It is very important that your doctor check your or your child's progress closely while you are receiving this medicine to make sure the medicine is working properly. Blood tests may be needed to check for unwanted effects.
This medicine may cause unwanted effects on the nervous system. Check with your doctor right away if you or your child have lightheadedness, muscle tingling or weakness, sleepiness or unusual drowsiness, or tiredness.
Check with your doctor right away if you or your child have more than one of the following symptoms while receiving this medicine: confusion; deep or fast breathing with dizziness; muscle tremors; nausea; numbness of the feet, hands, and around the mouth; rapid, deep breathing; restlessness; stomach cramps; or unusual tiredness or weakness.