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Hand-foot-and-mouth disease is an illness that causes sores or blisters in or on the mouth and on the hands, feet, and sometimes the buttocks and legs. They may be painful. The illness usually doesn't last more than a week or so.
Hand-foot-and-mouth disease is common in children but can also occur in adults. It can occur at any time of year but is most common in the summer and fall.
It is not the same as foot-and-mouth disease (sometimes called hoof-and-mouth disease) or mad cow disease. These diseases almost always occur in animals.
Hand-foot-and-mouth disease is caused by a virus called an enterovirus.
The virus spreads easily through coughing and sneezing. It can also spread through contact with infected stool or blister fluid. This can happen while changing diapers or by touching an object that a child with blisters or sores touched. Often the disease breaks out within a community.
It usually takes 3 to 6 days for a person to get symptoms of hand-foot-and-mouth disease after being exposed to the virus. This is called the incubation period.
At first your child may feel tired, get a sore throat, or have a fever. Then in a day or two, sores or blisters may appear in or on the mouth and on the hands, feet, and sometimes the buttocks. In some cases a skin rash may appear before the blisters do. The blisters may break open and crust over.
The sores and blisters usually go away in a week or so.
In some cases there are no symptoms, or they are very mild. Parents may get the disease from their children and not even realize it.
A doctor can tell if your child has hand-foot-and-mouth disease by the symptoms you describe and by looking at the sores and blisters. Tests usually aren't needed.
Hand-foot-and-mouth disease usually doesn't need treatment. But there are things you can do at home to help relieve your child's symptoms. Offer your child plenty of cool fluids to help with their sore throat. And try to avoid giving them acidic or spicy foods. Check with your doctor about pain and fever medicines.