Rigid muscles, deadened actions Causes illusions; hallucinations <br />Symptoms of intoxication Overdose may cause more intense <br />without smell of alcohol trips; possible death <br />Physical Symptoms Uses and Effects <br />Amphetamines <br />Increased heart and breathing Used for weight control; to treat <br />rates narcolepsy; attention deficit disorder <br />High blood pressure; high fever Highly addictive <br />Dilated pupils Effect lasts 2-4 hours <br />Decreased appetite; dry mouth Injected or taken orally <br />Sweating; headache; blurred Increased alertness, pulse, and blood <br />vision; dizziness pressure; insomnia; loss of appetite; <br />euphoria; excitation <br />Unable to sleep Overdose may cause agitation; <br />convulsions; possible death <br />Alcohol <br />Sloppiness Limited medicinal use; over the <br />counter sleep aids; cough syrups <br />Slurred speech Addictive; may be genetic <br />Trouble walking Moody, emotionally unstable <br />Has the "shakes" Accident-prone <br />Blackouts Withdrawn; may be violent; overly <br />talkative <br />Hangover (headaches) <br />Smell of alcohol <br />