Description:
This medicine is a catechol-o-methyl transferase (COMT) inhibitor used along with levodopa to treat Parkinsons disease. It may also be used to treat other conditions as determined by your doctor.

Directions:
Follow the directions for using this medicine provided by your doctor. This medicine may be taken on an empty stomach or with food. TAKE THIS MEDICINE WITH A FULL GLASS of water. STORE THIS MEDICINE at room temperature, away from heat and light. IF YOU MISS A DOSE OF THIS MEDICINE, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do NOT take 2 doses at once.

Cautions:
DO NOT TAKE THIS MEDICINE if you have had an allergic reaction to it or are allergic to any ingredient in this product. YOU MUST DISCUSS THE BENEFITS AND RISKS OF THIS MEDICINE with your doctor and sign a patient acknowledgment form before you begin treatment with this medicine. DO NOT STOP USING THIS MEDICINE without first checking with your doctor. Laboratory and/or medical tests, including liver function, may be performed to monitor your progress or to check for side effects. KEEP ALL DOCTOR AND LABORATORY APPOINTMENTS while you are using this medicine. If your symptoms do not improve within 3 weeks or if they become worse, check with your doctor. THIS MEDICINE MAY CAUSE DIZZINESS. DO NOT DRIVE, OPERATE MACHINERY, OR DO ANYTHING ELSE THAT COULD BE DANGEROUS until you know how you react to this medicine. Using this medicine alone, with other medicines, or with alcohol may lessen your ability to drive or to perform other potentially dangerous tasks. Ask your doctor or pharmacist if you have questions about which medicines cause dizziness. THIS MEDICINE MAY CAUSE A SUDDEN DECREASE IN BLOOD PRESSURE (hypotension). You may or may not have symptoms. Some symptoms that may occur include dizziness, lightheadedness, or fainting. Alcohol, hot weather, exercise, and fever can increase dizziness. Sit up or stand slowly, especially in the morning. Also, sit or lie down at the first sign of dizziness or weakness. This medicine may change the color of your urine. This is harmless. BEFORE YOU BEGIN TAKING ANY NEW MEDICINE, either prescription or over-the-counter, check with your doctor or pharmacist. FOR WOMEN: IF YOU PLAN ON BECOMING PREGNANT, discuss with your doctor the benefits and risks of using this medicine during pregnancy. IT IS UNKNOWN IF THIS MEDICINE IS EXCRETED in breast milk. IF YOU ARE OR WILL BE BREAST-FEEDING while you are using this medicine, check with your doctor or pharmacist to discuss the risks to your baby.