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.
Do not use amiodarone if you are pregnant. Taking amiodarone during pregnancy can harm the unborn baby or cause thyroid problems or abnormal heartbeats after the baby is born. Amiodarone may also affect the child's growth or development (speech, movement, academic skills) later in life.