![]() What are the long-term effects of using it?Ĭhronic use of amphetamines can lead to serious physical and mental health problems. Injecting any drug can cause infections from used needles or impurities in the drug sharing needles with others can transmit hepatitis or HIV.Amphetamines may cause bizarre or repetitive behaviour, paranoia and hallucinations. ![]() Amphetamines are linked to risky and violent behaviours, and increased injury and sexually transmitted disease.Overdose can cause seizures, coma and death due to burst blood vessels in the brain, heart failure or very high fever.This increases the risk for dependence on these other drugs. People who use amphetamines often also use other drugs, such as alcohol, cannabis, or benzodiazepines, to help them relax and sleep. If drug use is stopped, the person usually goes through withdrawal, also called “the crash.” Symptoms of withdrawal can include fatigue, restless sleep, irritability, intense hunger, depression, suicidal behaviour and fits of violence. Regular use of amphetamines, especially when the drug is smoked or injected, can quickly cause addiction.Īddiction means that cravings and compulsive use of the drug become very important to a person. ![]() This means that the person needs to take more and more of the drug to get the desired effect. Regular non-medical use of amphetamines can lead to tolerance. Methylphenidate is less likely to cause addiction than other amphetamines. However, these drugs can cause addiction if they are misused. When taken as prescribed, amphetamines and related drugs do not cause addiction. Some people may use amphetamines repeatedly over a period of several days to try to stay high. With some types of amphetamines, the stimulant effects can last up to 12 hours. The initial rush after injecting or smoking lasts only a minute. Larger doses may cause fever, sweating, headache, nausea, blurred vision, very fast or irregular heartbeat, tremors, loss of co-ordination and collapse. In children who are hyperactive, however, amphetamines and related drugs, in the correct doses, can have a calming effect.Īmphetamines reduce hunger and increase breathing, heart rate and blood pressure. The effects of amphetamines are often different from person to person. When amphetamines are injected or smoked, they reach the brain quickly and produce a “rush,” or surge of euphoria, immediately.
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