Do Anti-Inflammatory Medications Affect Birth Control Effectiveness? - Pharmacology

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Does taking anti-inflammatory medication affect contraception?


I recently visited the doctor due to mouth sores, and the doctor prescribed anti-inflammatory medication along with some other drugs: SMILE oral paste, DEGITON F.C.
tablets, ZINC supplements, SERNVITA S.C.
tablets, and WEISUFU stomach medication.
I would like to know if these medications will affect the effectiveness of my birth control pills.
I have been taking the YAZ birth control pill for about six months.
If I take these medications four hours before my birth control pill, will it affect its efficacy?

10221, 20~29 year old female. Ask Date: 2019/06/29

Dr. Liao Huiling reply Pharmacology


There are no interactions between the medication you are using and the contraceptive, and it will not affect its effectiveness.

Reply Date: 2019/06/29

More Info


When it comes to the effectiveness of birth control methods, particularly hormonal contraceptives like the pill, there are several factors to consider regarding the interaction with other medications, including anti-inflammatory drugs.
First and foremost, the primary concern with any medication is whether it can affect the metabolism of the hormones in the contraceptive pill. Most common anti-inflammatory medications, such as ibuprofen or naproxen, do not have any known interactions that would diminish the effectiveness of hormonal contraceptives. This means that taking these medications for pain relief or inflammation should not impact your birth control's ability to prevent pregnancy.

However, certain medications can indeed interfere with hormonal contraceptives. For instance, some antibiotics, particularly rifampin and rifabutin, are known to reduce the effectiveness of birth control pills. Other medications, such as some anti-seizure drugs and herbal supplements like St. John's Wort, can also have a similar effect. It’s important to note that the medications you mentioned—SMILE oral paste, DEGITON (a zinc supplement), SERNVITA (a vitamin supplement), and WEISUFU (a gastric medication)—are not known to interact with hormonal contraceptives in a way that would compromise their effectiveness.

Regarding the timing of taking these medications in relation to your birth control pill, it is generally advisable to take your medications as prescribed. If you take your contraceptive pill and then take the other medications four hours later, this should not affect the contraceptive's effectiveness. The key is to ensure that you are taking your birth control pill consistently at the same time each day, as this maintains stable hormone levels in your body, which is crucial for preventing ovulation.

If you have any specific concerns about the medications you are taking or their potential interactions with your birth control, it is always a good idea to consult with your healthcare provider or pharmacist. They can provide personalized advice based on your medical history and the specific medications you are using.

In summary, most anti-inflammatory medications do not affect the effectiveness of birth control pills. The medications you mentioned are unlikely to interfere with your contraceptive method. Just ensure that you are taking your birth control pill consistently and at the same time each day for optimal effectiveness. If you have any doubts or experience any unusual symptoms, do not hesitate to reach out to your healthcare provider for further guidance.

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