Opiates: What you need to know.

Opioid analgesics comprised of a large group of substances that control pain by depressing the central nervous system.
EFFECTS
An acute high dose used by abusers or addicts can cause depressed coordination, smaller pupils, disrupted decision, decreased respiration, hypothermia, and coma.
INDICATORS
Small pupils, sweating, nausea, vomiting.
RISKS
Continued users of opiates can cause depression from not being able to think clearly and a sense of feeling lost (especially if its combined with alcohol), loss of cognitive function, arthritis.
DETECTION
Morphine is excreted unmetabolized and is the marker metabolic product of opiates. Morphine and morphine glucuronide is detectable in urine for several days after opiates dose.