Typically, lesions specific to SCLE do not itch and may look similar to that of psoriasis. Rashes associated with SCLE may occur alone or co-exist with SLE. Other conditions commonly seen in ...
Other causes of an armpit rash include a yeast infection, psoriasis, or seborrheic dermatitis. Rashes are pesky patches of irritated skin that can affect any part of your body, including your armpits.