Hi red rash over the chest.back and stomach can be infective eczematous dermatitis
..it can be due to dry skin
caused due to chicken pox
.it cannot be hives because hives cannot be crusted.
It can be treated by atarax 25 mg at night.antibiotic twice daily and application of moisteriser all over the body and application of diprovate
g ointment over the lesions can cure the condition.