Herpes simplex virus type 1 symptoms (cold sores)

Herpes simplex virus type 1 (HSV-1) can cause groups of small blisters that usually appear on the lip and around or inside the mouth. The groups of blisters are commonly called cold sores. They may be itchy or painful.

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Medical review

Adam Husney MDKevin C. Kiley MDMartin J. Gabica MDSarah A. Marshall MD

Last Updated

09/11/2018

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Herpes simplex virus type 1 symptoms (cold sores)

Location of cold sores near mouth, with close-up of blisters

Herpes simplex virus type 1 (HSV-1) can cause groups of small blisters that usually appear on the lip and around or inside the mouth. The groups of blisters are commonly called cold sores. They may be itchy or painful.

Current as ofSeptember 11, 2018

Author: Healthwise Staff
Sarah A. Marshall, MD – Family Medicine
Adam Husney, MD – Family Medicine
Martin J. Gabica, MD – Family Medicine
Kevin C. Kiley, MD – Obstetrics and Gynecology

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

Share this article

Article Info

Author

Medical review

Adam Husney MDKevin C. Kiley MDMartin J. Gabica MDSarah A. Marshall MD

Last Updated

09/11/2018

Legal

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.