Enhanced cardiotoxicity w/ previous or concurrent use of other anthracyclines (eg, mitomycin C, dacarbazine, dactinomycin), paclitaxel, & possibly cyclophosphamide. May exacerbate hemorrhagic cystitis caused by previous cyclophosphamide therapy. Severe hematopoietic disturbances w/ drugs affecting bone marrow function (eg, cytostatic agents, sulfonamides, chloramphenicol, phenytoin, amidopyrine derivates, antiretroviral drugs). Potentiated effect of RT. Increased cardiotoxicity or hepatotoxicity w/ previous, concomitant or subsequent RT. Possible decrease in efficacy w/ CYP450 inducers (eg, rifampicin, barbiturates). Possible increase in toxic effects w/ CYP450 inhibitors (eg, cimetidine). Severe & prolonged haematologic toxicity w/ cyclosporine. Decreased serum levels of phenytoin. Reduced oral bioavailability of digoxin. May be hydrolysed by alkalic soln. Incompatible w/ heparin, 5-fluorouracil, allopurinol, cephalotin, dexamethasone, diazepam, furosemide, gallium nitrate, hydrocortisone, MTX, parenteral nutrition soln, piperacillin, theophylline, vincristine. Avoid contact w/ Al.