Methadose
Generic Name: methadone (METH a done)
Brand Names: Diskets, Dolophine, Methadose
What is Methadose (methadone)?
Methadone is a narcotic pain reliever, similar to morphine. Methadone also reduces
withdrawal symptoms in people addicted to heroin or other narcotic drugs without causing the
"high" associated with the drug addiction.
Methadone is used as a pain reliever and as part of drug addiction detoxification and
maintenance programs.
Methadone may also be used for purposes other than those listed in this medication guide.
What is the most important information I should know about Methadose (methadone)?
Taking methadone improperly will increase your risk of serious side
effects or death. Even if you have used other narcotic medications, you may still have
serious side effects from methadone. Follow all dosing instructions carefully.
Like other narcotic medicines, methadone can slow your breathing, even long after the
pain-relieving effects of the medication wear off. Death may occur if breathing becomes too
weak. Never use more methadone than your doctor has prescribed. Call
your doctor if you think the medicine is not working.
Do not stop using methadone suddenly, or you could have unpleasant withdrawal
symptoms. Talk to your doctor about how to avoid withdrawal symptoms when stopping the
medication.
Do not drink alcohol while you are taking methadone. Dangerous side effects or
death can occur when alcohol is combined with methadone. Check your food and medicine
labels to be sure these products do not contain alcohol.
Methadone can cause side effects that may impair your thinking or reactions. Be
careful if you drive or do anything that requires you to be awake and alert.
What should I discuss with my healthcare provider before using Methadose (methadone)?
Taking methadone improperly will increase your risk of serious side
effects or death. Even if you have used other narcotic medications, you may still have
serious side effects from methadone. Follow all dosing instructions carefully.
Methadone may be habit-forming and should be used only by the person it
was prescribed for. Methadone should never be given to another person, especially
someone who has a history of drug abuse or addiction. Keep the medication in a secure place
where others cannot get to it.
Do not use this medication if you have ever had an allergic reaction to a narcotic
medicine (examples include codeine, morphine, Oxycontin, Darvocet, Percocet, Vicodin, Lortab,
and many others). You should also not take methadone if you are having an asthma attack or if
you have a bowel obstruction called paralytic ileus.
Before taking methadone, talk to your doctor if you have:
-
a personal or family history of "Long QT syndrome";
-
asthma, COPD, sleep apnea, or other breathing disorders;
-
liver or kidney disease;
-
underactive thyroid;
-
curvature of the spine;
-
a history of head injury or brain tumor;
-
epilepsy or other seizure disorder;
-
low blood pressure;
-
gallbladder disease;
-
Addison's disease or other adrenal gland disorders;
-
enlarged prostate, urination problems;
-
mental illness; or
-
a history of drug or alcohol addiction.
FDA pregnancy category C. This medication may be harmful to
an unborn baby. It could also cause addiction or withdrawal symptoms in a newborn if the
mother takes methadone during pregnancy. Tell your doctor if you are pregnant or plan to
become pregnant during treatment.
Methadone can pass into breast milk and may harm a nursing baby. Do not use this
medication without telling your doctor if you are breast-feeding a baby.
Older adults and people with debilitating conditions may be more sensitive to the effects
of this medication.
How should I use Methadose (methadone)?
Use methadone exactly as it was prescribed for you. Do not use the medication in larger
amounts or for longer than recommended by your doctor. Follow the directions on your
prescription label.
Like other narcotic medicines, methadone can slow your breathing, even long after the
pain-relieving effects of the medication wear off. Death may occur if breathing becomes too
weak. Never use more methadone than your doctor has prescribed. Call
your doctor if you think the medicine is not working.
When methadone is used as part of a treatment program for drug addiction or
detoxification, you will receive the medication through a clinic or special pharmacy.
Your doctor may recommend that methadone be given to you by a family member or
other caregiver. This is to make sure you are using the medicine as it was prescribed as part of
your treatment.
Additional forms of counseling and/or monitoring may be recommended during treatment
with methadone.
Methadone is available in tablets, dispersible tablets, oral solution (liquid) and as an
injection. The pill and oral liquid forms of methadone must never be used to make a methadone
injection.
Measure the liquid form of methadone with a special dose-measuring spoon or cup, not a
regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.
