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.
Perfumes, deodorants and drying soaps can all cause an allergic reaction, and even shaving under your arms can cause a rash [source: Mayo Clinic ]. Rashes come in all shapes and sizes -- some appear as raised patches of blotchy dry skin, others as itchy red bumps or pimples.n underarm rash isn't usually the result of poor hygiene -- in fact, a rash may occur as the result of a product you use to stay clean and odor-free.