Can You Get the AZ Vaccine While on Birth Control Pills? - Obstetrics and Gynecology

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Emergency contraceptive pills and the AZ vaccine?


Hello, I recently came across information that suggests it is possible to receive the AZ vaccine while taking contraceptive pills.
Can you clarify whether it is safe to get vaccinated while on pre-exposure contraceptive pills, or should I stop taking them before getting vaccinated? If stopping is necessary, how many days should I pause the medication before getting the vaccine?

Ruby, 20~29 year old female. Ask Date: 2021/05/28

Dr. Huang Yiwen reply Obstetrics and Gynecology


Hello Miss Ruby: Generally speaking, taking contraceptive pills along with receiving the AZ vaccine may slightly increase the risk of blood clots.
However, due to the differences in physiology, individuals of East Asian descent are less likely to experience the side effects of blood clots compared to those of Western descent, so there is no need to worry too much.
You can receive the vaccine at any time while taking contraceptive pills.

Reply Date: 2021/05/28

More Info


Yes, you can receive the AstraZeneca (AZ) vaccine while on birth control pills. There is no medical evidence to suggest that hormonal contraceptives, such as birth control pills, interfere with the efficacy of the vaccine or increase the risk of adverse effects. Therefore, it is not necessary to stop taking your birth control pills before getting vaccinated.

Hormonal contraceptives work by regulating hormones in the body to prevent ovulation and manage menstrual cycles. The AZ vaccine, on the other hand, works by stimulating the immune system to recognize and fight the SARS-CoV-2 virus, which causes COVID-19. These two mechanisms operate independently, and there is no interaction between the hormones in birth control pills and the components of the vaccine.

It's important to note that some individuals may have concerns about the potential for blood clots associated with both the AZ vaccine and certain types of hormonal contraceptives. While there have been reports of rare blood clotting events following the administration of the AZ vaccine, these occurrences are extremely rare and are not directly linked to the use of birth control pills. The benefits of vaccination in preventing COVID-19 far outweigh the risks, especially considering the serious complications that can arise from the virus itself.

If you are considering getting vaccinated while on birth control pills, here are a few additional points to keep in mind:
1. Consult Your Healthcare Provider: If you have specific health concerns or a history of blood clotting disorders, it is always a good idea to discuss your vaccination plans with your healthcare provider. They can provide personalized advice based on your medical history.

2. No Need to Pause Birth Control: There is no requirement to pause or stop taking birth control pills before receiving the AZ vaccine. You can continue your contraceptive regimen as usual.

3. Monitor for Side Effects: After receiving the vaccine, it is advisable to monitor for any side effects, which can include mild symptoms such as soreness at the injection site, fatigue, headache, or mild fever. These are generally short-lived and resolve within a few days.

4. Stay Informed: Keep yourself updated with reliable information regarding COVID-19 vaccines and contraceptive methods. Health organizations such as the Centers for Disease Control and Prevention (CDC) and the World Health Organization (WHO) provide valuable resources.

5. Follow Up on Vaccination: If you have any concerns about the vaccine or your health after receiving it, do not hesitate to reach out to your healthcare provider for guidance.

In summary, you can safely receive the AZ vaccine while on birth control pills without any need to stop your medication. The vaccine will not affect the efficacy of your contraceptive method, and you can continue to protect yourself from unintended pregnancies while also safeguarding your health against COVID-19.

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