In some cases excitability. Use only under medical supervision. Depression, lack of muscle and speech coordination. Oral Injecting Anally Opoids Heroin, Morphine, Codeine, Pethidine, Methadone, Opium Picture Lasts 4 - 24 hours. Use prescribed preparations only under medical supervision.
Withdrawal symptoms are anxiety, sweating, cramps, runny nose, vomiting, insomnia, pain.
Oral Injecting Smoking Snorting Cannabis Marijuana Picture Can last up to 5 hours. Can be hallucinogenic Long-term effects are still to be assessed. Psychiatric problems possible if schizophrenic condition already exists. Petrol sniffing effects can last up to 6 hours. Suffocation caused by plastic bags, choking on vomit.