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Byetta (Exenatide Injection) - Drug Interactions, Contraindications, Overdosage, etc



Drug Interactions


Coadministration of repeated doses of BYETTA (10 mcg BID) decreased the Cmax of oral digoxin (0.25 mg QD) by 17% and delayed the Tmax by approximately 2.5 h; however, the overall steady-state pharmacokinetic exposure (AUC) was not changed.


In a clinical study of BYETTA, three patients with type 2 diabetes each experienced a single overdose of 100 mcg SC (10 times the maximum recommended dose). Effects of the overdoses included severe nausea, severe vomiting, and rapidly declining blood glucose concentrations. One of the three patients experienced severe hypoglycemia requiring parenteral glucose administration. The three patients recovered without complication. In the event of overdose, appropriate supportive treatment should be initiated according to the patient’s clinical signs and symptoms.


BYETTA is contraindicated in patients with known hypersensitivity to exenatide or to any of the product components.

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