Exforge HCT

Exforge HCT Overdosage

Manufacturer:

Novartis

Distributor:

Zuellig
Full Prescribing Info
Overdosage
Symptoms: There is no experience of overdose with Exforge HCT. The major symptom of overdose with valsartan is possibly pronounced hypotension with dizziness. Overdose with amlodipine may result in excessive peripheral vasodilation and, possibly, reflex tachycardia. Marked and potentially prolonged systemic hypotension, including shock with fatal outcome, have been reported with amlodipine.
Treatment: Amlodipine/Valsartan/Hydrochlorothiazide: Clinically significant hypotension due to Exforge HCT overdose calls for active cardiovascular support, including frequent monitoring of cardiac and respiratory function, elevation of extremities and attention to circulating fluid volume and urine output. A vasoconstrictor may be helpful in restoring vascular tone and blood pressure, provided that there is no contraindication to its use. Intravenous calcium gluconate may be beneficial in reversing the effects of calcium channel blockade.
Amlodipine: If ingestion is recent, induction of vomiting or gastric lavage may be considered. Administration of activated charcoal to healthy volunteers immediately or up to 2 hours after ingestion of amlodipine has been shown to significantly decrease amlodipine absorption.
Amlodipine is unlikely to be removed by haemodialysis.
Valsartan: Valsartan is unlikely to be removed by haemodialysis.
Hydrochlorothiazide: Overdose with hydrochlorothiazide is associated with electrolyte depletion (hypokalaemia, hypochloraemia) and hypovolaemia resulting from excessive diuresis. The most common signs and symptoms of overdose are nausea and somnolence. Hypokalaemia may result in muscle spasms and or accentuate arrhythmia associated with the concomitant use of digitalis glycosides or certain anti-arrhythmic medicinal products.
The degree to which hydrochlorothiazide is removed by haemodialysis has not been established.
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