Do not take this medicine with any of the following:

-cisapride
-disopyramide
-dofetilide
-grapefruit juice
-hawthorn
-pimozide
-red yeast rice
This medicine may also interact with the following medications:

-barbiturates, like phenobarbital
-cimetidine
-cyclosporine
-lithium
-local anesthetics or general anesthetics
-medicines for heart rhythm problems like amiodarone, digoxin, flecainide, procainamide, quinidine
-medicines for blood pressure or heart problems
-medicines for seizures like carbamazepine and phenytoin
-rifampin, rifabutin or rifapentine
-theophylline or aminophylline

They need to know if you have any of these conditions:

-brain tumor
-Duchenne muscular dystrophy
-heart disease
-heart failure
-irregular heartbeat or rhythm
-kidney disease
-liver disease
-low blood pressure
-an unusual or allergic reaction to verapamil, other drugs, foods, dyes or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Your condition will be monitored carefully while you are receiving this drug.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this drug affects you. Do not stand up or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.

This drug is given in a hospital or clinic. It will not be stored at home.