The methadone dispersible tablet (Diskets) is made to be dissolved in water. Do not chew,
crush, or swallow the tablet whole. Place the tablet into a 4-ounce glass of water, orange juice, or
other citrus-flavored non-alcoholic beverage and allow the tablet to disperse in the liquid. The
tablet will not dissolve completely. Drink this mixture right away. To make sure you get the
entire dose, add a little more liquid to the same glass, swirl gently and drink right away.
Store methadone at room temperature away from moisture and heat.
Keep track of how much of this medicine has been used. Methadone is a drug of abuse
and you should be aware if any person in the household is using this medicine improperly or
without a prescription.
What happens if I miss a dose?
Use the medication as soon as you remember. If it is almost time for the next dose, skip
the missed dose and wait until your next regularly scheduled dose. Do not use
extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention if you think you have used too much of this medicine.An overdose of methadone can be fatal, especially if you take it with alcohol or
other narcotic medications.
Overdose symptoms may include extreme drowsiness, pinpoint pupils, confusion, cold
and clammy skin, weak pulse, shallow breathing, fainting, or breathing that stops.
What should I avoid while using Methadose (methadone)?
Do not drink alcohol while you are taking methadone. Dangerous side effects or
death can occur when alcohol is combined with methadone. Check your food and medicine
labels to be sure these products do not contain alcohol.
Methadone can cause side effects that may impair your thinking or reactions. Be
careful if you drive or do anything that requires you to be awake and alert.
Methadose (methadone) side effects
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 any of these serious side effects:
-
shallow breathing;
-
hallucinations or confusion; or
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fast or pounding heartbeats, chest pain, trouble breathing,
feeling light-headed, fainting.
Other, less serious side effects may be more likely to occur, such as:
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feeling anxious, nervous, or restless;
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sleep problems (insomnia);
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dizziness, drowsiness, or weakness;
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dry mouth, nausea, vomiting, diarrhea, constipation, loss of
appetite; or
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decreased sex drive, impotence, or difficulty having an
orgasm.
This list is not complete and other side effects may occur. Tell your
doctor about any unusual or bothersome side effect.
What other drugs will affect Methadose (methadone)?
Do not use methadone with other narcotic pain medications, sedatives, tranquilizers,
muscle relaxers, or other medicines that can make you sleepy or slow your breathing. Dangerous
side effects may result.
Do not use methadone with any of the following drugs without first talking to your
doctor:
-
a diuretic (water pill);
-
antibiotics such as azithromycin (Zithromax), ciprofloxacin
(Cipro), clarithromycin (Biaxin), erythromycin (E-Mycin, Ery-Tab), itraconazole (Sporanox),
ketoconazole (Nizoral), metronidazole (Flagyl) or voriconazole (Vfend);
-
heart or blood pressure medication such as diltiazem
(Cardizem, Dilacor, Tiazac) or verapamil (Calan, Covera, Isoptin, Verelan);
-
HIV medicines such as abacavir (Ziagen), amprenavir
(Agenerase), didanosine (Videx), efavirenz (Sustiva), lopinavir/ritonavir (Kaletra), nelfinavir
(Viracept), nevirapine (Viramune), ritonavir (Norvir), stavudine (Zerit), or zidovudine (Retrovir);
-
an MAO inhibitor such as isocarboxazid (Marplan),
tranylcypromine (Parnate), phenelzine (Nardil), or selegiline (Eldepryl, Emsam);
-
other narcotic medications such as pentazocine (Talwin),
nalbuphine (Nubain), buprenorphine (Subutex), or butorphanol (Stadol);
-
rifampin (Rifadin, Rimactane, Rifater); or
-
seizure medication such as phenobarbital (Luminal,
Solfoton) or phenytoin (Dilantin).
This list is not complete and there are many other
medicines that may cause serious medical problems if you take them together with
methadone. Tell your doctor about all the prescription and over-the-counter
medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by
other doctors. Do not start using a new medication without telling your doctor. Keep a list with
you of all the medicines you use and show this list to any doctor or other healthcare provider who
treats you.
Where can I get more information?
-
Your pharmacist can provide more information about methadone.
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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 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.
Copyright 1996-2006 Cerner Multum, Inc. Version: 2.04. Revision Date: 08/07/2007 4:00:55 PM.
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