what causes fever blisters on tongue
Cold sores and fever blisters are caused by herpes simplex virus type 1 (HSV-1). This virus is passed from person to person by saliva (either directly, or by drinking from the same glass or cup) or by skin contact. Cold sores usually appear as clusters of tiny blisters on the lip. About 8 out of 10 people have the virus that causes cold sores.
The causes are varied but we will do our best to bring you the most common ones. This viral infection can be responsible for small white blisters on the tongue in children. The blisters due to foot and mouth may be in most of the mouth and two or three days later the child may run a high fever. Hand foot and mouth also affects adults, though in extremely rare cases.
Thermal burn of mouth or tongue A thermal burn of the mouth or tongue can cause pain, blisters, peeling skin, and temporary loss of taste. Tick bite A tick-related illness may cause a rash that expands out from the site of the bite, fever, chills, and more.