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Inderal LA is indicated in the management of hypertension. It may be used alone or used in combination with other antihypertensive agents, particularly a thiazide diuretic. Inderal LA is not indicated in the management of hypertensive emergencies.
Angina Pectoris Due To Coronary Atherosclerosis
Inderal LA is indicated for the prophylaxis of common migraine headache. The efficacy of propranolol in the treatment of a migraine attack that has started has not been established, and propranolol is not indicated for such use.
Hypertrophic Subaortic Stenosis
DOSAGE AND ADMINISTRATION
Inderal® LA provides propranolol hydrochloride in a sustained-release capsule for administration once daily. If patients are switched from Inderal Tablets to Inderal LA Capsules, care should be taken to assure that the desired therapeutic effect is maintained. Inderal LA should not be considered a simple mg-for-mg substitute for Inderal. Inderal LA has different kinetics and produces lower blood levels. Retitration may be necessary, especially to maintain effectiveness at the end of the 24-hour dosing interval.
The usual initial dosage is 80 mg Inderal LA once daily, whether used alone or added to a diuretic. The dosage may be increased to 120 mg once daily or higher until adequate blood pressure control is achieved. The usual maintenance dosage is 120 to 160 mg once daily. In some instances a dosage of 640 mg may be required. The time needed for full hypertensive response to a given dosage is variable and may range from a few days to several weeks.
Starting with 80 mg Inderal LA once daily, dosage should be gradually increased at three- to seven-day intervals until optimal response is obtained. Although individual patients may respond at any dosage level, the average optimal dosage appears to be 160 mg once daily. In angina pectoris, the value and safety of dosage exceeding 320 mg per day have not been established.
If treatment is to be discontinued, reduce dosage gradually over a period of a few weeks (see WARNINGS).
The initial oral dose is 80 mg Inderal LA once daily. The usual effective dose range is 160 to 240 mg once daily. The dosage may be increased gradually to achieve optimal migraine prophylaxis. If a satisfactory response is not obtained within four to six weeks after reaching the maximal dose, Inderal LA therapy should be discontinued. It may be advisable to withdraw the drug gradually over a period of several weeks depending on the patient's age, comorbidity, and dose of Inderal LA.
Hypertrophic Subaortic Stenosis
The usual dosage is 80 to 160 mg Inderal LA once daily.
Inderal® LA Capsules (propranolol hydrochloride)
Each white/light-blue capsule, identified by 3 narrow bands, 1 wide band, and “INDERAL LA 60,” contains 60 mg of propranolol hydrochloride in bottles of 100 (NDC 24090-470-88).
Each light-blue capsule, identified by 3 narrow bands, 1 wide band, and “INDERAL LA 80,” contains 80 mg of propranolol hydrochloride in bottles of 100 (NDC 24090-471-88).
Each light-blue/dark-blue capsule, identified by 3 narrow bands, 1 wide band, and “INDERAL LA 120,” contains 120 mg of propranolol hydrochloride in bottles of 100 (NDC 24090-473-88).
Each dark-blue capsule, identified by 3 narrow bands, 1 wide band, and “INDERAL LA 160,” contains 160 mg of propranolol hydrochloride in bottles of 100 (NDC 24090-479-88).
Store at 20° to 25°C (68° to 77°F); excursions permitted to 15° to 30°C (59° to 86°F). [See USP Controlled Room Temperature]
Protect from light, moisture, freezing, and excessive heat.
Dispense in a tight, light-resistant container as defined in the USP.
Manufactured By: Wyeth Pharmaceuticals, Inc., a subsidiary of Pfizer, Inc. Philadelphia, PA 19101. Revised: Nov 2015This monograph has been modified to include the generic and brand name in many instances.
Last reviewed on RxList: 9/6/2016
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