Since the rash on hands and foot got better with antifungal cream, that's reassuring that it's probably a fungal rash that's gone, we call it tinea corporis and tinea pedis.
The small swollen hot arm spot needs to be checked to see if it's an infection.
It's concerning that it's getting more difficult to breathe, she should be seen by a doctor.
Dr. Enoch Choi, MD
Palo Alto, CA