A variety 0f medication can affect the
normal impulses that cause the heart to beat.
One of the most common problems is an increase in the amount of time it
takes the heart to discharge and recharge that will show on an
electrocardiogram (EKG). When that
sequence, known as the QT interval, is prolonged, it can trigger arrhythmias,
fainting, and even death. The risk can
be increased by combining the drugs that cause this heart rhythm disturbance
with other medications or by taking an excessive dose. Women are more likely to have a problem than
men. Some of these drugs are also
available as generics. Call your doctor
immediately if you feel your heart is beating too quickly but do not stop
taking a drug without consulting your doctor first. Some drugs carry a risk of potentially fatal
arrhythmia, even when taking normal doses.
There are numerous other drugs that can prolong QT, or in people with
risk factors such as congenital long-QT syndrome. For a full list, go to qtdrugs.org.
Always check with you doctor regarding taking
any Drugs and Herbs.
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