You should not use verapamil if you have a serious heart condition such as "sick sinus syndrome" or "AV block" (unless you have a pacemaker), severe heart failure, Wolff-Parkinson-White, Lown-Ganong-Levine syndrome, or slow heartbeats that have caused you to faint.
Before taking this medicine
You should not use verapamil if you are allergic to it, or if you have a serious heart condition such as:
"sick sinus syndrome" or "AV block" (unless you have a pacemaker);
very low blood pressure; or
if your heart cannot pump blood properly.
You may not be able to use verapamil if you have:
severe congestive heart failure;
certain heart rhythm disorders (such as "Afib," Wolff-Parkinson-White syndrome, Lown-Ganong-Levine syndrome);
a heart condition that causes you to have very rapid heartbeats; or
if you are receiving an intravenous beta-blocker (such as atenolol, metoprolol, or propranolol).
To make sure verapamil is safe for you, tell your doctor if you have ever had:
congestive heart failure;
kidney disease;
liver disease; or
a nerve-muscle disorder such as myasthenia gravis or muscular dystrophy.
It is not known whether verapamil will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.
You should not breastfeed while using this medicine.
Verapamil oral is not approved for use by anyone younger than 18 years old.
