Alcohol Abuse Warning Signs:
Odor of alcohol on breath
Constantly chewing on breath mints
Slurred speech
Staggering or stumbling walk
Marijuana Warning Signs:
Red, bloodshot eyes
Increased heart rate
Mouth and throat dry
Short-term memory impaired
Motor skills impaired
Odor of marijuana on clothes
User may exhibit a giddy state in early use, leading to a lethargic state in later stage
LSD Warning Signs:
Dilated pupils
Elevated temperature and blood pressure
Possible delusions, illusions
Altered sense of time and perception of one's self
PCP Warning Signs:
Dilated pupils
Rapid eyeball movement
Low doses create a floating feeling
High doses create mental confusion and agitation
Cocaine Warning Signs:
Dilated pupils
Initial use produces a sense of euphoria, feelings of power and control
Increased talkativeness
Sniffing, signs of having a cold
Weight loss
Anxiety and paranoia
Methamphetamine/Amphetamine:
Staying up all night
Talking fast
Lots of energy followed by excessive sleep
Moody, irritable, angry
Weight loss
Paranoia