* Generic Name: propafenone
* Brand Name: Rythmol
* What is propafenone (Rythmol, Rythmol SR)?
* What are the possible side effects of propafenone (Rythmol,
Rythmol SR)?
* What is the most important information I should know about
propafenone (Rythmol, Rythmol SR)?
* What should I discuss with my healthcare provider before taking
propafenone (Rythmol, Rythmol SR)?
* How should I take propafenone (Rythmol, Rythmol SR)?
* What happens if I miss a dose (Rythmol, Rythmol SR)?
* What happens if I overdose (Rythmol, Rythmol SR)?
* What should I avoid while taking propafenone (Rythmol, Rythmol
SR)?
* What other drugs will affect propafenone (Rythmol, Rythmol SR)?
* Where can I get more information (Rythmol, Rythmol SR)?
What is propafenone (Rythmol, Rythmol SR)?
Propafenone is in a group of drugs called Class IC
anti-arrhythmics. It affects the way your heart beats.
Propafenone is used in certain situations to prevent serious heart
rhythm disorders.
Propafenone may also be used for purposes not listed in this medication
guide.
What are the possible side effects of propafenone (Rythmol, Rythmol SR)?
Get emergency medical help if you have any of these signs of an
allergic reaction: hives; difficulty breathing; swelling of your face,
lips, tongue, or throat.
Call your doctor at once if you have:
* shortness of breath (even with mild exertion), swelling, rapid
weight gain;
* headache with chest pain and severe dizziness, fainting, fast
or pounding heartbeats;
* sudden weakness or ill feeling, fever, chills, sore throat,
mouth sores, red or swollen gums, trouble swallowing;
* confusion, unusual thoughts or behavior;
* seizure; or
* slow heart rate, weak pulse, fainting, slow breathing
(breathing may stop).
Common side effects may include:
* irregular heartbeats;
* nausea, vomiting, constipation;
* headache, dizziness, tired feeling; or
* unusual or unpleasant taste in your mouth.
This is not a complete list of side effects and others may occur. Call
your doctor for medical advice about side effects. You may report side
effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about propafenone
(Rythmol, Rythmol SR)?
You should not use this medication if you have untreated or
uncontrolled congestive heart failure, a heart condition called
"sick sinus syndrome" or "AV block" (unless you have a
pacemaker), slow heartbeats or severely low blood pressure, an
electrolyte imbalance, a breathing disorder such as asthma, or
if you have recently had a heart attack.
Propafenone may cause a new or worsening heartbeat pattern. Call your
doctor at once if you have a headache and chest pain with severe
dizziness, fainting, and fast or pounding heartbeats.
Rythmol Patient Information including How Should I Take
Heart Disease:The No. 1 Killer in the U.S.
Heart Disease Slideshow Pictures
RxList
Medical Illustrations of the Heart Image Collection
RxList
Take the Heart Disease Quiz!
What should I discuss with my healthcare provider before taking propafenone
(Rythmol, Rythmol SR)?
You should not use propafenone if you are allergic to it, or if you
have:
* heart failure, or if you have recently had a heart attack;
* a genetic heart condition, especially a certain heart rhythm
disorder called Brugada syndrome;
* a serious heart condition such as "sick sinus syndrome" or "AV
block" (unless you have a pacemaker);
* severe low blood pressure, or history of slow heart beats that have
caused you to faint;
* a severe or uncontrolled electrolyte imbalance (such as low levels
of potassium in your blood); or
* a breathing disorder such as severe COPD (chronic
obstructive pulmonary disease).
To make sure propafenone is safe for you, tell your doctor if you have:
* heart disease or prior heart attack;
* a breathing disorder;
* liver or kidney disease;
* lupus;
* myasthenia gravis; or
* if you have ever had an abnormal blood test called Antinuclear
Antibody Test or ANA.
It is not known whether propafenone will harm an unborn baby. Tell your
doctor if you are pregnant.
This medicine may affect fertility (ability to have children) in men.
Talk with your doctor if you have concerns about this risk.
