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disorder that is characterized by destructive pattern of using substance that leads to significant problems or distress |
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A disease that is destructive pattern of drug abuse that leads to significant problems involving dependence. A DISEASE DAMMIT |
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physical need for a specific agent that results in withdrawal when the agent is taken away |
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psychoactive, disinhibition, enhanced sensory perception, affect coordination memory pain pain relieving, controls nausea, appetite stimulant, decrease ocular pressure NO TOLERANCE |
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inhaled - rapid access to brain cross BBB oral - 30-90 minutes effects dose dependent lipid soluble blood test for 3-10 days |
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cannabinoid receptors - GPCR CB1 and CB2 |
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morphine like properties. analgesia, miosis, respiratory depression, nausea & vomiting cough depression, gastric depression |
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morphine Pharmacokinetics |
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IV readily absorbed metabolized in liver to make active and inactive stuff low lipid solubility |
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mu (most pain relief), delta, k located in CNS and periphery 60% homology among receptor subtypes |
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Coma pinpoint pupils respiratory depression |
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Naloxone antagonist works in seconds |
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Methadone synthetic opioid half life 15-40 hours controlled withdrawal |
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buprenorphine/naloxone(suboxone) |
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buprenorphine - partial agonist naloxone - full antagonist decreased potential for abuse fewer withdrawal symptoms |
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stimulate CNS blocks reuptake of serotonin, dopamine, NE metabolized in liver |
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Hallucinogenic, odorless, tasteless, pupil dilation, reduce appetite, wakefulness |
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completely absorbed after oral ingestion stimulation peaks at 2 hours goes to all organs BBB almost completely metabolized |
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inhibits activation of serotonin receptors tolerance buildup is rapid and reversible |
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psychostimulant potent neurotoxin prolonged post-withdrawal syndrome increase alertness, concentration, energy. causes dopamine release, blocks dopamine reuptake |
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stimulant and psychodelic, increased energy, euphoria, will permanantly damage serotonin neurons |
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