In-depth

Acute lymphocytic leukemia

Acute myelogenous leukemia (AML)

Anthrax

Ataxia

Ataxia describes lack of muscle coordination while performing voluntary movements. A sign of an underlying condition, ataxia can affect any part of your body.

Brain aneurysm

Coma

Cough headaches

Creutzfeldt-Jakob disease

Dysarthria

Encephalitis

Encephalitis is inflammation of the brain usually caused by a viral infection. Severe cases can cause brain damage, even death.

Exercise headaches

Febrile seizure

Guillain-Barre syndrome

Headaches in children

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

Legionnaires' disease

Legionnaires' disease, a severe form of pneumonia, is caused by bacteria that can live in water in air conditioning systems, showers and spas.

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.

Naegleria infection

Neck pain

Paraneoplastic syndromes of the nervous system

Pseudotumor cerebri

Pseudotumor cerebri — Comprehensive overview covers symptoms, causes, treatment of increased pressure inside the skull.

Reye's syndrome

Sex headaches

Thunderclap headaches

Transverse myelitis

Transverse myelitis — inflammation of the insulating material that covers nerve cells in your spine (myelin) — causes pain, muscle weakness and other problems.

Dec. 06, 2014