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.
Use with this medicine may cause nervousness, shakiness, and fast heartbeat. ... If you are taking a blood thinner, check blood work (prothrombin time/INR). Talk with healthcare provider. ... Use with this medicine may cause nervousness, shakiness, and fast heartbeat.