Medically reviewed by Casey Gallagher, MD Key Takeaways Armpit rashes can be caused by allergic reactions to deodorants or shaving creams.Keeping the area clean and avoiding shaving helps treat mild ...

Intertrigo, a rash that forms between skin folds, can cause redness and itching. Here are seven ways to prevent and treat intertrigo without a prescription.

An armpit rash is often caused by irritation from sweat, friction, soap, or dryness. It could also be an allergic reaction to fragrances or propylene glycol (a deodorant ingredient). Other causes of ...

As warm weather ramps up across much of the U.S., it's time to start taking precautions to protect yourself during long days spent in the sun. That means taking shade when possible, wearing sunscreen ...

A 42-year-old man presents to the emergency department (ED) for evaluation of a severe rash that mostly affects his face, torso, and armpits, the latter of which is the most severely affected area.