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What could cause excessive salivation?
Diana Post, M.D., is an assistant professor of medicine at Harvard Medical School and a member of the Department of Medicine at Brigham and Women's Hospital.
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Saliva contains many of the same antibodies as blood, meaning that noninvasive medical tests that use saliva rather than blood as the testing material may become more common.
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A cold sore is a fluid-filled blister that usually appears at the edge of the lips. Cold sores are caused by a herpes simplex virus infection.A cold sore is a fluid-filled, painful blister that is usually on or around the lips.
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