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DOSAGE AND ADMINISTRATION
The initial dose of Kerlone (betaxolol hydrochloride) in hypertension is ordinarily 10 mg once daily either alone or added to diuretic therapy. The full antihypertensive effect is usually seen within 7 to 14 days. If the desired response is not achieved the dose can be doubled after 7 to 14 days. Increasing the dose beyond 20 mg has not been shown to produce a statistically significant additional antihypertensive effect; but the 40-mg dose has been studied and is well tolerated. An increased effect (reduction) on heart rate should be anticipated with increasing dosage. If monotherapy with Kerlone (betaxolol hydrochloride) does not produce the desired response, the addition of a diuretic agent or other antihypertensive should be considered (see, DRUG INTERACTIONS).
Dosage adjustments for specific patients
Patients with renal failure: In patients with renal impairment, clearance of betaxolol declines with decreasing renal function.
In patients with severe renal impairment and those undergoing dialysis the initial dose of Kerlone (betaxolol hydrochloride) is 5 mg once daily. If the desired response is not achieved, dosage may be increased by 5 mg/day increments every 2 weeks to a maximum dose of 20 mg/day.
Patients with hepatic disease: Patients with hepatic disease do not have significantly altered clearance. Dosage adjustments are not routinely needed.
Elderly patients: Consideration should be given to reduction in the starting dose to 5 mg in elderly patients. These patients are especially prone to beta-blocker-induced bradycardia, which appears to be dose related and sometimes responds to reductions in dose.
Cessation of therapy: If withdrawal of Kerlone (betaxolol hydrochloride) therapy is planned, it should be achieved gradually over a period of about 2 weeks. Patients should be carefully observed and advised to limit physical activity to a minimum.
Kerlone (betaxolol hydrochloride) 10-mg tablets are round, white, film coated, with KERLONE (betaxolol hydrochloride) 10 debossed on one side and scored on the other, supplied as:
|0025-5101-31||bottle of 100|
Kerlone (betaxolol hydrochloride) 20-mg tablets are round, white, film coated, with KERLONE (betaxolol hydrochloride) 20 debossed on one side and β on the other, supplied as:
|0025-5201-31||bottle of 100|
Store at controlled room temperature 15° - 25°C (59° - 77°F)
Manufactured for: sanofi-aventis U.S. LLC Bridgewater, NJ 08807. Revised September 2008.
Last reviewed on RxList: 7/28/2009
This monograph has been modified to include the generic and brand name in many instances.
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