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.
Intravenously administered amiodarone causes heart block or bradycardia in 4.9 percent of patients and hypotension in 16 percent. 2 If these conditions occur, infusion of the drug should be discontinued, or the rate of infusion should be reduced.
The Side Effects of Amiodarone. The side effects of amiodarone often take weeks or months (or even years) to develop, so anyone taking this drug must be vigilant as long as the drug is used. Furthermore, the side effects of amiodarone tend to be very unusual for antiarrhythmic drugs - or for any drug, for that matter.