Amphetamines Flashcards
Are amphetamines CNS stimulants or depressants?
Stimulants
Amphetamines usually prescribed by doctors to treat…
ADHD, narcolepsy, parkinson
Famous form of amphetamines is…
Crystal methamphetamine (ICE)
What is Speed?
Powder form of methamphetamine
Poor man’s cocaine is another name for…
ICE
How can amphetamines be taken?
Smoked
Ingested
Snorted
Injected
Rank the routes from quickest to slowest time taken to feel effects (with time)
Injection (15-30s)
Smoking (around 40s)
Snorting (3-5min)
Ingesting (15-20min)
What is the MOA of ICE?
1) Its an indirect agonist of the monoamines (dopamine, noradrenaljne,serotonin)
2) So the mechanisms include:
- block monoamine reuptake
- increase metabolism of MAO
-inhibit vascular storage
What effects does ice have on systems?
Neurological: Intracranial hemmorage, delerium, pupillary mydriasis, choreiform movement, tremor, seizures
Psychiatric: anxiety, euphoria/depression, repetative behavior,suicidal/homicidal thoughts, hallucination, delusion of power
ENT: Meth mouth=xerostomia, bruxism(teeth grinding),tooth decay
Cardio: Tachycardia, hypertension, dilated CM, aortic dissection, MI, dysrhythmia, ischemic ECG changes
Renal: AKI secondary to rhamdomyolysis
GI: nausea, vomitting, diarrhea
What is the treatment of amphetamine?
Physical strains (cuffs)
Chemical strains (sedatives like diazepam)
Gastric lavage by alkaloid antiode or activated charcoal
IV crystalloids to washout toxin in urine
If there is end organ damage then IV phentolamine, nitroprusside & nitroglycerin
Supportive care (antibiotics for infection)
Withdrawal symptoms of amphetamine include….
Headache,dizziness,blurred vision
Hallucination,confusion,irritation
Feeling down, paranoia
Difficulty sleeping, exhausion
What are the signs seen on amphetamine overdose?
-Recent needle puncture marks
-Irregular liner scars and skin infection in cubital fossa, anterior aspect of the arm, medial aspect of ankle, inguinal area, neck)
-open sores caused by scratching due to ‘Crank bugs’ under skin
-Meth mouth
Bony prominence and prominent rib cage
-Severe weight loss
What are the 7 stages of ‘Meth experience’?
The rush: euphoria
The high (the shoulder): delusion of power and argumentative
The Binge: uncontrolled use of drug to maintaine the high and the rush
Tweaking: Can no longer achieve binge
The crash: Body forced to shutdown cuz overwhelming effect of drug
Meth hangover: After crash were user is starved, dehydrated, physically mentally and emotionally exhausted so uses meth again cuz addiction
Withdrawal