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There have been no reports of serious deleterious effects from overdose. Symptoms that may occur in this case are nausea, vomiting and slight vaginal bleeding. There are no antidotes and further treatment should be symptomatic.
Drospirenone however is a spironolactone analogue which has antimineralocorticoid properties. Serum potassium and sodium, and evidence of metabolic acidosis, should be monitored in cases of overdose.
