Key Drug Interactions Flashcards
Statin + fusidic acid
Increased risk of rhabdomyolysis
Statin + ezetimibe
Increased risk of rhabdomyolysis
Statin + macrolide
Increased risk of rhabdomyolysis
Statin + fenofibrate/nicotinic acid
Increased risk of rhabdomyolysis
Lercanidipine + macrolide
Contraindicated- due to markedly increased exposure to lercanidipine (BP reduced too much)
Warfarin + metronidazole
Increased anticoagulant effect of warfarin
Warfarin + rifampicin
Increased metabolism of warfarin, thus reduced anticoagulant effect
Warfarin + macrolide
Increased risk of serious haemorrhage and significant elevation in INR
Warfarin + quinolones
Increased risk of serious haemorrhage and significant elevation in INR
ACEi + spironolactone
Increased risk of hyperkalaemia
ACEi + NSAID
Increased risk of renal damage
ACEi + K+ sparing diuretic
Increased risk of hyperkalaemia
Amlodipine + simvastatin
Increased exposure to simvastatin
Amiodarone + QT prolonging drugs
Risk of QT prolongation
Amiodarone + digoxin
Increased exposure to digoxin
Amiodarone + simvastatin
Increased exposure to simvastatin
Which drugs interact with digoxin, increasing serum digoxin?
- P-glycoprotein transport inhibitors e.g. clarithromycin, erythromycin, ritonavir and verapamil
- Amiodarone
- Verapamil
- Macrolides
- Azole antifungals
- Cyclosporins