PSA Flashcards
Gentamicin SEs
Ototoxicity and nephrotoxicity
Vancomycin SEs
Ototoxicity and nephrotoxicity
Digoxin toxicity SEs
Confusion, arrhythmias, nausea, visual halos
Lithium toxicity SEs
Early: fine tremor
Intermediate: tiredness
Late: arrhythmias, diabetes insipidus, seizures, coma, renal failure
Phenytoin toxicity SEs
Gum hypertrophy, ataxia, nystagmus, peripheral neuropathy, teratogenicity
Beta-blockers
Bronchospasm -> wheeze?
Bradycardia
Hypotension
Erectile dysfunction
CI in acute HF
CI with CCB
DMARD SEs
Myelosuppression
Liver cirrhosis
Test pre-biological DMARD therapy
CXR as anti-TNF-alpha Abs can restart pul TB
Common reaction to statins
Myalgia
Abdo pain/ GI SEs
Increased ALT/AST
Dangerous reaction to statins
Rhabdomyalysis
Common causes of C difficile infection
Cephalosporins
Ciprofloxacin
Clindamycin
ACEI SEs
Hypotension Electrolyte abnormalities AKI Dry cough angioedema - delayed reaction
CCBs SEs
Hypotension
Bradycardia
Peripheral oedema
Flushing
CI with beta blocker
Diuretic SEs
Hypotension
Electrolyte abnormalities
AKI
Sub-class effects
Potassium sparing diuretics examples
Spironolactone
Amiloride
Heparin SEs
Haemorrhage
Heparin-induced thrombocytopenia
Dalteparins etc -> hyperkalaemia
Aspirin SEs
Haemorrhage
Peptic ulcers and gastritis
Tinnitus in large doses
Digoxin SEs
Nausea Vomiting Diarrhoea Confusion Drowsiness Blurred vision Xanthopsia - halo vision
Amiodarone
Interstitial lung disease eg pul fibrosis
Thyroid dysfunction eg hypo/hyper
Skin greying
Corneal deposits
Haloperidol SEs
Dyskinesia eg acute dystonia, Parkinsonism (CI in Parkinson’s disease), tardive dyskinesia
Clozapine SE
Agranulocytosis
Steroid SEs
Stomach Ulcers Thin skin Edema Right and left heart failure Osteoporosis Infections eg candida Diabetes Syndrome Cushings
NSAIDs SEs
No urine - renal failure Systolic dysfunction eg HF Asthma Indigestion and ulceration Dyscrasia
Drugs with narrow therapeutic index
Warfarin
Phenytoin
Digoxin
Theophylline
Enzyme inducers
PC BRAS Phenytoin Carbamazepine Barbituates Rifampicin Alcohol (chronic) Sulphonyureas
Enzyme inhibitors
AODEVICES Allopurinol Omeprazole Disulfiram Erythromycin Valproate Isoniazid Ciprofloaxcin Ethanol (acute) Sulphonamides
Drugs which require careful dosage control
Antihypertensives
Antidiabetics
An alpha blocker used in hypertension?
Doxazocin
A dopamine agonist used for patients with a prolactinoma?
Cabergoline or bromocriptine
A dopamine antagonist that can be used for psychotic disorders or nausea?
Metoclopromide
Causes of gingival hyperplasia?
Phenytoin,
Ciclopsporin
CCBs
AML
Drug causes of tinnitus
Aspirin
Aminoglycosides eg gentamicin, tobramycin
Loop diuretics
Etoh
Drug causes of vertigo
Gentamicin
Loop diuretics
Metronidazole
Co-trimoxazole
Ototoxic drugs
Aspirin Aminoglycosides Loop diuretics Quinines Chemotherapy
Ankle oedema causes
Naproxen
CCBs
Bradycardia
B blockers
B blocker + diltiazem/verapamil
Digoxin if wrong dose
How long to treat thrush for in pregnancy and what route?
PV, 7 days
First and second line therapy for C difficile
Vancomycin
Fidaxomicin
Second line therapy for C diff or where 1st failed or not tolerated
Vancomycin
Fidaxomicin
NSAID SEs esp in elderly
GI
Renal impairment
Opioid SEs
anticholinergic
constipation
nausea
drowsiness
How should loperamide be taken?
After each loose stool
What monitoring should be done for cyclosporin?
U&Es for hyperkalaemia
Serum creatinine/renal function before starting, every 2wks for first 3mths, then monthly
Common SE of GLP-1 agonists eg liraglutide
nausea/vomiting
Precipitators of serotonin syndrome
SSRI + TCA eg amitriptyline \+ tramadol (serotonin inducing) lithium metoclopromide triptans SNRIs
What should be monitored in first month with COCP and why?
BP, if >160/95 then need to stop
Opioid of choice in renal impairment
oxycodone - metabolites processed and broken down in liver so won’t accumulate
morphine - most broken down in liver but produces 1 v active metabolite which is renally excreted in the process and will accumulate in renal impairment
Profuse haemorrhage mx in pt on warfarin
IV vit K + PCC + hold warfarin
Management of amiodarone induced thyroid dysfunction
hyperthyroidism - hold until controlled
hypo - can not withdraw if replacement thyroid therapy given + supervision etc
Cyclophosphamide SEs
myelosuppression
haemorrhagic cystitis
transitional cell carcinoma
Vincristine SEs
peripheral neuropathy
urinary hesitancy (2 to bladder atony)
paralytic ileus
Bleomycin SE
Lung fibrosis
Doxorubicin SE
cardiomyopathy
Methotrexate SE
Myelosuppression, mucositis, liver fibrosis, lung fibrosis
Cisplatin SEs
ototoxicity
peripheral neuropathy
low Mg
ACE-I SEs
Cough
Hyperkalaemia
Angioedema (delayed onset)
Loop diuretics SEs
Tinnitus
Hypokalaemia
Postural hypotension
Thiazide diuretics SEs
Hypercalaemia Hypokalaemia Hyponatraemia Dehydration Postural hypotension Gout Impaired glucose tolerance Impotence
Rarely - pancreatitis
Gliclazide SEs
Hypoglycaemia
Hyponatraemia
When should levothyroxine be taken?
