Prescription drug misuse Flashcards

1
Q

How is PDM defined? (3 points)

A
  • use without Rx for the experience/feeling the drugs cause
  • use without Rx to get high, create an altered state or for reasons other than the Rxer intended
  • misuse or non-medical use of a drug for something other than intended medical/psychiatric purpose
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2
Q

What is overuse?

A

-therapeutic drug is being used at higher doses or for a longer duration than prescribed or directed

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3
Q

What is intentional misuse? (2 points)

A
  • where pharmaceutical drugs are used, often in large doses for their intoxicating effects
  • or to enhance intoxicating effects of other substances
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4
Q

What is diversion?

A

-prescribed pharmaceutical drugs are transferred from original user to others through on-sale via illegal markets for profit

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5
Q

What are the characteristics of “intentional abusers”? (4 points)

A
  • archetypal drug seeker
  • seeks drug for own use for the high or selling on illicit market
  • known addicts or drug abusers
  • considered to be devious
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6
Q

What are the characteristics of “unintentional overusers”? (5 points)

A
  • secondary group
  • initially sought meds for legitimate medical condition
  • misuse/abuse developed over time
  • older patients, benzo users
  • less underhand
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7
Q

What are PDM patients like in reality? (2 points)

A
  • can’t categorise them into binary class

- drug misuse is a spectrum of safe, hazardous, harmful and dependent increments

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8
Q

Why is PDM a problem? (4 points)

A
  • PDM is a problem in western world and many developing nations
  • linked ti social and health harms
  • a lot of research data is available internationally
  • OTC misuse is less of an issue but still concerning
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9
Q

Is PDM a big problem?

A

-in some regions, people abuse licitly produced Rx meds in quantities similar to or greater than the quantities of illicitly manufactured heroin, cocaine, amphetamine and opioids that are abused (in USA)

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10
Q

How does PDM apply to the NZ setting? (2 points)

A
  • significant problem in NZ and concern has been expressed by both professional and official agencies
  • NZ’s geographical isolation makes importing heroin and raw opium in bulk difficult, so majority of opioid abusers have been Rx meds, poppies and homebake
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11
Q

How does the NZ drug strategy (2007-2012) fit? (3 points)

A
  • focuses on harm minimisation
  • harm reduction, demand reduction, supply reduction
  • new strategy is likely to follow the same plan
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12
Q

How are Rx drugs obtained for misuse? (7 points)

A
  • Dr shopping
  • Fabricated medical conditions/Sx
  • seeking replacement Rxs
  • inappropriate OTC purchases from community pharmacies
  • Fraudulent Rxs
  • Theft
  • Via other people’s supplies
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13
Q

What are some indications of drug seeking? (5 points)

A
  • specific requests for meds with potential for abuse
  • requests for dose increases of meds with potential for abuse
  • uneasy/agitated manner exhibited during consultation
  • visits to HCPs at recognised busy periods
  • targeting of new PHCPs within practice/pharmacy
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14
Q

What are some actions that can be taken if suspecting a Px of drug diversion? (10 points)

A
  • call Rxer
  • refuse to fill Rx
  • documentation
  • contact police
  • counsel Px on dangers
  • confront Px with suspicions
  • ask opinion of another Phx
  • tell Px to leave the pharmacy
  • offer educational materials
  • take no action
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15
Q

What are the consequences of PDM? (6 points)

A
  • inaccurate self diagnosis
  • drug interactions
  • underdosing
  • inappropriate meds/contraindications
  • over dose, esp when mixing CNS depressants like opioids and benzos
  • addiction & related consequences
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16
Q

Why is it important to know about PDM? (2 points)

A
  • users: health and social problems, legal problems, Tx issues
  • Health professionals: legal and ethical obligations, impacts their work, staff, other patients and customers
17
Q

What are the main drugs of abuse? (4 points)

A
  • opioids
  • benzos
  • stimulants
  • other drugs
18
Q

What is the issue with opioids? (9 points)

A
  • risk of overdose, esp. if combined with other CNS depressants
  • injecting - blood borne viruses
  • tolerance
  • dependence
  • withdrawal Sx
  • sedation
  • constipation
  • immunological
  • hormonal (men & women)
19
Q

What is the issue with benzos? (3 points)

A
  • long term use: depression, memory loss, lethargy, anxiety, aggression
  • tolerance develops very quickly
  • withdrawal from dependent use can lead to panic attacks, vomiting, depression, paranoia
20
Q

What is the issue with stimulants? (4 points)

A
  • long term: tolerance, dependence, cardiovascular, paranoia, mental health, weight loss
  • injecting: blood borne viruses
  • inhaled: lung damage
  • withdrawal
21
Q

What are some other drugs that can be abused? (3 points)

A
  • antidepressants
  • steroids
  • whatever’s new in the pharmacy
22
Q

What are some examples of supply control interventions? (5 points)

A
  • direct refusal to supply
  • supplying in restricted amounts
  • ban Px from practice/pharmacy
  • seek for Px to be restricted
  • contact police
23
Q

What are examples of harm reduction interventions? (5 points)

A
  • Question Px about their drugs use
  • Offer help/assistance
  • provide info
  • refer to specialist service
  • restructure frequency of Rx
24
Q

What are the challenges faced by GPs and CPs? (7 points)

A
  • IDing drug seekers
  • difficult Px
  • workload
  • time
  • managing professional relationships
  • inhertied Px
  • rural/locum/sole practitioner
25
Q

What is important that health professionals do about PDM? (5 points)

A
  • be aware
  • remain non-judgmental
  • keep up to date with trends
  • having policies in place
  • good networks with Tx services
26
Q

What can health professionals do? (7 points)

A
  • know legal & ethical obligations
  • duty of care
  • ask, brief advice and refer
  • report concerns about health professional Rxing
  • report concerns about Px
  • document
  • remember spectrum
27
Q

What is helpful to patients? (6 points)

A
  • feedback: give info on risks and negative consequences. Listen to Pxs reaction
  • Responsibility: emphasise the Px is responsible for making own decision about drug use
  • Advice: give straightforward advice on modifying drug use
  • Menu of options: give options to choose from, fostering in Pxs involvement in deciding
  • Empathy: be empathic, respectful, and non-judgemental
  • Self efficacy: express optimism that Px can modify substance use if they choose to.
28
Q

What are some ways of preventing and monitoring PDM? (5 points)

A
  • electronic databases
  • triplicate Rx
  • Guidelines for prescribing and dispensing
  • Public health campagins
  • Altering availability of abusable drugs/dosage forms
29
Q

What are some ways to alter the availability of abusable drugs/dosage forms? (5 points)

A
  • add in chemical to irritate nasal passages
  • add in antagonist to prevent high from injecting e.g. naloxone with buprenorphine
  • crush proof
  • unable to obtain AI from formulation

-however, doesn’t stop overuse by oral route

30
Q

Why should we be concerned in NZ? (4 points)

A
  • misuse of any substances causes harm
  • impacts public health
  • impacts families and communities
  • impacts on health professionals

therefore: focus on 3 prongs of harm minimisation