| SYMPTOMS
- Changes in appearance and behavior that affect relationships and work performance
- In children, abrupt changes in mood or attitude, poor school performance, temper flareups, or increased secrecy
- Extreme energy, weight loss, dilated pupils, insomnia and trembling may indicate abuse of stimulants or 'uppers'
- Lethargy, slurred or confused speech, lack of balance, constricted pupils, or excessive sleep may point to abuse of sedatives or 'downers'
- Mood swings, red eyes, dilated pupils, slowed time sense and reflexes, dizziness, and lethargy may indicate marijuana use
- Ulcerated nostrils are typical of cocaine sniffing; a runny nose or sniffles are typical of smoking crack cocaine; needle marks on the arms may indicate intravenous cocaine abuse
- Weight loss, lethargy, mood swings, excessive sweating, slurred speech, constricted pupils, and poor appetite suggest opiate abuse
- Hallucinations, dilated pupils, trembling, and sweating indicate abuse of psychedelic drugs
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