Verapamil

Effects and efficacy: Verapamil can be used orally to treat the following diseases: Angina: variant angina, unstable angina, chronic stable angina. Essential hypertension. Arrhythmia: used in combination with digoxin to control the ventricular rate in chronic atrial fibrillation and (or) atrial flutter; prevent recurrent paroxysmal supraventricular tachycardia; atrial premature contraction. Hypertrophic cardiomyopathy. Verapamil can be used intravenously to treat the following diseases: conversion of rapid paroxysmal supraventricular tachycardia, vagus nerve inhibition techniques (such as Valsalva technique) should be used before using this drug. Temporary control of ventricular rate in atrial flutter or atrial fibrillation, except when atrial flutter or atrial fibrillation is combined with atrioventricular bypass pathways (preexcitation syndrome and LGL syndrome).
Usage and dosage:
Tablets for arrhythmia: used for atrial fibrillation (using digitalis), 240-320 mg per day. Oral administration in 3-4 times; for the prevention of paroxysmal supraventricular tachycardia (without digitalis), 240-480 mg per day, divided into 3-4 times. The dosage should be adjusted according to the individual situation of the patient, and the maximum daily dose is 480 mg. Please follow the doctor’s advice for details. Sustained-release capsules: Oral administration, the initial dose is 120 mg (or 180 mg) once a day, and it can be gradually increased to 120 mg (or 180 mg) once a day, twice a day, or 240 mg once a day, once a day, according to needs and tolerance. The maximum daily dose is 480 mg. Please follow the doctor’s advice for details. Intravenous injection: Usually the first dose is 5-10 mg (or 0.075-0.15 mg/kg). If the effect is not good, another 5-10 mg (or 0.15 mg/kg) can be given 15-30 minutes after the first dose. Please follow the doctor’s advice for details. Intravenous drip: 5-10 mg per hour, added to sodium chloride injection or 5% glucose injection for intravenous drip, the maximum daily dose is 50-100 mg. Please follow your doctor’s advice for details. Tablets for angina pectoris: Oral administration, 80-120 mg once, 3 times a day. About 8 hours after taking the medicine, decide whether to increase the dose according to the efficacy and safety assessment. Adjust the dose to achieve individualized treatment. The maximum daily dose is 480 mg. Sustained-release capsules: Oral administration, the initial dose is 120 mg (or 180 mg) once a day, and it can be gradually increased to 120 mg (or 180 mg) once a day, twice a day or 240 mg once a day according to needs and tolerance. The maximum daily dose is 480 mg. Please follow your doctor’s advice for details. Tablets for primary hypertension: The initial dose is 80 mg once a day, 3 times a day. The dosage is adjusted according to the individualized situation of the patient, and the maximum daily dose is 480 mg. Please follow your doctor’s advice for details. Sustained-release tablets: The initial dose is 180 mg once a day, taken in the morning. Gradually adjust the dosage according to the treatment effect, and the increase in dosage should be carried out 24 hours after the previous dose; the daily safe dose of this product for long-term use does not exceed 480 mg/day. Please follow your doctor’s advice for details. Sustained-release capsules: Oral administration, the initial dose is 120 mg (or 180 mg) once a day, which can be gradually increased to 120 mg (or 180 mg) twice a day or 240 mg once a day according to needs and tolerance, and the maximum daily dose is 480 mg. Please follow the doctor’s advice for details. Sustained-release capsules for hypertrophic cardiomyopathy: Oral administration, the initial dose is 120 mg (or 180 mg) once a day, which can be gradually increased to 120 mg (or 180 mg) twice a day or 240 mg once a day according to needs and tolerance, and the maximum daily dose is 480 mg. Please follow the doctor’s advice for details. Note: Do not chew when taking verapamil sustained-release tablets and sustained-release capsules, and it is best to take them during or after meals. Those with difficulty swallowing can open the capsule and take the medicine directly.
Drug contraindications:
Allergy to this product is prohibited in early pregnancy. It is prohibited to use with liver and kidney dysfunction. Use with caution when drinking. Use with caution when driving.
Related dosage forms:
Tablets, sustained-release tablets, sustained-release capsules, injection