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Signs & Symptoms

Mouth sore in a young child

Mouth sore in a young child
(Image ©Mediscan)

Español: Signos y síntomas de la enfermedad de manos, pies y boca

Hand, foot, and mouth disease usually starts with a fever, poor appetite, a vague feeling of being unwell (malaise), and sore throat. One or 2 days after fever starts, painful sores usually develop in the mouth (herpangina). They begin as small red spots that blister and that often become ulcers. The sores are often in the back of the mouth. A skin rash develops over 1 to 2 days. The rash has flat or raised red spots, sometimes with blisters. The rash is usually on the palms of the hands and soles of the feet; it may also appear on the knees, elbows, buttocks or genital area.

Some people, especially young children, may get dehydrated if they are not able to swallow enough liquids because of painful mouth sores.

Persons infected with the viruses that cause hand, foot, and mouth disease may not get all the symptoms of the disease. They may only get mouth sores or skin rash.


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