An analytical laboratory run by a competent chemist is needed for positive identification. When PCP is made in illegal laboratories, the noxious chemicals used in the process are almost never removed from the final product. These impurities cause PCP to be a liquid at room temperature. The PCP available on the street is most often a mixture of PCP and industrial chemicals. Physical Signs of PCP Usage At low to moderate doses, physiological effects include a slight increase in breathing rate and a more pronounced rise in blood pressure and pulse rate.
Respiration becomes shallows, and flushing and profuse sweating occur.
Generalized numbness of the extremities and muscular incoordination may also occur. Psychological effects include distinct changes in body awareness, similar to those associated with alcohol intoxication. Use of PCP among adolescents may interfere with hormones ralated to normal growth and development as well as with the learning process. At high doses, there is a drop in blood pressure, pulse rate, and respiration. This may be accompanied by nausea, vomiting, blurred vision, flicking up and down of the eyes, drooling, loss of balance, and dizziness.