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GPhC Registration Exam Prep 2023 > What Do I Have To Remember? > Flashcards

What Do I Have To Remember? Flashcards

1
Q

What do I have to remember for Amiodarone? (Side effects, excretion, monitoring, interactions)

A

Side effects: QT PROLONGATION, corneal microdeposits, hypo/hyperthyroidism [contains iodine]

Excretion: Hepatic

Monitoring: 6 monthly LFTs, TFTs. Baseline LFTs, TFTs, potassium, chest x-ray, ECG (IV)

Interactions: QT PROLONGATION, Simvastatin (20MG MAX)

CYP INHIBITOR/SUBSTRATE
(affected by CYP3A)
antiretrovirals, macrolides (mycins), RL CCBs,antifungals, grapefruit juice, pioglitazone, St John’s Wort, Antiepileptics

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2
Q

What do I have to remember for digoxin? (side effects, dosing, monitoring, interactions)

A

Loading dose is required. Therapeutic range: 1-2mcg/L

Side effects:
- Cardiac arrhythmias and heart block
- neurological: weakness, confusion, headache, dizziness
- GI - anorexia
- BLURRY/YELLOW VISION

Monitoring:
electrolytes (HYPOkalaemia, HYPOmagnaesemia, HYPERcalcaemia),
renal function,
plasma-digoxin (at least 6 hours post dose),
heart rate (>60bpm)

Interactions:
- Drugs that increase digoxin: Amiodarone, Bupropion, RL CCBs, Itraconazole, Macrolides (mycins), Spironolactone, Trazodone, Trimethoprim
- St John’s Wort: reduces digoxin
- PPIs: hypomagnaesemia, digoxin tox risk, omeprazole can increase digoxin
- Diuretics: hypokalaemia - cardiac tox
- Drugs that affect renal function: NSAIDs, ACEis

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3
Q

What do I need to remember for heparins? (Cautions, antidote, side effects, pregnancy)

A

Pregnancy:
Can be used in pregnancy
Stop on the onset of labour to prevent haemorrhage

Antidote:
Reversal agent is protamine sulfate

Side effects:
Risk of heparin induced thrombocytopenia and Hyperkalaemia

Cautions:
Caution in patient with diabetes, chronic renal failure, acidosis or on drugs like potassium-sparing diuretics

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4
Q

What do I need to remember for warfarin? (Monitoring, side effects, interactions)

A

Side effects:
- haemorrhagic stroke
- rash, skin necrosis, purple toes
- diarrhoea and vomiting (leads to poor absorption)
- DVT/PE

Monitoring:
INR - alternate day at start, then longer, up to every 12 weeks, LFTs, U+Es, FBC, BP, TFTs

Interactions:
CYP SUBSTRATE: CYP Inducers and Inhibitors

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5
Q

What do I need to remember for aspirin? (Cautions)

A

Contraindicated in under 16 and in breastfeeding (Reyes syndrome)

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6
Q

What do I need to remember for antiplatelets? (Side effects, monitoring, counselling, interactions)

A

Side effects: hypersensitivity, heaviness in centre of chest, risk of haemorrhage in pregnancy

Monitoring: LFTs, U+Es

Counselling: take with or after food

Interactions:
CYP2c SUBSTRATE
- increased risk of bleeding: antifungals, carbazepines, cimetidine, ciprofloxacin, NSAIDs, SSRIs, MTX, and anticoagulants

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7
Q

What do I need to remember about the treatment of hypertension in diabetes?

A

Regardless of the BP, first line is an ACEi or ARB but use with caution in renal impairment (risk of hyperkalaemia)

You would use an ARB in a person of African-Caribbean origin as ACEi is less effective in these populations

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8
Q

What do I need to remember about antihypertensives? (Interactions)

A

Interactions:
RL CCBs, amlodipine, ranolazine and high dose statins have an increase risk of myopathy. Recommend reducing Simvastatin to 20mg in these cases.

