Drug information provided by: IBM Micromedex
It is very important that your doctor check you or your child's progress closely while you are receiving this medicine to make sure this medicine is working properly. Blood tests may be needed to check for unwanted effects.
This medicine may cause a rare, but serious blood problem called methemoglobinemia. The risk may be increased in children younger than 6 months of age, elderly patients, or patients with certain inborn defects. It is more likely to occur in patients receiving too much of the medicine, but can also occur with small amounts. Check with your doctor right away if you or your child has the following symptoms after receiving this medicine: pale, gray, or blue-colored skin, lips, or nails, confusion, headache, lightheadedness, fast heartbeat, or unusual tiredness or weakness.
If you receive this medicine into your lower back (epidural), you may experience temporary loss of sensation and movement, usually in the lower half of your body. Talk with your doctor if you have concerns.
Make sure any doctor or dentist who treats you knows that you are using this medicine. This medicine may affect the results of certain medical tests.
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.