Propafenone can pass into breast milk and may harm a nursing baby. You
should not breast-feed while using this medicine.
How should I take propafenone (Rythmol, Rythmol SR)?
Follow all directions on your prescription label. Your doctor may
occasionally change your dose to make sure you get the best results. Do
not take this medicine in larger or smaller amounts or for longer than
recommended.
You may take propafenone with or without food.
Your heart function may need to be checked with an electrocardiograph
or ECG (sometimes called an EKG), before and during treatment with
propafenone.
You may have very low blood pressure while taking this medication. Call
your doctor if you are sick with vomiting or diarrhea, extreme
thirst, loss of appetite, or if you are sweating more than
usual.
While using propafenone, you may need frequent blood tests.
Store at room temperature away from moisture, heat, and light. Keep the
bottle tightly closed when not in use.
Rythmol Patient Information including If I Miss a Dose
Heart Disease:The No. 1 Killer in the U.S.
Heart Disease Slideshow Pictures
RxList
Medical Illustrations of the Heart Image Collection
RxList
Take the Heart Disease Quiz!
What happens if I miss a dose (Rythmol, Rythmol SR)?
Take the missed dose as soon as you remember. Skip the missed dose if
it is almost time for your next scheduled dose. Do not take extra
medicine to make up the missed dose.
What happens if I overdose (Rythmol, Rythmol SR)?
Seek emergency medical attention or call the Poison Help line at
1-800-222-1222.
What should I avoid while taking propafenone (Rythmol, Rythmol SR)?
Grapefruit and grapefruit juice may interact with propafenone and
lead to unwanted side effects. Avoid the use of grapefruit products
while taking propafenone.
What other drugs will affect propafenone (Rythmol, Rythmol SR)?
Many drugs can interact with propafenone. Not all possible interactions
are listed here. Tell your doctor about all your current medicines and
any you start or stop using, especially:
* isoniazid;
* nefazodone;
* orlistat (alli, Xenical);
* warfarin (Coumadin, Jantoven);
* an antibiotic--ciprofloxacin, clarithromycin, enoxacin,
telithromycin;
* an antidepressant--bupropion (Wellbutrin), fluoxetine
(Prozac), paroxetine (Paxil);
* antifungal medicine--itraconazole, ketoconazole, posaconazole,
voriconazole;
* heart medication--digoxin, nicardipine, lidocaine,
quinidine; or
* antiviral medicine to treat hepatitis C or HIV/AIDS--atazanavir,
boceprevir, cobicistat, delavirdine, fosamprenavir, indinavir,
nelfinavir, ritonavir, saquinavir.
This list is not complete and many other drugs can interact with
propafenone. This includes prescription and over-the-counter medicines,
vitamins, and herbal products. Give a list of all your medicines to any
healthcare provider who treats you.
Where can I get more information (Rythmol, Rythmol SR)?
Your pharmacist can provide more information about propafenone.
__________________________________________________________________
Remember, keep this and all other medicines out of the reach of
children, never share your medicines with others, and use this
medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by
Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete,
but no guarantee is made to that effect. Drug information contained
herein may be time sensitive. Multum information has been compiled for
use by healthcare practitioners and consumers in the United States and
therefore Multum does not warrant that uses outside of the United
States are appropriate, unless specifically indicated otherwise.
Multum's drug information does not endorse drugs, diagnose patients or
recommend therapy. Multum's drug information is an informational
resource designed to assist licensed healthcare practitioners in caring
for their patients and/or to serve consumers viewing this service as a
supplement to, and not a substitute for, the expertise, skill,
knowledge and judgment of healthcare practitioners. The absence of a
warning for a given drug or drug combination in no way should be
construed to indicate that the drug or drug combination is safe,
effective or appropriate for any given patient. Multum does not assume
any responsibility for any aspect of healthcare administered with the
aid of information Multum provides. The information contained herein is
not intended to cover all possible uses, directions, precautions,
warnings, drug interactions, allergic reactions, or adverse effects. If
you have questions about the drugs you are taking, check with your
doctor, nurse or pharmacist.
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