Health Information Library

Symptoms related to reduced blood volume that occur when standing up.

Paralysis including the trunk, pelvic area, and both arms and legs.

An often noncancerous tumor of the cells in the tissue that covers the nerves.

A genetic disorder in which a person has 3 copies of a chromosome instead of 2.

A sudden drop in heart rate and blood pressure, often in reaction to a stressful trigger.

Inability to remember events for a period of time, often due to brain injury, illness, or the effects of drugs or alcohol.

Complete or partial loss of muscle function.

Persistent problems falling or staying asleep or both.

Condition in which fluid collects in the lungs' air sacs, depriving organs of oxygen.

A disturbance in behavior or mental acuity during or after alcohol consumption.

Inflammation and small tears in one or both corners of the mouth.

Difficulty with skilled movements even when a person has the ability and desire to do them.

An abnormal connection between arteries and veins, usually in the brain or spine.

A nervous system disorder that causes rhythmic shaking.

A seizure that involves a loss of consciousness and violent muscle contractions.

A serious bacterial infection that affects the brain and spinal cord.

A weakness and rapid fatigue of muscles under voluntary control.

A disorder of the nervous system that affects movement, often including tremor.

A buildup of fluid between the tissues that line the lungs and the chest.

A serious lung infection caused by the fungus Pneumocystis jiroveci.