Carbidopa/levodopa (By mouth)
Carbidopa (kar-bi-DOE-pa), Levodopa (lee-voe-DOE-pa)
Treats symptoms of Parkinson disease.
Parcopa, Sinemet 10-100, Sinemet 25-100, Sinemet 25-250, Sinemet CRThere may be other brand names for this medicine.
When This Medicine Should Not Be Used:This medicine is not right for everyone. Do not use it if you had an allergic reaction to carbidopa or levodopa, or if you have narrow-angle glaucoma, skin lesions, or a history of skin cancer.
How to Use This Medicine:
Tablet, Dissolving Tablet, Long Acting Tablet
- Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.
- Disintegrating tablet: Make sure your hands are dry before you handle the tablet. Do not remove the tablet from the bottle until you are ready to take it. Place the tablet on the top of your tongue, where it will melt quickly.
- Sustained-release tablet: Swallow the tablet whole. Do not crush, break, or chew it.
- Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
- Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
Drugs and Foods to Avoid:
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Do not use this medicine if you have used an MAO inhibitor (MAOI) within the past 14 days.
- Some foods and medicines can affect how carbidopa/levodopa works. Tell your doctor if you are also using isoniazid, metoclopramide, papaverine, phenytoin, reserpine, risperidone, tetrabenazine, medicine to treat depression or mental illness, a phenothiazine medicine, or blood pressure medicine.
- Your body may not absorb carbidopa/levodopa as well if you eat a lot of foods high in protein, such as meat, fish, poultry, eggs, cheese, beans, or milk.
- Tell your doctor if you are using any mineral supplements or multivitamins with iron.
Warnings While Using This Medicine:
- Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, endocrine problems, lung or breathing problems (such as asthma), heart or blood vessel problems, heart rhythm problems, or a history of heart attack. Tell your doctor if you have wide-angle glaucoma, phenylketonuria (PKU), or a history of stomach ulcer or mental illness.
- This medicine may cause the following problems:
- Dyskinesia (trouble controlling movements)
- Neuroleptic malignant syndrome (NMS)
- An increased risk for skin cancer
- Unusual changes in thoughts or behavior, such as the urge to gamble or an increased sex drive
- If you are already taking levodopa, stop taking it at least 12 hours before starting treatment with carbidopa/levodopa combination.
- This medicine may make you dizzy or drowsy. Do not drive or do anything could be dangerous until you know how this medicine affects you.
- This medicine might cause your saliva, sweat, or urine to become dark red, brown, or black. This is nothing to worry about, but it could stain your clothes.
- Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.
- Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.
- Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
Possible Side Effects While Using This Medicine:
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Chest pain, trouble breathing, fast or uneven heartbeat
- Fever, sweating, confusion, or muscle stiffness
- Jerky muscle movement you cannot control (often in your face, tongue, or jaw)
- Lightheadedness, dizziness, or fainting
- Unusual behavior, mood changes, seeing or hearing things that are not there, or thoughts of hurting yourself
If you notice these less serious side effects, talk with your doctor:
- Changes in sexual desire
- Dizziness, drowsiness, or sleepiness
- Pink or red urine, dark sweat or saliva, or heavy sweating
If you notice other side effects that you think are caused by this medicine, tell your doctor
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088
Last Updated: 11/4/2014
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