HFMD 6 month old

Hi, my daughter has the HFMD rash all over her body. I went to urgent care and they said it’s viral so no antibiotics for my daughter. My daughter has just been crying uncontrollably and I try everything and she still cries. I don’t know what to do. How do I stop my daughter from crying so much? How Can I help her? I’m running on 1 hour of sleep. I’ve tried everything but nothing works.