Bretylium
Bretylium injection
What is bretylium injection?
BRETYLIUM (Bretylol®) is an antiarrhythmic agent. Bretylium can help to correct a dangerously fast heartbeat (tachycardia) in emergency or critical care situations.
NOTE: This drug is discontinued in the United States.
What should my health care professional know before I receive bretylium?
They need to know if you have any of these conditions:
other heart problems
kidney disease
an unusual or allergic reaction to bretylium, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
How should I use this medicine?
Bretylium is for injection into a muscle or injection or infusion into a vein. It is given by a health-care professional in a hospital or clinic setting.
What if I miss a dose?
This does not apply.
What drug(s) may interact with bretylium?
arsenic trioxide
astemizole
bepridil
certain antibiotics (such as clarithromycin, erythromycin, gatifloxacin, grepafloxacin, levofloxacin, moxifloxacin, sparfloxacin)
cisapride
digoxin
ginger
guanethidine
hawthorn
medicines for colds or breathing difficulties (including asthma)
medicines for mental depression such as tricyclic antidepressants
medicines for mental problems or psychotic disturbances
medicines to control heart rhythm
pimozide
probucol
some medicines for weight control or dieting
terfenadine
Tell your prescriber or health care professional about all other medicines you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your health care professional before stopping or starting any of your medicines.
What should I watch for while taking bretylium?
You may get dizzy; to avoid a sudden drop in blood pressure and fainting spells, do not stand or sit up quickly, especially if you are an older person, until you know how bretylium affects you.
What side effects may I notice from receiving bretylium?
Side effects that you should report to your prescriber or health care professional as soon as possible:
chest pain
difficulty breathing
dizziness, faintness, or lightheadedness
fever
nausea, vomiting
slow, fast, or irregular heartbeat
Side effects that usually do not require medical attention (report to your prescriber or health care professional if they continue or are bothersome):
diarrhea
headache
hiccups
skin rash
stomach pain
Where can I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused injection solution.
Updated:  
March 21, 2017
Sources:  
U.S. FDA-approved Package Insert