriend today, I took the emergency contraceptive pill (Plan B). Can I still take cold medicine? How long should I wait? Will there be any...


Dr. Huang Jianzhong reply Obstetrics and Gynecology
You can take cold medicine without needing to wait a certain period of time; it will not have any adverse effects.

[Read More] Can You Take Cold Medicine After Emergency Contraceptive Pills?


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Dr. Huang Jianzhong reply Obstetrics and Gynecology
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Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, it generally does not have an impact. If you are concerned, you may wait for 30 minutes. Wishing you good health.

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Dr. Lin Wenbin reply Obstetrics and Gynecology
Please consult a physician for an in-person examination.

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