Dr. Chris Adigun, dermatologist, answers listeners' questions about summer skin problems like sunburn, bug bites or poison ivy.
A remedy that keeps skin dry and discourages yeast overgrowth can help control a rash under the breasts.
One reader found that applying Aquaphor before getting in the water is a great way to prevent a swimming pool rash.
Doctors report that few poison ivy remedies help very much. Diphenhydramine can make the rash itchier and even OTC cortisone is not effective.