My thighs rub together now all of a sudden i keep having itchy red bumps that appear. who do i need to see?

Chafing: Chafing is skin irritation that occurs where skin rubs against skin, clothing, or other material. When skin becomes irritated because of something rubbing, there are several things you can try, including: avoid coarse clothing. Wearing 100% cotton fabric against your skin may help. Eliminate friction against your skin by using appropriate clothing for the activity you are involved in. See you derm.