Increased C
max of prazosin. Increased AUC & C
max of terazosin, glyburide, colchicine, doxorubicin, buspirone, midazolam, metoprolol, propranolol, everolimus, simvastatin, almotriptan, dabigatran & grapefruit juice. Increased AUC of carbamazepine, imipramine & sirolimus. Increased C
max, C
12hr, C
ss & AUC of digoxin. May increase systemic bioavailability of other direct oral anticoagulants. Increased AUC, C
ss & C
max of cyclosporine. Possible increase of tacrolimus, lovastatin & ethanol (alcohol) levels. Increased AUC w/ & possible increased levels of atorvastatin. Sensitivity to lithium effects (neurotoxicity). Decreased oral clearance of quinidine. Decreased oral & systemic clearance of theophylline. Decreased total body & extrarenal clearance of digitoxin. Decreased plasma conc w/ phenytoin. Decreased AUC, C
max & oral bioavailability w/ rifampicin. Decreased bioavailability w/ sulfinpyrazone. Decreased AUC & C
max w/ St. John's wort. Possible increased levels w/ clarithromycin, erythromycin & telithromycin. Increased oral clearance w/ phenobarb & sulfinpyrazone. Increased AUC w/ cimetidine w/ corresponding decreased clearance. Increased C
trough w/ everolimus. Increased AUC & C
max w/ lovastatin. Increased plasma conc w/ HIV antiviral agents (eg, ritonavir). Increased risk of bleeding w/ acetylsalicylic acid. May potentiate activity of neuromuscular blockers (curare-like & depolarizing) & hypotensive effect of antihypertensives, diuretics & vasodilators. HMG CoA reductase inhibitors. Reduced efficacy of metformin when co-administered.