Neuropathic pain is a chronic pain state that usually is accompanied by tissue injury. With neuropathic pain, the nerve fibers themselves may be damaged, dysfunctional or injured.
Pain can develop after injury to any level of the nervous system, the sympathetic nervous system may be involved. Nerve pain is often puzzling and frustrating for people as it seems to respond poorly to standard pain therapies.
Menstrual pain is caused by 28 days changes in the female reproductive system associated with the preparation of the uterus for pregnancy by lining the uterus with blood occur. If fertilization and implantation do not take place, the lining of the uterus is discharged during menstruation.
A migraine headache causes the sympathetic nervous system to respond with feelings of nausea, diarrhea, and vomiting. Inflammation of the arteries in the head, Bleeding on the surface of the brain and Brain tumor. If you have nighttime headaches or headaches that awaken you from sleep, see your doctor.
