Final Flashcards
Steroid use
6% male, 2% female highschool students
Steroids 1930
Synthetic steroids increased use in sports
Hypogonadism
Testes dont produce enough testosterone fornormal growth
Medical use of steroids
Delayed puberty, impotence, wasting diseases like AIDS
Anabolic
Promote muscle growth. Subject to substantial first pass metabolism by liver
Steroid dose
Medical– 100mg/week
Abuse– 1g/week
Androgenic
Masculinizing effects
Priapsim
Painful erections
Gynecomastia
Breast enlargement when testosterone converted to estradiol
Steroid SA
No self-administration, not reinforcing
Steroid withdrawal
Fatigue, loss of appetite, depression, insomnia. Dignosable as drug dependant in DSM 4
Ma Huang
(Ephedra) Chinese herb from leafless desert horsetail. Pungent and yellow
Psychoactive ingredients in ephedra
Ephedrine
Pseudoephedrine
Legal ephedrine
Found in nasal decongestants and usd to make meth. Bronchodilators in asthma meds
Ma Huang uses
Fat burns from thermogenic effect, energy boosting, many ADRs
Khat
East Africa, used in tea or chew =ing leaves
Active ingredient in khat
Cathinone
Khat effects
Mild stimulation, contentment, excitation, anorexia
When was khat made illegal
1997 controlled drugs and substances act– produces psychological dependance
Methacathinone
Cat– synthesizd in soviet union for depression. Dopamine release in VTA causes euphoric effects similar to meth
Coca
South/ Central America. Leaves found with mummies and statues have cheek bulges
Cocaine
Alkaloid substance in coca
Coca leaves + alakaline
Increase buccal pH to aid absorption
Neimann
Isolated cocaine in 1955 and praised it alot
Freud
Noted formincation syndrome– white snakes
Vin Mariani
Popular wine containing 7mg/cocaine an ounce
John Pemperton
Made french wine cola, imitation of vin mariani, and then made coca cola in 1888
Cocaine products
Ax-ma-SYDE
Dr.Terchers
Ryno hay fever remedy
1900s drug attitudes
Major shift, concerned with minoroties
Labels of patent medicines must include ingredients
When was cocaine introduced to drug legislation
1911
1930s drug shift
From cocaine to amphetamines
When did cocaine resurge
1950s–80s
Cocaine production
Leaves put in chemical solvent to extract cocaine
Leaves removed, kerosene, acid and water added
Cocaine trapped by kerosene, floats to top
Coca Paste
Skimmed off, 60% purity when dry. Can be smoked
Cocaine Hydrochloride
Coca paste produced with oxidizing agents. 99% pure, can be injected or snorted
Crack
Cocaine treated with alkaline to free base from salt. Volatize at low enough temp to smoke. 75% purity
Smoking cocaine
Rapid intense effects for 10-20 min, must be repeatedly administered
Cocaine use
Lifetime 11%
Past year 2%
Highschool 3%
Amphetamines
Modifying ephedrine
When was the first amphet. made
1887
When was meth made
1919
Benzedrine inhalers for asthma and congestion
1932
Dexedrine
1937– for narcolepsy, weight loss and ADD
WW2 amphetamines
Given to soldiers to combat fatigue
Huge rise in Japan– first stimulant psychosis
1950s amphet.
Popular in canada and easily obtained from drug companies
When did you need a prescription for amphetm
1965
When was amphet. listed s a controlled substance
1971
Haight Ashbury
Alot of amphetamine injection in the 60s
Speedball
Mix of heroin and amphetamines. Doctors prescribed amphetamines to treat heroin addiction
Speed freak
Chronic use led to psychotic behaviour and aggression
Why did amphet. decline in the 70s
Return of the white goddess
Phenmatrazine
Atiobesity drug preludin (BAM) popular in the 70s
Crank
Powder amphet. for injection
Tina
Gay name for amphetamines
Amphetamine use
Lifetime 6% (2:1 male to female)
Past year 1%
10% undergrad for all amphetamines
Medical use of cocaine
Local anesthetic, profound vasoconstriction stops bleeding
Difference between coke and meth potency
Cocaine half life is 40 min, meth is 8 hours
Cocaethylene
Metabolite produced when alcohol and cociane are together. Increase cocaine half life and prolong action so risk of death increases by 25x. Stronger euphorgenic effects than cocaine
Neural effect of cocaethylene
Blocks reuptake but does not activate as much serotonin so dopamine is not reduced, and euphoria is not dampened
5 stages of robbins rating scale
Hyperactive Slow pattern Fast pattern In place Restricted Dyskinetic convulsive
Stereotypies
Repetitive movement of head, legs and body
How to stop stimulant behaviour
Block dopamine receptors or sever dopaminergic pathways
LD cocaine
Injection– 700-800mg
Ingestion– 1-2 g
Inhalation- 80 mg
LD meth
150mg
Effective dose is 15 mg
Amount of kids with ADD
5%
1/2 continue to adulthood
George Fredirick
Noted ADD in children in 1902
Charles Bradly
1937– discovered benzedrine releived ADD symptoms
Methylphenidate
Ritalin and concerta
Amphetamine add
dexedrine and adderall
Meth add
Desoxyn
ADD med use
10% in university
2% in highschool
Stimulant SA and CPP
Yes and yes. Very consistent
SA pattern of stimulants
Increase dose for acouple days until there are behavioural disruptions, period of no response due to exhaustion, high dose pattern resumes
Tolerance
Occurs for rewarding effects so dose must be increased to maintain desired effects
Acute depletion of dopamine
Stimulants taken in short intervals, neurons can’t synthesize enough dopamine to keep up with release