result. Inhalation or injection can cause a sudden increase in blood pressure that can result in stroke, high fever, or heart failure. Withdrawal symptoms include apathy, long periods of sleep, irritability, disorientations and depression. Amphetamines, methamphetamine, cocaine and crack are types of stimulants.Narcotics and hallucinogens are also psychoactive drugs. Narcotics have some medical use, but hallucinogens do not. When used illegally, both drugs can cause bodily harm.Narcotics act on the central and parasympathetic nervous systems to slow down body functions. Narcotics refers to drugs made from the opium poppy called opiates, some analgesics or medicines used to relieve pain. Narcotics are both natural and synthetic. They are powerful addictive drugs that cause physiological and psychological dependence. Withdrawal can result in loss of appetite, irritability, tremors, panic, cramps, nausea, chills and sweating. Some medicines are made from opium and are valuable. Both cause drowsiness and can result in physiological dependence. Drugs from opium can cause stupor or sleep and can result in coma or death. Heroin is a narcotic made from morphine and has no medical use. It is a strong central nervous system depressant. Hallucinogens or psychedelics alter mood, thought and the five senses. They became popular in the 1960’s. There are synthetic and naturally occurring substances. They have no medical use and are unpredictable in their effects on the individual. Users often mix these drugs with other drugs causing serious medical problems. PCP, phencyclidine or angel dust and LSD, Lysergic acid diethylamide are hallucinogens. Marijuana is the common name for the Cannabis plant. The effective psychoactive chemical in marijuana is delta-9-tetrahydrocannabinol or THC. Marijuana acts like hallucinogens, but it also has the same effects as stimulants and depressants. It lowers body temperature, but increases the heart rate and blo...
