What is the maximum amount of nifedipine?
Maximum dosage is 180 mg/day PO; however, doses greater than 120 mg/day are rarely needed. Single dose maximum is 30 mg, unless using extended-release tablets. See adult dosage.
What is too much nifedipine?
The recommended dose range for nifedipine is 10 to 60 mg three or four times a day. A total daily dose above 180 mg is not recommended. The recommended dose range for the extended release form is 30 to 120 mg once a day. A total daily doses above 120 mg is not recommended.
Is 120 mg of nifedipine too much?
Dosage for hypertension (high blood pressure) The starting dose is 30 mg or 60 mg by mouth once per day. The dosage can be increased every 7 to 14 days until the maximum dosage of 90–120 mg per day is reached.
How much nifedipine can you take in a day?
Adults—At first, 30 or 60 milligrams (mg) once a day. Your doctor may increase your dose as needed. However, the dose is usually not more than 90 mg once a day.
Does nifedipine affect heart rate?
Nifedipine retard increased the heart rate of patients with ischemic heart disease only during the day and reduced parasympathetic activity.
Can you take two nifedipine?
Do not take more or less of it or take it more often than prescribed by your doctor. Swallow the extended-release tablets whole; do not split, chew, or crush them. Your doctor will probably start you on a low dose of nifedipine and gradually increase your dose, generally once every 7 to 14 days.
How long does it take for nifedipine ER to lower blood pressure?
It takes 1 to 2 weeks to see the full effects of nifedipine (Procardia XL). Let your provider know if you don’t see an improvement in your chest pain symptoms or blood pressure after a week.
Is 60 mg of nifedipine a lot?
For oral dosage form (extended-release tablets): Adults—At first, 30 or 60 milligrams (mg) once a day. Your doctor may increase your dose as needed. However, the dose is usually not more than 90 mg once a day.
How long does it take for nifedipine to kick in?
How quickly does nifedipine work? Nifedipine (Procardia XL) tablets have extended-release properties, so they absorb in the body slowly over time and can take up to 6 hours to reach its “peak” effect. The immediate-release capsule form of nifedipine is fast-acting and will start to have an effect within 30 minutes.