Methamphetamine is a powerful and highly addictive stimulant drug that affects the central nervous system. It is a derivative of amphetamine and is commonly known by street names such as meth, ice, or crystal meth.
Although amphetamines have limited therapeutic applications in controlled medical settings, methamphetamine is primarily associated with illicit use due to its strong euphoric and stimulant effects. Its impact on the brain and body can be severe, particularly with repeated or high-dose use.
Methamphetamine Info
Effects of Methamphetamine
Methamphetamine increases the levels of dopamine and norepinephrine in the brain. These neurotransmitters are responsible for mood, alertness, and energy.
Acute use may cause:
- Euphoria
- Increased alertness
- Reduced appetite
- Heightened energy
- Faster breathing
- Rapid or irregular heartbeat
- Increased blood pressure
- Elevated body temperature
The intensity of these effects depends on dosage, frequency of use, and individual health factors.
Side Effects of Methamphetamine
Methamphetamine use can lead to a range of short-term and long-term side effects, including:
- Increased distractibility
- Nausea
- Dry mouth and bad breath
- Dilated pupils
- Tremors
- Muscle twitching
- Memory problems
- Aggressive or violent behaviour
- Mood disturbances
- Severe dental issues
- Significant weight loss
- Skin sores caused by excessive scratching
- Rapid or irregular heart rate
- High blood pressure
Long-term use significantly increases the risk of both physical and psychological harm.
Indicators of Methamphetamine Use
Common behavioural and physical indicators may include:
- Rapid heart rate
- Excessive sweating
- Increased talkativeness
- Restlessness
- Hyperactivity
These signs may vary depending on dosage and frequency of use.
Risks and Long-Term Harm
Methamphetamine is considered neurotoxic and can damage dopamine and serotonin neurons in the brain. Repeated use may result in:
- Anxiety and paranoia
- Psychotic behaviour
- Cardiac arrhythmias
- Structural and functional changes in the brain
- Long-term cognitive impairment
Some neurological changes associated with prolonged methamphetamine use may be irreversible.
Methamphetamine Withdrawal
Withdrawal symptoms can begin within 24 hours of the last dose and may vary in severity.
Common withdrawal symptoms include:
- Depression and anxiety
- Intense drug cravings
- Irritability
- Poor concentration
- Restlessness
- Psychosis
- Vivid or unpleasant dreams
- Fatigue
- Sleep disturbances
- Increased appetite
- Slowed movement
Symptoms typically last between 7 and 10 days, though psychological effects may persist longer in some individuals.
How Long Does Methamphetamine Stay in the System?
Methamphetamine is excreted in the urine as amphetamine and other metabolites. Approximately 10 to 40 percent of the drug may be excreted unchanged.