Veins and arteries vary in size from one patient to another and from one side of the body to the other. Obtaining a blood sample from some people may be more difficult than from others.
Other risks associated with having blood drawn are slight but may include:
While HSV-1 and HSV-2 are usually only active from time to time, once they're in your system, they stay there for the rest of your life.
Ask your doctor what steps you need to take if you develop symptoms. Ask how to decrease your risk of spreading the virus to other people. Condoms may not fully protect against HSV.
Gupta R, Warren T, Wald A. Genital herpes. Lancet. 2007 Dec 22;370(9605):2127-37.
Corey L. Herpes simplex virus. In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 6th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2005:chap 132.
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