An allergy rash can be uncomfortable and lead to infections ... This type of eczema is far more common in children than adults. Atopic dermatitis affects up to 20% of children but only 1% to ...

You’re contagious at that point. After a few days, the telltale red full-body rash appears. It’s contagious for as long as 8 days, which allows the disease to spread far and wide. But that’s ...