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.
Consider other causes of armpit rash. These may include allergies to food and medication, poison ivy or poison oak, insect bites, or an autoimmune disorder such as psoriasis. Viruses such as flu or chicken pox can also cause rashes. Consult your physician if you suspect any of these as reasons for underarm inflammation.