Serotonin is a neurotransmitter that regulates many functions, including mood, appetite, and sensory perception.

A drug used with heroin addicts as a substitute for heroin. Methodone is used during detoxification to ease the discomfort experienced associated...

A powerful, often uncontrollable desire for drugs or alcohol.

Inflammation of the pancreas. Alcohol abuse is the most common cause of chronic pancreatitis and a principal cause of acute pancreatitis.

In common usage, any strategy or activity designed to assist a drug user who has become abstinent from returning to drug use. Relapse prevention...

Rapid heartbeat (generally more than 100 beats per minute).

The legal obligation of a health care provider to notify law-enforcement officials or the potential victim when a patient presents a serious...

A severe form of alcohol withdrawal characterized by confusion, auditory or visual hallucinations, and severe shakiness. Commonly called...

A state of mental confusion characterized by difficulty in responding to stimuli and an absence of orientation to place and time. May be...

The ability of a patient to make an informed choice.

Popular term used to describe the process of opiate withdrawal that is not treated with medication. During withdrawal, the person's skin is...

Unsteady walking or staggering, caused by an inability to coordinate the muscles.

Absence of pleasure from acts that would ordinarily be enjoyable.

A disturbance in thinking that is often accompanied by delusions and visual or auditory hallucinations. An acute psychosis may be caused by...

The aggregate of withdrawal signs and symptoms that occur shortly after a person who is physically dependent on a drug stops taking it. The...