Drug misuse Flashcards
Which drugs are classed as stimulants?
- Cocaine [charlie]
- Amphetamines [speed/whizz/billy]
Notable info about cocaine:
- Most potent natural stimulant
- Extracted from leaves of coca plant
- First isolated in 1880s
- Formerly used in eye nose and throat surgery
How is cocaine used?
- Snorted
- Coca leaves chewed or brewed
- Cocaine hydrochloride is snorted or injected
- Cocaine freebase or crack cocaine is smoked
What are the rates of taking effect for cocaine?
- depends on dose and rate of entry to the brain
- smoking - almost immediate
- injecting - 15 to 30 secs
- snorting - 3 to 5 mins
- the effects of crack smoking are very intense but quickly over ( 15 mins)
What are the effects of cocaine?
- stimulant and euphoriant
- increased alertness and energy
- increased confidence and impaired judgement
- lessens appetite and desire for sleep
- damage to nose and airways
- convulsions with respiratory failure
- cardiac arrhythmia’s and MI
- hypertension and CVA
- toxic confusion
- paranoid psychosis

What are the withdrawal effects of cocaine?
- Depression
- Irritability
- Agitation
- Craving
- Hyperphagia
- Hypersomnia
What is the general chemical for speed? How is it taken? How much does it generally cost? What are the effects?
- Generally amphetamine sulphate
- Sniffed, swallowed or injected
- Powder costs £10/g: ‘ice’ costs about £25/g
- Effects similar to cocaine but longer lasting
- Toxic confusion occasionally with convulsions and death
- Amphetamine psychosis in heavy chronic use
Give some examples of opiates?
- Opium
- Morphine
- Heroin (diamorphine)
- Methadone
- Codeine and dihydrocodeine
Is opium still smoked today?
- Opium is still smoked today
- The trade in opium was only regulated from the Hague Convention in 1911
- Previously regulation was resisted by UK
Notable info about heroin?
- First synthesised from morphine in 1874
- Addictive potential unrecognised for years
- Available as diamorphine or as diamorphine hydrochloride
- May be presented as powder or as an almost tar like substance
- Purity varies from 1%- 98% with average of 35% in US
Nicknames for heroin?
How is it taken?
Which is safest way to use heroin?
- Also known as H ,gear, smack or brown
- Taken by
- Snorting
- Smoking(chasing the dragon)
- Injection
- Smoking is safest, injecting the most dangerous method of use
What are some of the physiological effects of heroin?
- Analgesia
- Drowsiness and sleep
- Mood change
- Resp. depression
- Cough reflex depression
- Decreased sympathetic outflow
- Pupillary constriction
- Sensitization of labrynth
- Lowered body temp
- Constipation
- Resp arrest with pulse
- Pinpoint pupils unreactive to light
- Bradycardia and hypotension
What is the high from opiates?
Intense but transient feeling of pleasure
- “A rush”
- Almost orgasmic
- Physical and emotional anaesthetic
What are the side effects of opiates?
- First time - nausea/vomiting and headache
- Medium term
- phlebitis
- Anorexia
- Constipation
- Longer term
- tolerance
- Withdrawal
- Social and health problems
What are the symptoms of opiate withdrawal syndrome?
- craving
- insomnia
- yawning
- muscle pain and cramps
- increased salivary, nasal and lacrimal secretions
- dilated pupils
- piloerection (hence ‘cold turkey’)
What are the benefits of methadone maintenance?
- decriminalises drug use
- allows normalisation of lifestyle
- reduces iv misuse
- leakage on to the illicit market
What is the chemical name for MDMA?
3,4-methylenedioxymethamphetamine
How is MDMA taken and what does it cost?
almost always used orally ; £10-£15 /tab.
What is the effect of MDMA?
- relaxed euphoric state without hallucinations
- half of all ‘ecstasy tabs.’ contain no MDMA
- instead nil active , LSD, amphetamine , ketamine
- likened to mixture of LSD and amphetamine
- euphoria followed by feeling of calm
- increased sociability
- inability to distinguish between what is and isn’t desirable
- effects after 20 mins lasting 2-4 hours
What are side effects of MDMA?
- Nausea and dry mouth
- increased blood pressure and temperature
- in clubs users risk dehydration
- large doses can cause anxiety and panic
- drug induced psychosis
- ? liver and brain cell damage
What are the effects to serotonin cells that has been proven in monkeys but not humans?

Notable info about cannabis?
- most commonly used illicit drug
- tetrahydrocannabinol (THC) is the psychoactive agent
- presented as marijuana , hashish (cannabis resin) or as hash oil (produced by extracting cannabinoids from plant material with a solvent)
- skunk (sensimilla) has high THC content
What is the cost of cannabis and how is it usually taken?
- Usually sold by the ounce
- £12-15 per eighth/oz for resin to £25 per eighth for marijuana
- can be eaten but usually smoked ( joints spliffs or blunts)
- Production becoming more professional - THC content from 1% in’74 to 5% in ‘94 ; THC content of sensimilla 17%
What are the psychological effects of cannabis?
- relaxing or stimulating, euphoriant , increases sociability and hilarity, increases appetite, changes in time perception, synaesthesia
- in higher dose - anxiety , panic , persecutory ideation, hallucinatory activity