Stimulants:
drugs whose effect on the central nervous system causes a rise in heart rate, blood pressure, and muscular tension
caffeine, cocaine, nicotine, amphetamines (speed), meth
positive uses: increased confidence, increased awareness and attentiveness, improves mood, relieves stress, sense of euphoria
negative uses: decreases reaction time, decreases appetite, insomnia, temporarily increased heart rate, paranoia
withdrawal symptoms: fatigue, depression, suicidal thoughts, irritability, severe headaches
in severe cases: loss of libido, face/body picking, hallucinations, death
Depressants:
drugs that slow down the nervous system
alcohol, barbiturates, rohypnol (roofies)
positive uses: reduces anxiety, sense of wellbeing, increased impulsiveness, loss of inhibition
negative uses: poor judgment, may act aggressive, suicidal thoughts, dizziness, muscle relaxation, death
withdrawal symptoms: weakness, hangover, vomiting, depression, seizures, death
Narcotics:
drugs that increase relaxation and relieve pain and anxiety
heroin, morphine (derived from the opium plant)
codeine (found in couch medicines and painkillers)
fentanyl (used to treat severe pain like cancer)
methadone (a “step-down” drug for heroin addicts)
oxycontin and vicodin (used for moderate to severe pain)
positive uses: reduces anxiety, reduces pain, heroin gives a 3-5 hour rush, sense of well-being and peacefulness
negative uses: apathy increases, difficulty concentrating, slowed speech, decreased physical activity, drooling, itching, nausea, death
withdrawal symptoms: vomiting, anxiety, tremors, panic, chills, sweating
Hallucinogens:
a drug that is capable of producing hallucinations or changes to the perceptual process
cannabis, LSD, ecstasy
PCP (animal tranquilizer, embalming fluid)
Peyote (derived from a cactus plant and used in religious rituals by some Native Americans Tribes in the Southwest)
positive uses: sense of euphoria, relaxed inhibitions, increased appetite, feelings of peace (ecstasy)
negative uses: disoriented behavior, vision and depth distortion
withdrawal symptoms: insomnia, hyperactivity, anxiety, depression