Precautions

Información sobre medicamentos proporcionada por: IBM Micromedex

It is very important that your doctor check your or your child's progress at regular visits to make sure that this medicine is working properly. Blood tests may be needed to check for unwanted effects.

This medicine may cause permanent vision loss. Check with your doctor immediately if blurred vision, difficulty in reading, or any other change in vision occurs during or after treatment. It is very important that your ophthalmologist (eye doctor) check your child's or your eyes within 4 weeks after starting treatment, every 3 months during treatment, and about 3 to 6 months after stopping treatment with this medicine.

Before you have any medical tests, tell the medical doctor in charge that you are taking this medicine. The results of some tests may be affected by this medicine (eg, magnetic resonance imaging or MRI).

This medicine may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies or to become more depressed. Make sure the doctor knows if you have trouble sleeping, get upset easily, have a big increase in energy, or start to act reckless. Also tell the doctor if you have sudden or strong feelings, such as feeling nervous, angry, restless, violent, or scared. If you, your child, or your caregiver notice any of these side effects, tell your doctor right away.

Using this medicine while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant. If you think you have become pregnant while using the medicine, tell your doctor right away. Your doctor may want you to join a pregnancy registry for patients taking a seizure medicine.

This medicine may cause some people to become drowsy, sleepy, tired, or weak than they are normally. 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 drowsy or not alert.

Check with your doctor right away if you or your child are having burning, numbness, tingling, or painful sensations in the arms, hands, legs, or feet. These could be symptoms of a condition called peripheral neuropathy.

This medicine may increase your weight and cause swelling in your hands, ankles, or feet. Your doctor may need to check your weight on a regular basis while you are using this medicine. Talk to your doctor about ways to prevent weight gain.

Do not suddenly stop taking this medicine without checking first with your doctor. Your doctor may want to gradually reduce the amount you are using before stopping it completely. Stopping this medicine suddenly may cause seizures.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.