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What to Do About Missed or Skipped Birth Control Pills

Table of Contents


Topic Overview

Birth control methods have high rates of effectiveness if they are used consistently. Follow your health professional's instructions on what to do if you miss or skip your birth control pills. Some general guidelines are listed here.

Combination (estrogen plus progestin) birth control pills

Always read the pill label for specific instructions. Or call your doctor. How likely pregnancy is depends on a few things, such as when you missed the pill, how many pills you missed, what kind of pills you take, and whether you had sex.

Here are some basic guidelines:

Emergency contraception

If you had unprotected sex during the time that you missed taking pills, you can use emergency contraception to help prevent pregnancy.

Illness

Vomiting and diarrhea can decrease the effectiveness of birth control pills. It is recommended that another method of birth control be used for 7 days after you have had the stomach flu, even if you did not miss any pills.

Talk to your doctor if you are taking medicines for epilepsy (phenytoin and barbiturates) or tuberculosis (rifampin). These medicines may interfere with how well your birth control pills work.

Progestin-only pills

Progestin-only pills must be taken at the same time each day. If you take a pill more than 3 hours late, take it as soon as you remember even if that means you will take 2 pills in one day. Use another method of birth control for the next 48 hours to prevent pregnancy. Consider using emergency contraception if you have had sex in the past 3 to 5 days.


Credits for What to Do About Missed or Skipped Birth Control Pills

Current as of: October 8, 2020

Author: Healthwise Staff
Medical Review:
Sarah Marshall MD - Family Medicine
Adam Husney MD - Family Medicine
Kathleen Romito MD - Family Medicine
Rebecca Sue Uranga


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