Hand and foot disease??

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Anyone dealt with this before? If so, what happened? My 2 year old daughter has a rash on the bottom of her foot and she has a fever. Doctor thinks it might be hand and foot disease. But now my daughter says the rash itches. Is that normal for the sores to itch?? How long did it take to clear??

UPDATE: is it normal to spread? She now has a small rash all over her back. The sores on her feet look like they are healing, and she hasn’t had a fever in over 24 hours.