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Atamet, Parcopa, Sinemet, Sinemet CR, |Atamet

Atamet

Generic Name: carbidopa and levodopa (oral) (kar bi DOE pa and lee voe DOE pa)
Brand Names: Atamet, Parcopa, Sinemet, Sinemet CR

What is carbidopa and levodopa?

Carbidopa and levodopa is a medication used to treat Parkinson"s disease. Parkinson"s disease is believed to be related to low levels of a chemical called dopamine (DOE pa meen) in the brain. Levodopa is turned into dopamine in the body. Carbidopa is used with levodopa to prevent the breakdown (metabolism) of levodopa before it can reach the brain and take effect.

Carbidopa and levodopa is used to treat the stiffness, tremors, spasms, and poor muscle control associated with Parkinson"s disease. This medication is also used to treat the same muscular conditions when they are caused by carbon monoxide and/or manganese intoxication.

Carbidopa and levodopa may also be used for purposes other than those listed in this medication guide.

What is the most important information I should know about carbidopa and levodopa?

What should I discuss with my healthcare provider before taking carbidopa and levodopa?

If you are already taking levodopa (Larodopa, Dopar), you will have to stop taking it at least 12 hours before you take your first dose of carbidopa and levodopa.

Do not take this medication if you have

• narrow-angle glaucoma (angle closure glaucoma), or

• current or past history of malignant melanoma (a type of skin cancer).

Before taking this medication, tell your doctor if you have:

• any kind of heart disease, including high blood pressure, arteriosclerosis (hardening of the arteries), a previous heart attack, or an irregular heartbeat;

• respiratory disease, including asthma and chronic obstructive pulmonary disease (COPD);

• liver disease;
• kidney disease;

• an endocrine (hormonal) disease;

• a stomach or intestinal ulcer;

• wide-angle glaucoma; or

• depression or any other psychiatric disorder.

You may not be able to take carbidopa and levodopa, or you may need a lower dose or special monitoring during treatment if you have any of the conditions listed above.

Parcopa 10/100 mg and 25/100 mg tablets each contain 3.4 mg of phenylalanine; Parcopa 25/250 mg tablet contains 8.4 mg of phenylalanine. Talk to your doctor if you have phenylketonuria or have a family history of phenylketonuria.

How should I take carbidopa and levodopa?

Carbidopa and levodopa can be taken with or without food.

Take carbidopa and levodopa exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.

Use dry hands to place Parcopa (carbidopa and levodopa orally disintegrating tablets) onto your tongue where it will dissolve in seconds and can then be swallowed. Parcopa can be taken with or without water.

The regular-release formulations can be broken or crushed to make them easier to swallow.

It is important to take carbidopa and levodopa regularly to get the most benefit.

What happens if I miss a dose?

Take the missed dose as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and only take your next regularly scheduled dose. Do not take a double dose of this medication.

What happens if I overdose?

Symptoms of a carbidopa and levodopa overdose include muscle spasms or weakness, spasms of the eyelid, nausea, vomiting, diarrhea, irregular heartbeat, confusion, agitation, hallucinations, and unconsciousness.

What should I avoid while taking carbidopa and levodopa?

Carbidopa and levodopa side effects

• an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives);

• uncontrolled movements of a part of your body;

• seizures;

• severe nausea, vomiting, or diarrhea;

• an irregular heartbeat or fluttering in your chest;

• unusual changes in mood or behavior; or

• depression or suicidal thoughts.

Other, less serious side effects may be more likely to occur. Continue to take carbidopa and levodopa and talk to your doctor if you experience

• mild nausea, vomiting, or decreased appetite;

• constipation, dry mouth, or blurred vision;

• hand tremor;

• muscle twitches;

• dizziness or drowsiness;

• insomnia, confusion, or nightmares;

• agitation or anxiety;

• darkening of your urine, sweat, or saliva; or

• fatigue.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What other drugs will affect carbidopa and levodopa?

You cannot take carbidopa and levodopa if you have taken a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), phenelzine (Nardil), or tranylcypromine (Parnate) in the past 14 days.

If you are already taking levodopa (Larodopa, Dopar) you will have to stop taking it at least 12 hours before you take your first dose of carbidopa and levodopa.

Before taking carbidopa and levodopa, tell your doctor if you are taking any of the following medicines:

• antacids;

• iron supplements or vitamin supplements containing iron;

• metoclopramide (Reglan);

• isoniazid (Nydrazid);

• phenytoin (Dilantin);

• a medicine to treat high blood pressure (hypertension);

• a tricyclic antidepressant such as amitriptyline (Elavil), doxepin (Sinequan), nortriptyline (Pamelor), desipramine (Norpramin), amoxapine (Asendin), and others; or

• a medicine used to treat psychiatric conditions (and nausea and vomiting) such as chlorpromazine (Thorazine), prochlorperazine (Compazine), promethazine (Phenergan), fluphenazine (Prolixin), mesoridazine (Serentil), thioridazine (Mellaril), trifluoperazine (Stelazine), or haloperidol (Haldol).

You may not be able to take carbidopa and levodopa, or you may require a dosage adjustment or special monitoring during treatment if you are taking any of the medicines listed above.

Levodopa may interfere with urine tests for sugar and ketones. If you are diabetic and notice changes in your urine test results, talk to your doctor before making any changes in your diabetes medication.

Drugs other than those listed here may also interact with carbidopa and levodopa. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines.

Where can I get more information?

• Your pharmacist has more information about carbidopa and levodopa written for health professionals that you may read.

What does my medication look like?

Carbidopa and levodopa is available with a prescription under the brand names Sinemet, Sinemet CR, and Atamet. Other brand or generic formulations may also be available. Ask your pharmacist any questions you have about this medication, especially if it is new to you.

The brands listed below are in carbidopa-levodopa strengths (mg).

• Sinemet 25-100--yellow, oval, scored tablets

• Sinemet 10-100--dark dappled-blue, oval, scored tablets

• Sinemet 25-250--light dappled-blue, oval, scored tablets

• Sinemet CR 50-200--peach-colored, oval, scored tablets

• Sinemet CR 25-100--pink, oval, scored tablets

• Atamet 25-100--mottled-yellow, round, scored tablets

• Atamet 25-250--mottled-blue, round, scored tablets

• 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.