Here's what to look for:
Euphoria, confidence, increased heart rate, increased blood pressure, dilated pupils, constricted blood vessels.
Rapid breathing, lung irritation, decreased appetite, heart arrythmias, techcardia, heart attack, reduced interest in sex.
Grandiosity, paranoia, anxiety, suspiciousness, agitation, fatigue, excessive weight loss.
EVIDENCE OF USE
Excessive absenteeism, money borrowing, possession of cocaine paraphernalia, hyper alertness.
Source: New Start Treatment Center