ALDACTONE (Spironolactone Tablets, USP) 5 Overdosage

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Symptoms: There have been no reports of fatal overdose in man (except indirectly through hyperkalemia). Nausea and vomiting occur, and (much more rarely) drowsiness, dizziness, mental confusion, diarrhea, or a maculopapular or erythematous rash. These manifestations disappear promptly on discontinuation of medication. Hyperkalemia may be exacerbated.

Treatment: No specific antidote. No persistent toxicity has occurred or is expected. Inducing vomiting and evacuating the stomach by lavage could be considered. Spironolactone use should be discontinued and potassium intake (including dietary sources) restricted.

For management of a suspected drug overdose, contact your regional poison control centre.