Eczema Armpit. Sometimes an armpit rash is caused by a specific germ. Erythrasma is a rash that develops after infection with the corynebacterium minutissimum bacteria. Erythrasma is common in the armpits, under the breasts, in groin folds, and between the toes. The rash is reddish and/or tan.
To reduce sweat rashes and cool heat rashes in the armpits, definitely give this red eczema rash treatment a try. There are many different causes of armpit rashes, including chafing and eczema. Some rashes are harmless and go away in time, but others may signify a more serious condition. In this article, we. The different types of armpit rash you may experience include: Atopic dermatitis is eczema, and it’s a condition most people would have acquired as a child. Eczema rashes are usually red, itchy, and prone to crusting. Eczema — or atopic dermatitis — is another common cause of irritation on the armpit. This skin condition is usually diagnosed in childhood and typically affects the armpits and the backs of the knees.