Filgrastim, sold under the brand name Neupogen among others, is a medication used to treat low blood neutrophils due to a number of causes. This includes when it occurs following chemotherapy, radiation poisoning, HIV/AIDS, or is of unknown cause.
Bradycardia and heart block occur in 1 to 3 percent of patients receiving amiodarone. 2 Amiodarone-induced proarrhythmia occurs at an annual rate of less than 1 percent.
When you first start taking amiodarone, your doctor may put you on a higher dose (ranging from 800 to 1600 mg per day) for one to three weeks until your body starts to respond to the drug. Then, your dose may be decreased (ranging from 400 mg to 600 mg per day).miodarone may also be prescribed off-label for children to help treat irregular heartbeat. Amiodarone belongs to group of drugs known as anti-arrhythmics. There are four major classes of anti-arrhythmics, and amiodarone belongs to Class III.