Available Dosage Forms:
Therapeutic Class: Antiparkinsonian
Pharmacologic Class: Dopamine Precursor
Levodopa is used alone or in combination with carbidopa to treat Parkinson's disease, sometimes referred to as shaking palsy. Some patients require the combination of medicine, while others benefit from levodopa alone. By improving muscle control, levodopa allows more normal movements of the body.
Levodopa alone or in combination is available only with your doctor's prescription.
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For levodopa, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to levodopa or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Studies on levodopa have been done only in adult patients, and there is no specific information comparing use of levodopa or carbidopa in children with use in other age groups.
Elderly people are especially sensitive to the effects of levodopa. This may increase the chance of side effects during treatment.
|All Trimesters||C||Animal studies have shown an adverse effect and there are no adequate studies in pregnant women OR no animal studies have been conducted and there are no adequate studies in pregnant women.|
Studies suggest that this medication may alter milk production or composition. If an alternative to this medication is not prescribed, you should monitor the infant for side effects and adequate milk intake.
Using levodopa with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.
Using levodopa with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Using levodopa with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
The presence of other medical problems may affect the use of levodopa. Make sure you tell your doctor if you have any other medical problems, especially:
Since protein may interfere with the body's response to levodopa, high protein diets should be avoided. Intake of normal amounts of protein should be spaced equally throughout the day, or taken as directed by your doctor.
For patients taking levodopa by itself:
At first, levodopa may be taken with a meal or a snack, so that any effects like stomach upset will be lessened. Later, as your body becomes accustomed to the medicine, it should be taken on an empty stomach so that it works better. Be sure to talk to your doctor about the best time for you to take levodopa.
Take levodopa only as directed. Do not take more or less of it, and do not take it more often than your doctor ordered.
For patients taking carbidopa and levodopa extended-release tablets:
Some people must take levodopa for several weeks or months before full benefit is received. Do not stop taking it even if you do not think it is working. Instead, check with your doctor.
The dose of levodopa will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of levodopa. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
If you miss a dose of levodopa, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Before having any kind of surgery (including dental surgery) or emergency treatment, tell the medical doctor or dentist in charge that you are taking levodopa.
For patients with diabetes:
levodopa may cause some people to become dizzy, confused, or have blurred or double vision. Make sure you know how you react to levodopa before you drive, use machines, or do anything else that could be dangerous if you are not alert or not able to see well.
Dizziness, lightheadedness, or fainting may occur, especially when you get up from a lying or sitting position. Getting up slowly may help. If the problem continues or gets worse, check with your doctor.
For patients taking levodopa by itself:
As your condition improves and your body movements become easier, be careful not to overdo physical activities. Injuries resulting from falls may occur. Physical activities must be increased gradually to allow your body to adjust to changing balance, circulation, and coordination. This is especially important in the elderly.
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor as soon as possible if any of the following side effects occur:More common
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:More common
levodopa may sometimes cause the urine, saliva, and sweat to be darker in color than usual. The urine may at first be reddish, then turn to nearly black after being exposed to air. Some bathroom cleaning products will produce a similar effect when in contact with urine containing levodopa. This is to be expected during treatment with levodopa. Also, levodopa may cause a bitter taste, or a burning sensation of the tongue.
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
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