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 and urine 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 the medicine, tell your doctor right away.
Liver problems may occur while you are using this medicine. Stop using this medicine and check with your doctor right away if you are having more than one of these symptoms: abdominal or stomach pain or tenderness, clay-colored stools, dark urine, decreased appetite, fever, headache, itching, loss of appetite, nausea and vomiting, skin rash, swelling of the feet or lower legs, unusual tiredness or weakness, or yellow eyes or skin.
This medicine can cause changes in heart rhythms, such as a condition called QT prolongation. It may change the way your heart beats and cause fainting or serious side effects in some patients. Contact your doctor right away if you have any symptoms of heart rhythm problems, such as fast, pounding, or irregular heartbeats.
If you are rapidly gaining weight, having shortness of breath, chest pain or discomfort, extreme tiredness or weakness, irregular breathing, irregular heartbeat, or excessive swelling of the hands, wrist, ankles, or feet, check with your doctor immediately. These may be symptoms of heart problems or your body keeping too much water.
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.
Check with your doctor right away if you have new chest pain, shortness of breath or troubled breathing, leg pain, swelling of the arms, hands, legs, or feet, or a cool or pale arm or leg. These may be symptoms of a blood clotting problem.
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 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.
Make sure any doctor who treats you knows that you are using this medicine. You may need to stop using this medicine at least 7 days before having surgery.
Call your doctor right away if you start to have a cough that won't go away, weight loss, night sweats, fever, chills, or flu-like symptoms, such as a runny or stuffy nose, headache, blurred vision, or feeling generally ill. These may be signs that you have an infection.
This medicine may cause diarrhea, and in some cases it can be severe. Do not take any medicine to treat diarrhea without first checking with your doctor. Diarrhea medicines may make the diarrhea worse or make it last longer. If you have any questions about this or if mild diarrhea continues or gets worse, check with your doctor.
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.