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Precautions
It is important that your doctor check your progress at regular visits to make sure that this medicine is working properly and to check for unwanted effects.
Do not stop taking entacapone without first checking with your doctor. Your doctor may want you to gradually reduce the amount you are taking before stopping completely.
Nausea may occur, especially when you first start taking this medicine. Also, an increase in body movements and twitching, twisting, or uncontrolled movements of the tongue, lips, face, arms or legs may occur. Your doctor may need to adjust your dose of levodopa/carbidopa if these movements occur.
This medicine may cause some people to become dizzy or drowsy. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are not alert.
Dizziness, lightheadedness, or fainting may occur, especially when you get up from a lying or sitting position. Getting up slowly may help. If you should have this problem, check with your doctor.
Hallucinations (seeing, hearing, or feeling things that are not there) may occur in some patients.
Entacapone may cause your urine to turn brownish orange. This effect is harmless and will go away after you stop taking the medicine.
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