PSA_Abreviated Flashcards
Drugs to avoid in renal failure (eGFR <30)?
Key: NSAIDs, ACEi (& ARBs)
Other:
- Abx: tetracyclines, nitrofurantoin, aminoglycosides
- Allopurinol (accumulates in renal dysfunction)
- Lithium
- Metformin
- IV contrast
Drugs harmful in AKI = CANDA: Contrast (keep very hydrated), Aminoglycosides (Gent), NSAIDs, Diuretics, ACEi
Enzyme inducers/inhibitors affect what drugs? Which drugs are enzyme inducers and inhibitors?
Affected drugs: Warfarin, COCP, steroids, statins
Enzyme inducers (decrease efficacy): CRAPS
- Carbamazepine
- Rifampicin
- bArbituates (amobarbital & alcohol chronically)
- Phenytoin (for epilepsy)
- St John’s wort (& sulphonylureas - gliclazide, tolbutamide)
Enzyme inhibitors (potentiate effects): GO DEVICES
- Grapefruit juice
- Omeprazole
- Disulfiram (support alcohol abstinence)
- Erythromycin
- Valproate
- Isoniazid
- Ciprofloxacin (& Cimetidine)
- Ethanol (acutely)
- Sulphonamides (trimpethoprim, sulfasalzine)
C/I drugs in chronic HF?
CCB (verapamil), antiarrhythmics (amiodarone is the safest), TCAs, NSAIDs, corticosteroids
C/I drugs in heart block?
Beta-blockers, digoxin, verapamil
Drugs associated with hyponatremia?
DACC: Diuretics, Antidepressants, Chlorpromazine (antipsychotic), Carbamazepine (anti-convulsant)
Drugs associated with hyperkalaemia?
K ABCD HTN:
- K+ sparing diuretics
- ACEi/ARB, B-blockers (if renal dusfunct/insulin def), Calcineurin inh (Cyclosporine, Tacrolimus), Digoxin overdose
- Heparins, Trimethoprim, NSAIDs
Drugs associated with hypokalaemia?
Salbutamol, insulin, diuretics (except K+ sparing)
Drugs associated with hypercalcaemia?
thiazide diuretics
Drugs associated with hypocalcaemia?
loop diuretics, bisphosphonates
What drug is photosensitivity associated with?
Tetracyclines
Drugs commonly causing constipation?
Opioids (codeine, tramadol)
Anticholinergics (block acetylcysteine - neurotransmitter):
- TCAs e.g. amitryptiline
- Antihistamines e.g. chlorphenamine/cetirizine
- Antiparkinsonian e.g. levodopa
- Neuroleptics (antipsychotics) e.g. olanzapine, risperidone, chlozapine
- Bladder instability e.g. oxybutynin
Drugs commonly causing confusion?
Anticholinergic drugs (TCAs, antihistamines, antiparkinsonian, antipsychotics, bladder instability)
Opioids, Benzos (diazepam)
Glucocorticoids (e.g. pred) esp. in elderly
Drugs commonly causing diarrhoea?
Antibiotics
Metformin
PPIs, Bisphosphonates
SSRIs (citalopram, sertraline), lithium
Colchicine, mg-containing drugs,
Drugs commonly causing dyspepsia?
Anti-inflammatory meds (aspirin, ibuprofen, celecoxib)
Bisphosphonates (alendronate)
Corticosteroids (pred)
Macrolides (clari)
Metformin
Theophylline
Drugs commonly causing falls/dizziness?
anti-HTN
CNS suppressants (opioids, benzos, anti-depressants, anti-psychotics)
Diuretics (furosemide)