MEDICATION GUIDE
DARVON-N® [dar-von-N] (C-IV)
(propoxyphene napsylate)
Tablets
DARVON® [dar-von](C-IV)
(propoxyphene hydrochloride capsules)
Puvules®
Read this Medication Guide before you start taking Darvon-N or Darvon, and
each time you get a refill. There may be new information. This information does
not take the place of talking to your doctor about your medical condition or
your treatment.
What is the most important information I should know about
Darvon-N and Darvon?
Darvon-N and Darvon, and other medicines that contain
propoxyphene can cause serious side effects, including:
Overdoses by accident or on purpose (intentional
overdose). Overdoses with Darvon-N and Darvon may happen when it is taken
by itself, or with alcohol or other medicines that can also decrease your
breathing and make you very sleepy.
Take Darvon-N and Darvon exactly as prescribed. Do not
change your dose or stop taking Darvon-N or Darvon without first talking to your
doctor.
- If you take Darvon-N, do not take more than 6
tablets in one day.
- If you take Darvon, do not take more than 6 capsules
in one day.
- Before taking Darvon-N or Darvon, tell your doctor about all the medicines
you take. Darvon-N or Darvon and many other medicines may interact with each
other and may cause serious side effects. Certain medicines can affect how your
liver breaks down other medicines. See “What should I tell my doctor before
taking Darvon-N or Darvon?”
- Do not drink grapefruit juice or eat grapefruit while you take Darvon-N or
Darvon. Grapefruit juice may interact with Darvon-N or Darvon.
- Do not drink alcohol while using Darvon-N or Darvon. Using alcohol with
Darvon-N or Darvon may increase your risk of having dangerous side effects.
What are Darvon-N and Darvon?
- Darvon-N and Darvon are prescription medicines used to treat mild to
moderate pain.
- Darvon-N and Darvon are federally controlled substances (C-IV) because they
are strong opioid pain medicines that can be abused by people who abuse
prescription medicines or street drugs.
- Prevent theft, misuse or abuse. Keep Darvon-N or Darvon in a safe place to
protect it from being stolen. Darvon-N and Darvon can be a target for people who
misuse or abuse prescription medicines or street drugs.
- Never give Darvon-N or Darvon to anyone else, even if they have the same
symptoms that you have. It may harm them or even cause death. Selling or giving
away this medicine is against the law.
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It is not known if Darvon-N and Darvon are safe and effective in children
younger than age 18.
Who should not take Darvon-N or Darvon?
Do not take Darvon-N or Darvon if you:
- are allergic to propoxyphene. Ask your doctor if you are not sure. See the
end of this Medication Guide for a list of the ingredients in Darvon-N and
Darvon.
- are having an asthma attack or have severe asthma, trouble breathing, or
have a lung problem
- have a bowel blockage called paralytic ileus
What should I tell my doctor before taking Darvon-N or
Darvon?
Before you take Darvon-N or Darvon, tell your
doctor:
- if you have any of the conditions listed in the section “What is the most
important information I should know about Darvon-N and Darvon?”
- if you are allergic to propoxyphene
- if you plan to have surgery with general anesthesia
- if you are pregnant or plan to become pregnant.
- if you take Darvon-N or Darvon regularly before your baby is born, your
newborn baby may have withdrawal symptoms because their body has become used to
the medicine. Symptoms of withdrawal in a newborn baby may include:
- irritability
- crying more than usual)
- shaking (tremors
- jitteriness
- breathing faster than normal
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- diarrhea or more stools than normal
- vomiting
- fever
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- if you take Darvon-N or Darvon right before your baby is born, your baby
could have breathing problems.
- if you are breast-feeding or plan to breast-feed. Some Darvon-N or Darvon
passes into breast milk.
Tell your doctor about all the medicines you take, including prescription,
and non-prescription medicines, vitamins, and herbal supplements. Darvon-N and
Darvon interacts with many medicines and may lead to serious side effects. The
doses of certain medicines may need to be changed.
Especially tell your doctor if you take:
See “What is the most important information I should know
about Darvon-N and Darvon?”
- certain medicines that can affect how your liver breaks down other medicines
- a monoamine oxidase inhibitor (MAOI) medicine
- other medicines that make you sleepy, such as: other medicines for pain,
including other opioid medicines, anti-depressant medicines, sleeping pills,
anti-anxiety medicines, muscle relaxants, anti-nausea medicines, or
tranquilizers
- a blood pressure medicine
- a blood-thinner medicine. You may have an increased risk of bleeding while
also taking Darvon-N or Darvon.
Ask your doctor or pharmacist if you are not sure if your medicine is one
listed above.
Know the medicines you take. Keep a list of them to show to your doctor and
pharmacist when you get a new medicine.
How should I take Darvon-N or Darvon?
See “What is the most important information I should know
about Darvon-N and Darvon?”
