In-depth

Chronic pelvic pain in women

Chronic pelvic pain is pain in your pelvic region — the area below your bellybutton and between your hips — that lasts six months or longer.

Complex regional pain syndrome

Complex regional pain syndrome is a chronic, painful disease that typically affects an arm or leg that was recently injured or infected.

Cyclic vomiting syndrome

Cyclic vomiting syndrome can last for hours or days and shares many triggers with migraines.

Dystonia

Dystonia causes involuntary, sustained muscle contractions, resulting in repetitive movements, twisting and abnormal posture.

Headaches in children

Children of all ages experience headaches, but the causes aren't all the same. Here's how to help your child.

Insomnia

Sleepless nights? Insomnia includes difficulty going to sleep, staying asleep or going back to sleep after you awaken. Insomnia may be temporary or chronic.

Migraine

A migraine isn't an ordinary headache. In addition to severe head pain, it can cause nausea, vomiting, and extreme sensitivity to light and sound.

Peripheral neuropathy

Peripheral neuropathy symptoms can range from annoying to disabling. Learn how to deal with the burning, numbness and tingling.

Prostatitis

Prostatitis, inflammation of the prostate gland, can cause significant male pelvic pain and other symptoms.

Rebound headaches

Rebound headaches — Is your pain medication causing more headaches than it cures?

Solitary rectal ulcer syndrome

Solitary rectal ulcer syndrome, a rare condition, may be caused by chronic constipation. Dietary changes may help mild cases.

Trigeminal neuralgia

Trigeminal neuralgia is a very painful condition of a large nerve that provides sensation to most of your face. Treatment involves medications and, sometimes, surgery.

Jan. 26, 2013