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.
Using this medicine while you are pregnant can harm your unborn baby. Men and women should use an effective form of birth control during therapy and for at least 2 weeks after the last dose. If you think you have become pregnant while using this medicine, tell your doctor right away.
Your blood pressure should be checked weekly, especially during the first 6 weeks after starting 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.
Serious skin reactions can occur with this medicine. Check with your doctor right away if you have redness, blistering, peeling, or loosening of the skin, red skin lesions, severe acne or skin rash, sores or ulcers on the skin, or fever or chills while you are using this medicine.
This medicine may cause serious heart problems. Check with your doctor right away if you are having chest pain or discomfort, nausea, pain or discomfort in your arms, jaw, back, or neck, shortness of breath, sweating, or vomiting.
Check with your doctor right away if you have severe burning, cramps, or pain in the stomach area, 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.
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.
Check with your doctor right away if you have pain or tenderness in the upper stomach, pale stools, dark urine, loss of appetite, nausea, vomiting, or yellow eyes or skin. These could be symptoms of a serious condition called hepatitis.
Make sure any doctor who treats you knows that you are using this medicine. You may need to stop using this medicine several days before having surgery.
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 take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal (eg, St. John's wort) or vitamin supplements.