Cannabis and its derivatives Flashcards
Cannabis - MOA
Binds to cannabinoid receptors in neurons, inhibition of adenylyl cyclase and inhibition of cAMP production.
Effects on ACh, DOP and SER.
Endogenous ligand for cannabinoid receptors
Anandamide
TCH can be detected in…
Fats
Signs of marijuana intoxication
Loquacity, rapid speech.
Euphoria, hallucinations (high doses), jocularity, sensory intensification.
Hypertension, tachycardia.
Conjunctivitis, dry mouth, increased appetite, tightness in chest.
Treatment of marijuana intoxification
Lorazepam for agitation.
Give reassurance and support vital functions.
Marijuana - signs of withdrawal
Irritability, mild agitation, sleep disturbances.
Nausea, stomach cramps.
Phases of marijuana intoxication
Stimulant phase: Euphoria, altered sense of time, increased visual acuity, difficulty in concentrating, impaired short-term memory.
Depressive phase: drowsiness, lethargy, increased appetite.
Marijuana - adverse effects
Decreased testosterone level. Low birth weight. Fetal malformations. Decreased ovulation. Reduced aggressiveness. Schizophrenia (adolescents) - controversial. Tachycardia
Cannabis - clinical use
Asthma, glaucoma, nausea, vomiting.
Peripheral effects of cannabis
Bronchodilation.
Decreased intraocular pressure.
Inhibition of nausea.
Synthetic cannabis derivatives and their indications
Dronabinol and nabilone - nausea from chemotherapy, stimulation of appetite in AIDS.