A. A. A. Complex regional pain syndrome (CRPS), also called reflex sympathetic dystrophy syndrome, is a chronic pain condition in which high levels of nerve impulses are sent to an affected site. Experts believe that CRPS occurs as a result of dysfunction in the central or peripheral nervous systems.
Symptoms of Shingles on scalp. Nerve Pain. The first symptom of shingles outbreak is pain occurring along the path of the nerve in which varicella-zoster virus has become reactivated. The pain varies in intensity between individuals from mild to very intense.
When reactivated, the virus causes intense pain and tingling on one side of your body, along with a blistering rash, headache, joint pain, fever and chills. Shingles can affect nerves in your face, producing droopy eyelids, stiff facial muscles, hearing loss, and vision or taste dysfunction. Call your doctor at the first sign of shingles â he may prescribe antiviral and strong anti-inflammatory medications to relieve your symptoms.