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Classification: Stimulant.

Street names: Coke, blow, candy, crack, C, charlie, rock, flake, nose candy, snow, bing, toot, 8 ball, and many more.

Method of use: Cocaine can be snorted, injected, smoked or rubbed on mucous membranes, such as the gums.

Short-term effects: These include dilated pupils; increased heart rate, body temperature and blood pressure; increased energy and euphoric feelings; and a temporary appetite decrease. Cocaine can also cause restlessness, irritability and anxiety. Although rare, sudden death can occur with the first use of cocaine, typically due to cardiac arrest or seizures leading to respiratory arrest.

Long-term effects: Complications associated with chronic cocaine use include persistent, inflamed runny nose, nosebleeds and difficulty swallowing; disturbances in heart rhythm and heart attacks; chest pain and respiratory failure; headaches, fever, seizures and strokes; abdominal pain and nausea; and death.

Dependence, tolerance, and withdrawal: Cocaine is highly addictive and there is no way to predict whether someone will develop a dependency. Continued use often leads to development of tolerance, where the individual must use increasingly larger amounts to achieve the desired feelings. High doses of cocaine may lead to tremors, paranoia, muscle twitches, erratic and violent behavior, irritability and restlessness. Withdrawal symptoms include extreme fatigue, agitation, strong cravings, anxiety, depression and increased appetite.

Other drugs with this classification: Amphetamine (Adderall, Dexedrine, uppers, bennies, crank); methamphetamine (ice, meth, crystal meth); methylphenidate (Ritalin); ephedrine and cathinone.