An itchy neck can also occur due to an allergic reaction called contact dermatitis. This condition causes an itchy rash, swelling, hives (blisters), and skin redness that typically develops one to ...

“Heat rash is most common in hot, humid conditions,” Dr Babamiri explains. “It often affects areas of the body where skin folds or clothing can cause friction, such as the neck, armpits and ...

Other causes include ... to an increase in sebaceous gland activity, with a rash in a “cape-like” pattern, on the shoulders, back, and neck. Bacterial folliculitis is the most common form ...

Dark underarms may simply have to do with pigmentation and levels of melanin in the skin. But sometimes armpit discoloration ...

If it reactivates, the virus travels down your nerve pathways and causes shingles symptoms. Shingles rashes typically develop on the chest, neck, forehead, and lower back, but they can also appear ...