If you will be taking this medicine for a long time, it is very important that your doctor check you at regular visits for any problems or unwanted effects that may be caused by this medicine. Blood tests may be needed to check for unwanted effects.
Your blood pressure should be checked regularly during treatment with this medicine. Your doctor may need to treat you if you develop high blood pressure while you are using this medicine. Symptoms of high blood pressure are blurred vision, dizziness, nervousness, headache, pounding in the ears, or a slow or fast heartbeat.
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 this medicine, tell your doctor right away.
This medicine may cause serious heart and blood vessel problems. Call your doctor right away if you have chest pain or discomfort; numbness or weakness on one side of your body; pain or discomfort in your arms, jaw, back or neck; shortness of breath; trouble talking, or vision changes.
Check with your doctor right away if you start having severe abdominal or stomach burning, cramps, or pains; bloody or black, tarry stools; trouble breathing; heartburn; indigestion; nausea; or vomiting of material that looks like coffee grounds. These could be symptoms of a serious bowel problem.
This medicine may increase your chance of bleeding and cause delay in wound healing. To help with this problem, stay away from rough sports or other situations where you could be bruised, cut, or injured. Brush and floss your teeth gently. Be careful when using sharp objects, including razors and fingernail clippers.
Make sure any doctor who treats you knows that you are using this medicine. You may need to stop using this medicine at least 24 hours before having surgery.
This medicine may increase your chance of having a brain condition called reversible posterior leukoencephalopathy syndrome (RPLS). Stop using this medicine and check with your doctor right away if you start having headaches, seizures, extreme drowsiness, confusion, or problems with vision while you are using this medicine.
This medicine may cause a serious skin problem called hand-foot syndrome. Check with your doctor right away if you have a skin rash or any redness, pain, swelling, or blisters on the palms of your hands or the soles of your feet. Your doctor may adjust the dose or stop treatment for a short time.
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.
Do not eat grapefruit or drink grapefruit juice while you are using this medicine. Grapefruit and grapefruit juice may change the amount of this medicine that is absorbed in the body.
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 (e.g., St. John's wort) or vitamin supplements.