Abstract
The most important cardiovascular interactions between cardioactive drugs and monoamino-oxidase inhibitors or tricyclic antidepressants are reviewed. Post-ganglion blocking agents (e.g., guanethidine), clonidine, reserpine, and alpha-methyl-dopa should not be used in patients needing antide-present therapy. For hypertension, diuretics, beta-blokkers, and vasodilators should be used. In patients with cardiac disease negative interactions between membrane-stabilizing antiarrhythmic agents and tricyclic antidepressants may be observed. Caution is recommended when using both drugs. On the other hand, the use of digitalis is relatively free of negative interactions. Some of the mechanisms possibly involved are discussed. The practical implications of such effects are presented and some clinically useful guidelines are suggested.
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