Don’t give ivabradine, aliskerin or CCBs with grapefruit juice

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9
Q

What do I need to remember for ACEis/ARBs? (Cautions, side effects)

A

Side effects: HYPERkalaemia, anaphylactics reactions (avoid in dialysis patients), hepatic effects (jaundice)

Cautions:
- HYPOVOLAEMIA
- high dose diuretics
- hypotension
- hyponatraemia
- unstable heart failure
- known renal disease

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10
Q

What do I need to remember about statins?

A

Interstitial lung disease, report any pulmonary symptoms
Hypothyroidism, correct before starting

Monitoring: LFTs (statins can alter these) at baseline, 3 months and 12 months, blood glucose at baseline and 3 monthly

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11
Q

What do I need to remember for Antiepileptics? (Side effects, DVLA, Preg+BF)

A

There is a risk of developing suicidal thought and behaviours.

Antiepileptic hypersensitivity syndrome: FATAL - carbamazepine, lacosamide, lamotrigine, oxcarbazepine, phenobarbital, phenytoin, primidone, rufinamide)

Barbiturates take months to withdraw.

DVLA instructions on driving: you can drive if you have a 3 year history of no daytime seizures, only nighttime.
If medication is changed then advice is to not drive for 6 months afterwards

Pregnancy: topiramate can cause cleft palate if taken during first trimester.

Breastfeeding: monitor for sedation, feeding difficulties, adequate weight gain and developmental milestones.
Note withdrawal can occur if child stops breastfeeding abruptly

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12
Q

What do I need to remember for carbamazepine?

A

Toxicity: incoordination, blurry vision, double vision, nystagmus, ataxia, arrthymias, N+V, diarrhoea, HYPONATRAEMIA

Side effects: blood disorders, skin reactions, HEPATIC disorders (increase dose in advanced liver disease), AeHS

Report any bleeding or bruising, any fever, rash, GI upset or jaundice

Monitoring: FBC, U+Es, LFTs, plasma conc (2 weeks after start)

Interactions: CYP INDUCER
- increased convulsions: orlistat
- decreased conc: phenytoin, rifabutin, St John’s Wort
- increased conc: acetazolamide, cimetidine, macrolides (mycins)
- reduces the conc of: antipsychotics, corticosteroids, warfarin, eplerenone, oestrogen and progestogen and Simvastatin

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13
Q

What do I need to remember for lamotrigine?

A

Lamotrigine can cause blood disorder - watch for fever, anaemia, bruising or infection

Lamotrigine can cause serious skin reactions, watch for purplish rash within first 8 weeks. Exacerbated by valproate, initially high doses of Lamotrigine, and more rapid dose escalation.

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14
Q

What do I need to remember for Topiramate?

A

Acute myopathy secondary to close angle glaucoma - typically occurs within 1 month of start

If raised ocular pressure occurs - seek specialist advice and reduce down Topiramate as rapidly as feasible - no abrupt stop

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15
Q

What do I need to remember for sodium valproate?

A

Liver toxicity - occurs in first 6 months, monitor LFTs every 6 months until they return to normal

Discontinue if abnormally prolonged prothrombin time persists or if there are signs of toxicity

Persistent vomiting and abdo pain, anorexia, jaundice and loss of seizure control

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16
Q

What do I need to remember for vigabatrin? (side effects)

A

Can cause visual field defects - varies from 1 month to years after start

Usually persists despite cessation.

Visual field testing at baseline and 6 monthly.

Advise to report any new visual symptoms and refer immediately to ophthalmologist.

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17
Q

What do I need to remember for Benzodiazepines? (overdose and counselling)

A

Overdose: drowsiness, ataxia, dysarthria, nystagmus, and occasionally respiratory depression, and coma.
Antidote: Activated charcoal within 1 hour of ingestion provided the patient is awake and the airway is protected.

Counselling:
Paradoxical increase in hostility and aggression
Avoid in elderly due to increased risk of confusion leading to falls and injury.

18
Q

What do I have to remember for Atomoxetine? (monitoring, ADRs)

A

Monitoring:
Pulse, BP, Psychiatric Symptoms, Appetite, Weight, Height - baseline, 6 monthly, on initiation and following each dose adjustment
Monitor for appearance or worsening of anxiety, depression or tics, history of seizures.

