It usually appears as a fine crystal-like powder, although it can come in larger pieces which are called rocks. Cocaine is usually sniffed or snorted into the nose, although some users inject it or smoke a form of the drug called freebase. The effects of the drug begin within minutes and peak within 15-20 minutes. These effects include dilated pupils, increase in blood pressure, hearet rate, breathing rate, and body temperature. The dangers of cocaine use vary, depending on how the drug is taken, the dose, and the individual.
Some regular users report feelings of restlessness, irritability, anxiety and sleeplessness.
In some people even low doses of cocaine may create psychological problems. People who use high doses of cocaine over a long period of time may become paranoid or experience what is called a cocaine psychosis. This may include hallucinations of touch, sight, taste, and smell. The presence of these drugs should be confirmed. Urine Preferred Vol.