This increases the risk of infection with HIV or other STDs. Other risk taking behaviours such as driving or swimming while intoxicated are also common. Most deaths due to speed are as a result of accidents while under the effects. Higher doses of amphetamines are also dangerous. They can produce sweating, headaches, pale skin, restlessness, dizziness, shaking, repetitive movement, irregular breathing, very rapid irregular heartbeat, hallucinations and delusions.
Some people become hostile and aggressive.
Often fear and anxiety over new coming down from an intense high can make these feelings worse. You know yourself better than anyone else, so be aware of how the drugs affect you and keep yourself safe - both mentally and physically. Use of any drugs can lead to problems with emotions and in our social lives. The greatest effect is often on relationships with family and friends. This can include paranoid behaviour and becoming difficult to live with.