You cannot get HIV from kissing someone unless both parties have gaping mouth sores that may transfer blood. The most high-risk activities for HIV transmission are sex, anal sex, and sharing needles.

Blister-like cold sores form around the mouth and lips, either alone or several ... and human immunodeficiency virus (HIV). Oral cancer has a variety of causes. Oral cancer can be caused by ...

HIV treatment can reverse this damage. Regular brushing and flossing help prevent infection. Antibiotics and mouthwashes can also treat the infection. Cold sores are small, painful lesions on the lips ...

or through sores or cuts on their mouth, hands or body. Dry sex increases the risk of HIV transmission because friction can cause sores in the vaginal wall. If instead of having sexual intercourse ...