naproxen + ethinyl estradiol (contraceptive)

monitor BP, thrombosis s/sx; use lowest effective naproxen dose, shortest effective tx duration: combo may incr. risk of HTN, thromboembolism (additive effects)

naproxen + norethindrone (contraceptive)

monitor thrombosis s/sx, especially w/ concomitant estrogen use; use lowest effective naproxen dose, shortest effective tx duration: combo may incr. risk of thromboembolism (additive effects)

clorazepate + desipramine

monitor respiratory rate; caution advised if seizure disorder use: combo may incr. risk of CNS and respiratory depression, psychomotor impairment; may alter seizure control (additive effects; antagonistic effects, desipramine may decr. seizure threshold)

desipramine + ethinyl estradiol (contraceptive)

monitor ECG; consider monitoring desipramine levels: combo may incr. desipramine levels, risk of QT prolongation, cardiac arrhythmias, other adverse effects (hepatic metabolism inhibited)