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.
Get medical help right away if you have any very serious side effects, including: faster/slower/more irregular heartbeat, severe dizziness, fainting. Amiodarone may rarely cause thyroid problems. Either low thyroid function or overactive thyroid function may occur.