Drug names: heroin, morphine, codeine, hydrocodone, hydromorphone, oxycodone, oxymorphone
What to look for: glassine envelopes, needles and syringes, caps or spoons, tourniquets, needle marks
Physical symptoms: insensitivity to pain, euphoria, sedation, nausea, vomiting, itchiness, watery eyes, running nose
Dangers: lethargy, weight loss, hepatitis, slow and shallow breathing, possible death
Urine: 1 to 3 days
Hair: up to 90 days (depending on hair length)
Oral-fluid: 24 to 36 hours
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