It is very important that your doctor check your progress at regular visits. This will allow your doctor to see if the medicine is working properly to lower your cholesterol and triglyceride (fats) levels and to decide if you should continue to take it. Blood and urine tests may be needed to check for unwanted effects.
Check with your doctor right away if you experience unexplained muscle pain, tenderness, or weakness, especially if you also have unusual tiredness or a fever. These could be symptoms of a serious muscle problem called myopathy.
Stop using this medicine and check with your doctor right away if you have dark-colored urine, diarrhea, a fever, muscle cramps or spasms, muscle pain or stiffness, or feel very tired or weak. These could be symptoms of a serious muscle problem called rhabdomyolysis, which can cause kidney problems.
Call your doctor right away if you have severe stomach pain with nausea and vomiting. This medicine may increase your risk of gallstones.
Pancreatitis may occur while you are using this medicine. Tell your doctor right away if you have sudden and severe stomach pain, chills, constipation, nausea, vomiting, fever, or lightheadedness.
Serious skin reactions can occur with this medicine. Check with your doctor right away if you have 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 lowers the number of some types of blood cells in your body. Because of this, you may bleed or get infections more easily. To help with these problems, avoid being near people who are sick or have infections. Wash your hands often. 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.
Do not stop taking this medicine without first checking with your doctor. When you stop taking this medicine, your blood fat levels may increase again. Your doctor may want you to follow a special diet to help prevent that.
Avoid large amounts of grapefruit juice (more than 1 quart each day) while you are taking this medicine. Grapefruit juice can increase the amount of fenofibric acid in the body, which may increase your chance of having muscle problems.
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.