Sudden withdrawal by heavily dependent users who are in poor health is occasionally fatal, although heroin withdrawal is considered much less dangerous than alcohol or barbiturate withdrawal. Heroin is a Schedule I drug. Heroin is purer now than it has ever been. The availability of low-priced, high quality heroin continues to increase. Purity makes snorting and inhaling an alternative to injecting without compromising the intensity of the high.
Sellers cut and package heroin for injectors and for inhalers differently.
Cocaine HCL, Ecgonine HCL, Benzoylecgonine. Cocaine can be snorted or dissolved in water and injected. Crack can be smoked. Short-term effects of cocaine include constricted peripheral blood vessels, dilated pupils, increased temperature, heart rate, blood pressure, insomnia, loss of appetite, feelings of restlessness, irritability, and anxiety. Duration of cocaine s immediate euphoric effects, which include energy, reduced fatigue, and mental clarity, depends on how it is used.