Why do hand, foot, and mouth disease cause blisters?

Patient's question:

Doctor, my child is now 3 years old, female. She seems to be suffering from hand, foot, and mouth disease now. There are some red spots like things appearing again on her hands and feet. I want to know the symptoms of hand, foot, and mouth disease? There are blisters on the hands and feet.

Doctor's answer:

Hand, foot, and mouth disease is usually characterized by the recurrence of blisters, redness, or ulcers on the hands, feet, and mouth. It is caused by an intestinal virus. In some cases, severe hand, foot, and mouth disease may cause fever and require hospitalization, but mild cases may not necessarily result in fever. Therefore, if a baby contracts hand, foot, and mouth disease, parents must provide close care to prevent the condition from worsening. Additionally, the skin affected by hand, foot, and mouth disease cannot be contagious, so it is important to maintain cleanliness.

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