Zestoretic (Lisinopril and Hydrochlorothiazide) Drug Information: Overdosage and Contraindications

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May 27, 2012

Zestoretic

Diabetes (Type 1 and Type 2) »

Diabetes facts

Diabetes is a chronic condition associated with abnormally high levels of sugar (glucose) in the blood.
Insulin produced by the pancreas lowers blood glucose.
Absence or insufficient production of insulin causes diabetes.
The two types of diabetes are referred to as type 1 (insulin dependent) and type 2 (non-insulin dependent).
Symptoms of diabetes include increased urine output, thirst and hunger as well as fatigue.
Diabetes is diagnosed by blood sugar (glucose) testing.
The major complications of diabetes are both acute and chronic.
- Acutely: dangerously elevated blood sugar, abnormally low blood sugar due to diabetes medications may occur.
- Chronically: disease of the blood vessels (both small and large) which can damage the eye, kidneys, nerves, and heart may occur
Diabetes treatment depends...

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OVERDOSE

No specific information is available on the treatment of overdosage with ZESTORETIC. Treatment is symptomatic and supportive. Therapy with ZESTORETIC should be discontinued and the patient observed closely. Suggested measures include induction of emesis and/or gastric lavage, and correction of dehydration, electrolyte imbalance and hypotension by established procedures.

Lisinopril

Following a single oral dose of 20 g/kg no lethality occurred in rats and death occurred in one of 20 mice receiving the same dose. The most likely manifestation of overdosage would be hypotension, for which the usual treatment would be intravenous infusion of normal saline solution.

Lisinopril can be removed by hemodialysis (see WARNINGS, Anaphylactoid Reaction During Membrane Exposure).

Hydrochlorothiazide

Oral administration of a single oral dose of 10 g/kg to mice and rats was not lethal. The most common signs and symptoms observed are those caused by electrolyte depletion (hypokalemia, hypochloremia, hyponatremia) and dehydration resulting from excessive diuresis. If digitalis has also been administered, hypokalemia may accentuate cardiac arrhythmias.

CONTRAINDICATIONS

ZESTORETIC is contraindicated in patients who are hypersensitive to this product and in patients with a history of angioedema related to previous treatment with an angiotensin-converting enzyme inhibitor and in patients with hereditary or idiopathic angioedema. Because of the hydrochlorothiazide component, this product is contraindicated in patients with anuria or hypersensitivity to other sulfonamide-derived drugs.

Last reviewed on RxList: 4/12/2012
This monograph has been modified to include the generic and brand name in many instances.