Accidentally Taking Two Birth Control Pills: What You Need to Know - Obstetrics and Gynecology

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Thinking that I missed a dose of the birth control pill... I took two pills within one day?


Hello Doctor, I am currently taking oral contraceptives.
I just started a new pack and I took the third pill today.
My alarm went off at noon, and in the rush, I thought I hadn't taken my pill yet, so I ended up taking another one.
This happened to me last month as well because I have a poor memory and often forget if I've taken my medication, which leads to accidentally taking an extra pill.
I haven't had sexual intercourse this month.
Will this affect the contraceptive effectiveness? If I were to take a dozen pills before having intercourse, would that impact contraception? I plan to take my pills regularly from now on.
I'm really worried about missing a dose, but I'm still concerned after accidentally taking an extra pill.
Please help me with this, thank you! 🙏🏼

Niming, 20~29 year old female. Ask Date: 2020/03/02

Dr. Huang Yuande reply Obstetrics and Gynecology


Thank you for your question.
If you forget to take the pill for one day, you can take it the next day and it will still be effective in preventing pregnancy.
However, if you forget for more than two days, it will no longer be effective.

Reply Date: 2020/03/02

More Info


Accidentally taking two birth control pills in one day can be a concerning situation, but it is important to understand how this affects your contraceptive effectiveness and what steps you should take moving forward.

First and foremost, if you accidentally take two pills in one day, the immediate concern is the potential for side effects rather than a significant reduction in contraceptive effectiveness. Most combination oral contraceptives contain hormones that prevent ovulation, and taking an extra pill does not typically compromise the effectiveness of the birth control method. However, it can lead to side effects such as nausea, vomiting, or spotting. If you experience severe nausea or vomiting after taking the extra pill, it may be advisable to consult with your healthcare provider.

In your case, since you mentioned that you have not engaged in sexual intercourse this month, the risk of unintended pregnancy is minimal. The primary concern with taking extra pills is not about the contraceptive effectiveness but rather about managing your health and comfort. If you find yourself frequently forgetting whether you have taken your pill, consider setting a daily reminder on your phone or using a pill organizer to help keep track.

If you accidentally take multiple pills over a period of time (for example, ten or more), it is still unlikely to significantly affect the effectiveness of your birth control. However, it is crucial to follow the instructions provided with your specific birth control pill. Most manufacturers recommend that if you miss a pill, you should take it as soon as you remember. If you miss two or more pills, the guidance may vary depending on the type of pill you are using (combination vs. progestin-only). In such cases, it is advisable to consult the instructions or your healthcare provider for specific guidance.

To ensure you maintain effective contraception, it is essential to take your pills consistently at the same time each day. If you find that you are frequently forgetting to take your pill, you might want to discuss alternative contraceptive methods with your healthcare provider. Options such as the contraceptive implant, IUD, or the patch may provide a more reliable solution if daily adherence is a challenge for you.

In summary, taking two birth control pills accidentally is generally not a cause for alarm regarding contraceptive effectiveness, especially if you have not had sexual intercourse. However, it is essential to manage your pill-taking routine to avoid potential side effects and ensure consistent contraceptive protection. If you have further concerns or experience any unusual symptoms, do not hesitate to reach out to your healthcare provider for personalized advice and support.

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