An amphetamine is a drug that is a stimulant to the central nervous system. Amphetamines are colorless and may be inhaled, injected, or swallowed. Short-term effects include increased talkativeness, increased aggressiveness, increased breathing rate, increased heart rate, increased blood pressure, reduced appetite, dilated pupils, visual hallucinations, auditory hallucinations, compulsive, repetitive action. Other effects of large does can include fever and sweating, dry mouth, headache, paleness, blurred vision, dizziness, irregular heartbeat, tremors, loss of coordination, collapse. Possible long-term effects include tolerance and dependence, violence and aggression, malnutrition due to suppression of appetite.
Amphetamines are addictive.
Demerol, methadone, dilaudid, talwin, percocet, percodan, darvon, darvocet, vicodin. Heroin is a highly addictive drug derived from morphine, which is obtained from the opium poppy. Heroin is a white to dark brown powder or tar-like substance. Heroin can be used in a variety of ways, depending on user preference and the purity of the drug. The short-term effects of heroin abuse appear soon after a single dose and disappear in a few hours.