Diltiazem

Doctors sometimes prescribe Cardizem for loss of circulation in the fingers and toes
(Raynaud’s phenomenon), for involuntary movements (tardive dyskinesia), and to prevent heart attack. 

Tiazac and Dilacor XR are used in the treatment of high blood pressure and chronic stable angina. They may be taken alone or combined with other blood pressure medications. 

ADULTS

Dosage levels are determined by each individual’s needs. 

Cardizem 
The average daily dosage is between 120 milligrams and 360 milligrams, divided into 3 or 4 smaller doses. 

Cardizem SR 
The recommended starting dosage is 60 to 120 milligrams 2 times a day, and can be increased to 240 to 360 milligrams a day.
 
Cardizem CD 
This is a once-a-day form of this drug. For high blood pressure, starting doses range from 180 to 240 milligrams with a maximum of 360mg; for angina, 120 to 180 milligrams with a maximum of 480mg. 

Dilacor XR 
This is another once-a-day drug. For high blood pressure, doses start at 180 to 240 milligrams and may be increased to as much as 540 milligrams. For angina, doses start at 120 milligrams and may be increased to 480 milligrams. 

Tiazac 
The usual starting dose for high blood pressure is 120 to 240 milligrams once a day. After the drug has taken effect—in about 2 weeks—the dose can range from 120 to 540 milligrams. For angina, once-daily doses start at 120 to 180 milligrams and may be increased to 540 milligrams if necessary. 

CHILDREN

Safety and effectiveness in children have not been established.

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