DRUGS
Alpha blocking agents, beta blocking agents, or reserpine likely will increase the effect of guanadrel.
Tricyclic antidepressants - decrease effect of guanadrel on hypertension.
Indirect-acting sympathomimetics (ephedrine, phenylpropanolamine, and possibly phenothiazines) can reverse the effects guanadrel.
Direct-acting sympathomimetics (norepinephrine) effects are increased by guanadrel.
Over the counter (OTC) medications for treatment of colds, allergies, and asthma containing sympathomimetics should not be taken without physician's advice.
Vasodilator use with guanadrel is not recommended because it may increase the potential for orthostatic hypotension.
MAO inhibitors
 

FOODS

LAB TESTS

OTHERS

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