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.

As the infection worsens and spreads, the rash can become more visible ... Meningitis can result from viral, bacterial, or fungal infections. Some forms of meningitis can be dangerous or fatal ...

Medically reviewed by Daniel Combs, MD A yeast diaper rash is a common condition that affects babies and other people who ...

It can become a vicious cycle and lead to other problems, including bacterial and yeast infections. : baby's coo Jennifer Shu, MD, FAAP So how do you battle diaper rash? change diapers as soon as ...