Symptoms
- Many small water blisters inside the mouth on the gums, tongue and lips. They quickly break open and become small mouth ulcers (sores)
- The gums are very red and can bleed easily.
- Ulcers also occur on the outer lips or skin around the mouth.
- The ulcers occur equally on both sides of the mouth and lips.
- The ulcers cause pain that interferes with feeding and swallowing. Poor fluid intake can lead to dehydration.
- Lymph nodes in the neck are usually swollen and tender.
- Fever present and may last 5 days.
- Usually occurs age 1 to 3.
Cause
- Herpes Simplex Virus type 1. The first infection with HSV1 can be severe
- It usually follows contact with someone who has active cold sores (fever blisters). Often they have kissed the child.
Prevention of Spread to Others
- Herpes virus is easily spread to other children who have not had it.
- The virus is mainly found in the saliva and the sores.
- Avoid sharing drinking glasses or eating utensils. Avoid kissing.
- Also avoid sharing toys with other children. Reason: most young children put toys in their mouth.
- The mouth sores are contagious for about 7 days.