October 9, 2015
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Side Effects


The following adverse reactions have been reported and within each category are listed in order of decreasing severity.

Gastrointestinal: Ileus, constipation (sometimes preceded by small, frequent liquid stools), vomiting, nausea, anorexia glossitis and dryness of mouth.

Cardiovascular: Orthostatic dizziness and syncope, postural hypotension.

Nervous System/Psychiatric: Convulsions, choreiform movements, mental aberrations, tremor, and paresthesias (see WARNINGS).

Respiratory:Interstitial pulmonary edema and fibrosis.

Urogenital:Urinary retention, impotence, decreased libido.

Special Senses: Blurred vision, dilated pupils.

Miscellaneous: Weakness, fatigue, sedation.

Read the Inversine (mecamylamine) Side Effects Center for a complete guide to possible side effects


Patients receiving antibiotics and sulfonamides generally should not be treated with ganglion blockers.

The action of INVERSINE (mecamylamine) may be potentiated by anesthesia, other anti hypertensive drugs and alcohol.

Read the Inversine Drug Interactions Center for a complete guide to possible interactions

Last reviewed on RxList: 12/2/2008
This monograph has been modified to include the generic and brand name in many instances.

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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