Drug information provided by: Micromedex

It is important that your doctor check your progress at regular visits. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to use it.

Check with your doctor right away if you have bluish-colored lips, fingernails, or palms, dark urine, trouble breathing, dizziness or lightheadedness, headache, pale skin, unusual bleeding or bruising, or unusual tiredness or weakness. These may be symptoms of a serious blood disorder.

Hemolytic anemia may occur while using this medicine. Tell your doctor right away if you have back, leg, or stomach pains, bleeding gums, chills, dark urine, nosebleeds, nausea or vomiting, or yellow eyes or skin.

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.