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.
This medicine can cause dangerous side effects on your liver or your lungs. Call your doctor at once if you have: chest pain, trouble breathing, upper stomach pain, dark urine, jaundice (yellowing of the skin or eyes), or if you cough up blood. Do not use amiodarone without telling your doctor if you are pregnant.