Interactions Between Birth Control Pills and Other Medications: What You Need to Know

Interactions between contraceptive pills and menstrual regulation medications?

I originally visited the obstetrics and gynecology department, where the doctor prescribed me three medications: 1.
Ediol F.C.
Tab (Estradiol 1mg, one tablet daily) 2.
Wanse S.C.
Tablets (one tablet in the morning and one in the evening) 3.
Norina (one tablet after each meal).
During my medication period, I had sexual intercourse.
Can I take additional pre-exposure prophylaxis (like Ella)? Will Ella interact with the medications mentioned above, or can I take them together without any issues? Thank you, doctor!

Luna, 20~29 year old female. Ask Date: 2022/03/11

Dr. Zhang Kunmin reply Obstetrics and Gynecology

Hello, the following medications may interact with oral contraceptives:
1.
Antibiotics (Penicillin, Cephalosporins, Erythromycin, Sulfonamides, Bactrim, Chloramphenicol) - Doxycycline can reduce the effectiveness of oral contraceptives, as it may decrease the gut flora that aids in absorption, thereby lowering the contraceptive effect.
2.
Sedatives (Barbiturates) - These can increase the metabolism of oral contraceptives, reducing their effectiveness.
3.
Antiepileptic drugs (Primidone, Phenytoin, Carbamazepine) - These also increase the metabolism of oral contraceptives, leading to decreased effectiveness.
4.
Antituberculosis medications (Rifampicin, Isoniazid).
5.
Antidiabetic medications (Rosiglitazone).
6.
Acetaminophen and Ascorbic acid (Vitamin C) - These may inhibit estrogen metabolism, potentially increasing serum levels and the occurrence of side effects.
7.
Oral contraceptives can affect the action of anticoagulants.
8.
Smoking - This can increase the metabolism of oral contraceptives, reducing their effectiveness.
If you need to take any of the above medications while on oral contraceptives, it is advisable to use additional contraceptive measures for seven days.

Additionally, long-term consumption of certain teas or herbs may have additive or subtractive effects on oral contraceptives.
Furthermore, medications should be taken with water and not with tea, coffee, or other beverages, as this may affect their efficacy.

You may continue your current regimen, but if you experience any unusual symptoms, please consult your healthcare provider.
Thank you! Wishing you safety and health.

Dr.
Zhang

Reply Date: 2022/03/11

More Info

When it comes to the interactions between birth control pills and other medications, it is crucial to understand how these drugs can affect each other and your overall health, especially if you are considering taking additional medications while on a birth control regimen.

In your case, you are currently taking three medications: Ediol (Estradiol 1mg), Wanse (a blood sugar medication), and Norina (a medication typically used for hormonal regulation). You are also considering taking another birth control pill, Aisilian (which I assume is a brand of oral contraceptive).
Firstly, it is essential to recognize that hormonal contraceptives, such as those containing estrogen and progestin (like Ediol and Norina), can interact with various medications. Some medications can decrease the effectiveness of birth control pills, leading to an increased risk of unintended pregnancy. For instance, certain antibiotics, anticonvulsants, and herbal supplements like St. John's Wort can interfere with the metabolism of hormonal contraceptives, potentially reducing their efficacy.

However, the medications you are currently taking (Ediol, Wanse, and Norina) do not typically have significant interactions with each other or with additional hormonal contraceptives like Aisilian. Estradiol, as a form of estrogen, is often used in combination with progestin to regulate menstrual cycles and can be safely used alongside other hormonal contraceptives.
That said, it is always advisable to consult with your healthcare provider before adding any new medication to your regimen, including another birth control pill. Your doctor can provide personalized advice based on your medical history, current medications, and overall health status. They can also help you understand the potential risks and benefits of taking multiple hormonal contraceptives simultaneously.

In terms of safety, taking Aisilian while on your current medications should not pose significant risks, but it is essential to monitor for any unusual side effects or changes in your menstrual cycle. If you experience any adverse effects or have concerns about the effectiveness of your birth control, do not hesitate to reach out to your healthcare provider for guidance.

In summary, while there may not be significant interactions between your current medications and Aisilian, it is crucial to consult with your healthcare provider before making any changes to your medication regimen. They can help ensure that you are using your medications safely and effectively, particularly when it comes to managing your reproductive health. Always prioritize open communication with your healthcare team to make informed decisions about your health.

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