Add Yahoo as a preferred source to see more of our stories on Google. Nothing's worse than getting a rash in a sensitive area. Not only is it physically uncomfortable, it's also not fun to talk about.

Some causes of underarm rash include infection, allergic reaction, and inflammation. Itchy, inflammatory, bacterial, or fungal rashes in your armpit can be mild or severe, short-lived or chronic.

Yeast diaper rash is caused by an overgrowth of yeast called Candida albicans in the diaper area. Use topical antifungal medications like Lotrimin (clotrimazole) to treat yeast diaper rash. Yeast ...