30mins before food - absorption may be affected by food, caffeine, other meds
Side effects of levothyroxine
hyperthyroidism
reduced mineral bone density
worsening of angina
AF
Contraindicated drugs in HF
Thiazolidinediones Verapamil NSAIDs (fluid retention + CV SEs) Glucocorticoids (fluid retention) Flecainide (negative inotrope, arrhythmogenic)
Cardiovascular effects of Tacrolimus and Cyclosporin
HTN
Hyperglycaemia
Tacro - hyperlipidaemia
What drug should be stopped as it accumulates in renal dysfunction?
Allopurinol
- either hold it or give max dose of 100mg OD until improves
When should anti-plts be held pre-surgery?
7 days
Drugs causing hyponatraemia
Thiazide diuretics Loop diuretics Gliclazide SSRIs Carbamazepine Anti-psychotics PPIs
What should be prescribed if pt on warfarin has INR of >1.5 on day of surgery?
Vit K
How should rivaroxaban be taken?
With food
What should be done in a female of child-bearing potential on topiramate?
Contraception that is NOT COCP - reduces efficacy and they have to continue it until 4wks finished topiramate therapy
Pt turns yellow on ABx, what is likely drug?
Co-amoxiclav causing cholestatic jaundice
More common in men>65
What drug can increase bleeding events if given with Dabigatran?
Citalopram
What rise in creatinine is acceptable when starting ACEI? What should be monitored?
<20%
Repeat U&Es after 1 week
Side effects of cyclosporin? What should be monitored on this therapy?
Nephrotoxicity
Hypertension
Monitor BP regularly
Renal function tests at start and then every two weeks until stable
Na/K/Cl requirement per day for adult
1mmol/kg/L
Max rate of K+ infusion
20mmol/L
Drugs CI/cautioned in PVD
Beta-blockers
ACE-I
Tests to be done before starting treatment with amiodarone
Serum potassium
LFTs
TFTs
CXR
What to do if patient presents with raised CK/muscle pain and is on statin?
Hold statin
Reintroduce at lower dose if CK goes back to normal
What opiate is preferable in renal impairment?
Fentanyl or Oxycodone
Azathioprine SEs
Nausea/vomiting
Myelosuppression - do FBC if bleeding or infection occurs
Pancreatitis
What is long term PPI use a risk factor for?
Osteoporosis
A TB patient on treatment develops a malar rash, arthralgia and myalgia - what drug is responsible? What antibodies might indicate a drug induced cause?
Isoniazid
Ant-histone Abs POSITIVE
dsDNA NEGATIVE
Drugs causing lupus
Procainamide
Hydralazine
Isoniazid
Side effects of isoniazid
Hepatitis
Drug-induced lupus
Peripheral neuropathy
What should be checked before starting a patient on ethambutol and why?
Eye test
Optic neuritis risk
What drug should be given to patients on isoniazid and why?
Pyridoxine (vit B6)
due to risk of peripheral neuropathy
Is azathioprine safe in pregnancy?
Yes
What drug can azathioprine react with dangerously?
Allopurinol
What screening is needed for patients taken hydroxychloroquine?
Bull’s Eye Retinopathy before starting
Annual screening
Sulfasalazine SE for men
Oligospermia
Drug appropriate for HTN with gout
Losartan
Main SE of colchicine?
Diarrhoea
What anti-HTNive should not be given with beta blockers in diabetes and why?
Thiazides as can cause insulin resistance
SE of PPIs
hyponatraemia hypoMg increased risk of C diff osteoporosis loose stools
SE of cisplatin
Peripheral neuropathy
Ototoxicity
Hypomagnesaemia
Bleomycin SE
Lung fibrosis
Doxorubicin SE
Cardiomyopathy
Side effects of alendronate
Diarrhoea
GI SEs eg dyspepsia
Constipation drugs
1) Bulk forming - bran/isphagula husk
2) Osmotic - macrogol, lactulose
3) Stimulant - Senna, bisacodyl, docusate
Drugs indicated for opioid induced constipation
osmotic + stimulant
How fluid depleted are each of the following
1) decreased UO <30ml/h
2) decreased UO + tachy
3) decreased UO + shocked
1) 500ml
2) 1L
3) 2L
What fluid to initially give for resuscitation and how much can you give?
500ml 0.9% over 15mins, can give up to 2L
reassess after each bolus
If elderly or extensive co-morbidities eg HF+renal failure - 250ml boluses
What are the normal fluid requirements for an adult per day?
25-30ml/kg/day water
1mmol/kg/day K/Na/Cl
50-100g/day glucose
What anti-emetic causes fluid retention?
Cyclizine
What anti-emetic is CI in young people?
Metoclopromide
What drug may be used for diabetic neuropathy?
Duloxetine
What drugs should be avoided in asthmatics?
Beta-blockers
NSAIDs
Possibilities of early early parkinsons treatment
Dopamine antagonist eg Ropinirole
MAO-I inhibitor eg rasagiline
Pityriasis versicolour Mx
Ketoconazole shampoo 5%
When should montelukast be taken?
At night