Risk of Hepatic disorders, seek medical attention
Risk of suicidal thoughts and behaviours, report to GP

19
Q

What do I need to remember for Dexamfetamine / Lisdexamfetamine? (ADRs)

A

Tics and Torette’s syndrome - discontinue if occur, monitor weight and height may occur during prolonged therapy

20
Q

What do I need to remember for Lithium? (dosing, side effects, monitoring, interactions)

A

Therapeutic Range: 0.4-1mmol/L (lower end for maintenance and elderly) 0.8-1mmol/L (acute mania and relapse

Overdose: Seizure, coma, renal failure, arrythmias, blood pressure changes, circulatory failure

Side effects:
- Increased GI Disturbances
- Blurred vision
- CNS Disturbances - drowsiness, unsteadiness, confusion
- Fine-course tremor, muscle weakness
- signs and symptoms of hypothyroidism, renal dysfunction and benign intracranial hypertension

Monitoring:
U+Es, TFTs, Cardiac function - every 6 months
Lithium conc - weekly then every 3 months once stable

Interactions:
- QT PROLONGATION
- Toxicity risk: Antihypertensives, NSAIDs, Aldosterone Antagonists, Metronidazole, SSRIs, Tricyclics
- Risk of neurotoxicity: Methyldopa, Phenytoin, Carbamazepine, RL CCBs
- Increased risk of Extrapyramidal SEs: Antipsychotics

21
Q

What do I need to remember for Lithium? (Cautions, Counselling)

A

Long term use associated with thyroid disorders and mild cognitive and memory impairment. Needs careful monitoring of thyroid, cardiac and renal function every 6 months. Serum lithium measured weekly then every 3 months when stable.

Keep on same brand of lithium

Toxicity is worse with sodium depletion so keep a consistent diet and water intake to avoid lithium conc changes

Avoid NSAIDs and Alcohol

22
Q

What do I need to remember for MAOIs? (examples, counselling, withdrawal)

A

Phenelzine

Have a dangerous interaction with tyramine rich food. It can cause a dangerous rise in BP. Advise to eat only fresh food and avoid food that’s suspected to be stale or ‘going off’. Especially with meat, fish, and poultry. Avoid game, alcohol and ‘low alcohol’ drinks.

Start any new antidepressants 2 weeks after stopping MAOIs.

Withdrawal Symptoms:
Agitation, irritability, ataxia, movement disorders, insomnia, drowsiness, vivid dreams, cognitive impairment, and slowed speech, occasionally hallucinations and paranoid delusions. Taper over at least 4 weeks.

23
Q

What do I need to remember for SSRIs?

A

Citalopram, Escitalopram, Paroxetine, Sertraline, Mirtazapine, and Venlafaxine is not recommended in under 18s.

Fluoxetine, though safe in children is still associated with risk of suicidal thoughts and ideation.

Cautions:
Avoid in poorly controlled epilepsy - discontinue if convulsions develop
Cardiac disease, diabetes, susceptibility to close-angle glaucoma, history of mania

Overdose:
N+V, agitation, tremor, nystagmus, drowsiness, and sinus tachycardia. Convulsions may occur

Withdrawal:
GI Distrubance, paraesthesia, electric shock sensation in CNS, tinnitus, sleep disturbance, influenza- like symptoms

24
Q

What drugs are licensed for over 2, and 6 months?

A

2 months: Lyclear cream

4 months: Daktarin oral gel

6 months: Hedrin and Lyclear cream rinse

25
Q

What drugs are license for over 2 years old?

A

Mebendazole
Chloramphenicol
Promethazine
Cetirizine liquid
Loratidine

26
Q

What drugs are license for over 3 years old?

A

Hyoscine Hydrobromide (Joy-Rides)

27
Q

What drugs are licensed for over 6 years old?

A

Ispaghula Husk
Hyoscine Butylbromide (Buscopan)
Pholcodeine
Cetirizine tablets
Chlorphenamine tablets
Aciclovir cream (Zovirax)

28
Q

What drugs are licensed for over 5 years old?

A

Cinnarizine
Selsun

29
Q

What drugs are licensed for over 10 years old?

A

Bisacodyl
Kwells
Hydrocortisone 1%

30
Q

What drugs are licensed for over 12 years old?

