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7 Tips to Avoid Fainting From Shots or Blood Tests

Fainting after vaccines or blood tests is usually a result of pain or anxiety.

Marisa Taylor KarasKaren Hovav, MD, FAAP
Written by Marisa Taylor Karas | Reviewed by Karen Hovav, MD, FAAP
Updated on January 15, 2026
Reviewed by Karen Hovav, MD, FAAP | January 15, 2026

Getting a vaccine or having their blood drawn can be uncomfortable or nerve wracking. For some, it may be scary enough to cause them to pass out. In this video, learn tips to reduce the risk of fainting when getting a vaccine or blood test.

References

Centers of Disease Control and Prevention. (2020). Fainting (syncope) after vaccination.

Children’s Hospital of Philadelphia. (2012). Technically speaking: Preventing fainting and associated injuries after vaccination.

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Why trust our experts?

Marisa Taylor Karas is a freelance journalist based in Brooklyn who has covered health, gender, and technology for 15 years. She previously worked at The Wall Street Journal, The Guardian, and Al Jazeera America, among other publications, and also served as managing editor of the Mellon Foundation in New York City.
Karen Hovav, MD, FAAP, has more than 15 years of experience as an attending pediatrician. She has worked in a large academic center in an urban city, a small community hospital, a private practice, and an urgent care clinic.

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