Nexterone Uses

How Does It Work?

Nexterone belongs to a group of medications known as antiarrhythmics. Most antiarrhythmic medications are further categorized using a system known as the Vaughn-Williams classification system. This system divides the medications into four general classes based on how they work.
 
Nexterone is considered a Class III antiarrhythmic; however, it has properties of all four classes and therefore works in several different ways. The most important way it works is by its Class III antiarrhythmic actions.
 
Class III antiarrhythmic medications block potassium channels in the heart, preventing potassium from leaving the cells of the heart muscle. This action prolongs the heart's refractory period, which is the period of time heart cells will not respond to a new electrical signal. By extending the refractory period, Nexterone helps the heart tissue resist any electrical signal that is trying to come through prematurely.
 

Is It Safe for Children to Use Nexterone?

This medication has not been shown to be safe or effective in children, and is not approved for use in this age group. Talk to your child's healthcare provider about the risks and benefits of using Nexterone in children.
 

Can Older Adults Use It?

There were not enough older adults in Nexterone clinical studies to determine whether older adults will respond to this medication any differently than younger age groups. Because older adults are more likely to have other medical conditions that may increase their risk for certain Nexterone side effects, they may need to be started on lower doses and monitored more carefully.
 

Off-Label Uses for Nexterone

On occasion, your healthcare provider may recommend this medication for treating something other than the conditions discussed in this article. This is called an "off-label" use. Nexterone may be prescribed off-label to treat:
 
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Nexterone Medication Information

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