Ulnar Nerve Palsy. Your ulnar nerve runs from your shoulder to your little finger. If you experience damage to the ulnar nerve that causes sensation loss, this is known as ulnar nerve palsy. The condition can affect your ability to make fine movements and can cause your hand to appear claw-like.Surgery can correct ulnar nerve palsy, if needed.lnar Nerve Palsy. Your ulnar nerve runs from your shoulder to your little finger. If you experience damage to the ulnar nerve that causes sensation loss, this is known as ulnar nerve palsy. The condition can affect your ability to make fine movements and can cause your hand to appear claw-like.
Psoriasis is a common skin condition that can cause a scaly, itchy, red rash to form along the scalp, elbows, and joints. Seborrheic eczema is a type of eczema that most often affects the scalp and causes redness, scaly patches, and dandruff. It can also occur on the ears, mouth, or nose.
Contact dermatitis (skin inflammation) is caused by an adverse reaction to something that touches your skin, including chemicals found in a detergent, soap, or fragrance. You may develop a rash under your arm when wearing a shirt that was washed with a particular detergent or treated with a chemical. Metal, such as jewelry, can also cause underarm rash. Other forms of contact dermatitis include exposure to certain plants, such as poison oak or ivy, an animal bite, or an insect sting. Lyme disease is caused by tick bite, which can first display as a circle with a bullâs-eye pattern, then progress to a rash.