Autonomic Neuropathy :
Autonomic neuropathy occurs when the nerve that controls the automatic body functions gets damaged. It affects major functions like body temperature, blood pressure, heart rate, digestion, urination, and bowel movements. Symptoms include diarrhea, constipation, nausea, throwing up digested food, trouble swallowing, heartburn, dizziness, sudden drops in blood pressure, speedy heart rate, high blood pressure, difficulty peeing, urinary tract infections, night sweats, trouble getting an erection, dry vagina, low sex drive and problems having an orgasm. Shortness of breath, difficulty driving, and adjusting between bright and dark rooms. It may be caused by diabetes, lupus erythematosus, Sjogren’s syndrome, HIV, Lyme disease, Parkinson’s disease, spinal cord injury, heavy alcohol use, multiple sclerosis, and botulism.