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Phentolamine Mesylate for Injection

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Phentolamine Mesylate for Injection

Side Effects


Acute and prolonged hypotensive episodes, tachycardia, and cardiac arrhythmias have been reported. In addition, weakness, dizziness, flushing, orthostatic hypotension, nasal stuffiness, nausea, vomiting, and diarrhea may occur.

Read the Phentolamine Mesylate for Injection (phentolamine mesylate) Side Effects Center for a complete guide to possible side effects


See DOSAGE AND ADMINISTRATION. Diagnosis of pheochromocytoma, Preparation.

This monograph has been modified to include the generic and brand name in many instances.

Last reviewed on RxList: 10/21/2008

Side Effects

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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