- Take Darvon-N or Darvon exactly as prescribed.
- If you take too much Darvon-N or Darvon, or take it with alcohol or other
medicines, you may overdose. See “What is the most important information I
should know about Darvon-N or Darvon?” You will need medical help right away if
you think you have taken an overdose of Darvon-N or Darvon. A large overdose
could cause you to become unconscious and die.
Signs and symptoms of an overdose of Darvon-N or Darvon include:
- you are very sleepy or do not respond to others
- confusion
- have trouble breathing or stop breathing
- changes in blood pressure and heart rate
What are the possible side effects of Darvon-N and
Darvon?
Darvon-N and Darvon can cause serious side effects,
including:
See “What is the most important information I should know
about Darvon-N and Darvon?”
-
Serious breathing problems that can become
life-threatening. This is especially true if you already have a serious
lung or breathing problem, or your body is not used to opioid pain medicines.
This can happen even if you take Darvon-N or Darvon exactly as prescribed by
your doctor. Call your doctor or get medical help right away if:
- your breathing slows down
- you have shallow breathing (little chest movement with breathing)
- you feel faint, dizzy, confused, or
- you have any other unusual symptoms
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Darvon-N and Darvon can cause your blood pressure to
drop. This can make you feel dizzy and faint if you get up too fast from
sitting or lying down. Low blood pressure is also more likely to happen if you
take other medicines that can also lower your blood pressure. Severe low blood
pressure can happen if you lose blood or take certain other medicines.
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Sleepiness. Darvon-N and Darvon can cause sleepiness
and may affect your ability to make decisions, think clearly, or react quickly.
Do not drive, operate heavy machinery, or do other dangerous activities until
you know how Darvon-N or Darvon affects you.
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Darvon-N and Darvon can cause physical dependence if you
take it for more than a few weeks. Do not stop taking Darvon-N or Darvon
all of a sudden. You could become sick with uncomfortable withdrawal symptoms
(for example, nausea, vomiting, diarrhea, anxiety, and shivering) because your
body has become used to the medicine. Physical dependence is not the same as
drug addiction. Your doctor can tell you more about the differences between
physical dependence and drug addiction.
Tell your doctor if you have any of these withdrawal symptoms while you
slowly stop taking Darvon-N or Darvon. You may need to stop Darvon-N or Darvon
more slowly.
Common side effects of Darvon-N and Darvon
include:
- dizziness
- feeling sleepy
- nausea and vomiting
- constipation
- stomach area (abdominal) pain
- skin rashes
- lightheadedness
- headache
- weakness
- feeling of excitement (elation) or discomfort
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- seeing, hearing, or sensing things that are not really there
(hallucinations)
- blurred vision
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Call your doctor for medical advice about side effects. You may report side
effects to FDA at 1-800-FDA-1088.
You may also report side effects to Xanodyne Pharmaceuticals, Inc. at
1-877-773-7793.
How should I store Darvon-N and Darvon?
- Store Darvon-N between 59°F to 86°F (15°C to 30°C).
- Store Darvon between 68°F to 77°F (20°C to 25°C).
Keep Darvon-N, Darvon and all medicines out of the reach of
children.
General information about Darvon-N and Darvon
Medicines are sometimes prescribed for purposes other than those listed in a
Medication Guide. Do not use Darvon-N or Darvon for a purpose for which it was
not prescribed. Do not give Darvon-N or Darvon to others even if they have the
same symptoms you have. It may harm them and is against the law.
This Medication Guide summarizes the most important information about
Darvon-N and Darvon. If you would like more information, talk with your doctor.
You can ask your pharmacist or doctor for information about Darvon-N and Darvon
that is written for health professionals. For more information, go to
www.Xanodyne.com or call 1-877-773-7793.
What are the ingredients in Darvon-N and Darvon?
Darvon-N:
Active ingredient: propoxyphene napsylate
Inactive ingredients: cellulose, cornstarch, iron oxides, lactose, magnesium
stearate, silicon dioxide, stearic acid, and titanium dioxide
Darvon:
Active ingredient: propoxyphene hydrochloride
Inactive ingredients: D and C Red No. 33, FD and C Yellow No. 6, gelatin,
magnesium stearate, silicone, starch, titanium dioxide, and other inactive
ingredients
Xanodyne Pharmaceuticals, Inc.
Newport, KY 41071
Issued 09/2009
This Medication Guide has been approved by the U.S. Food and Drug
Administration.
Darvon, Darvon-N, Darvocet-N and Darvocet are registered trademarks of
Xanodyne Pharmaceuticals, Inc.
© 2009 Xanodyne Pharmaceuticals, Inc.
Marketed by:
Xanodyne Pharmaceuticals, Inc.
MG-510/512-A
Rev. 09/2009
Revised:
09/2009Xanodyne Pharmaceuticals, Inc.