A

Loperamide
Germoloids
Corsodyl (Chlorhexidine)
Eumovate
Benzoyl Peroxide

31
Q

What drugs are licensed in over 13 years old?

A

Ben yea mine mouthwash

32
Q

What drugs are licensed in over 15 years old?

A

Peppermint oil
Naproxen (Feminax Ultra)

33
Q

What drugs are licensed in over 16 years old?

A

Pepto-Bismol
Bonjela
Nytol (Diphenhydramine)
Sominex (Promethazine)
Canestan (Clotrimazole)
Terbinafine cream

34
Q

What drugs are licensed for over 18 years old?

A

PPIs
Mebeverine
Orlistat
Anusol
Anusol and Germoloid HC
Codeine
Nasal steroids
Sumatriptan
Tranexamic Acid
Amorolfine 5%

35
Q

What are the CYP Inducers?

A

SCRAP GP

Sulfonylureas
Carbamazepine
Rifampacin
Alcohol
Phenytoin
Griseofulvin
Phenobarbital

36
Q

What are the CYP Inhibitors?

A

SICKFACES.COM

Sodium Valproate
Isoniazid
Cimetidine
Ketoconazole
Fluconazole
Alcohol
Chloramphenicol
Erythromycin
Sulfonamides
Ciprofloxacin
Omeprazole
Metronidazole

37
Q

What do I need to remember for Tricyclic Antidepressants? (Withdrawal, Cautions)

A

Cautions:
Cardiovascular disease
Hyperthyroidism
Prostatic hypertrophy
Chronic constipation
Urinary retention
Glaucoma

Withdrawal symptoms:
Influenza-like symptoms
Insomnia
Vivid dreams
May occasionally involve movement disorders and mania

Taper over at least 4 weeks to avoid.

38
Q

What am I supposed to remember for antipsychotic drugs? (Categories, Side effects, monitoring)

A

Typical: more extra-pyramidal side effects
Atypical: more metabolic side effects

Side effects:
- Acute akathisia (inner restlessness)
- Hyperprolactinaemia: common in Risperidone and Amisulpiride, symptoms of sexual dysfunction, reduced bone mineral density, menstrual disturbances, breast enlargement, and galactorrhoea
- Sexual dysfunction: common with haloperidol and risperidone
- Hypotension, and interference with temp: risk of dangerous falls and hypothermia or hyperthermia in elderly. Clozapine, chlorpromazine, and Quetiapine can cause postural hypotension

Monitoring:
FBC, U+Es, LFTs - start and annually
Lipids and weight - baseline, 3 months and annually
Fasting blood glucose - baseline, 4-6 months, annually
BP
Prolactin - start, 6 months and annually
CVD Risk annually

39
Q

What do I need to remember for chlorpromazine? (ADRs)

A

Acute dystonic reactions - facial and skeletal muscle spasms especially in young children and women.

Contact sensitisation - avoid direct contact, crushed tablets or solutions should be handled with care

40
Q

What do I need to remember for Clozapine? (Side effect)

A

Agranulocytosis: FBC needs to be normal before starting treatment. Avoid drugs which exacerbate leukopenia. Report sings of infection, especially influenza-like symptoms.

Myocarditis and Cardiomyopathy: stop if signs, stop permenantly if clozapine-induced

FATAL CONSTIPATION: causes paralytic ileus and faecal impaction - use in caution in drugs that may cause constipation or with any GI/Colonic disease

Hypersalivation: can be treated with Hyoscine hydrobromide if patient not at risk for anticholinergic bu

41
Q

What do I need to remember for Olanzapine? (Side effects)

A

CNS and respiratory depression: especially in patients receiving benzos. Monitor BP, pulse and respiratory rate should be monitored at least 4 hours after IM injection

42
Q

What do I need to remember for Dopaminergic Drugs? (Counselling, side effects, examples)

A

Levodopa, Ropinerole:
- Impulse control disorders
- Sudden onset of sleep
- Hypotensive reactions

Pramipexole
- Different strengths of base = inconsistent strengths of salt

GPhC Registration Exam Prep 2023 (13 decks)

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