Sorafenib (Generic Name)
Other Names: Nexavar
About This Drug
This drug is used to treat cancer. It is given by mouth (orally).
Possible Side Effects (More Common)
- High Blood Pressure. Your doctor will check your blood pressure as needed.
- Bone marrow depression. This is a decrease in the number of white blood cells, red blood cells, and platelets. This may raise your risk for infection, make you tired and weak (fatigue), and raise your risk of bleeding.
- Feeling tired
- Hand-and-foot syndrome. The palms of your hands or soles of your feet may tingle, become numb, painful, swollen, or red.
- Loose bowel movements (diarrhea) that may last for a few days
Possible Side Effects (Less Common)
- Slow wound healing. This drug should not be given within 28 days of surgery or any test or procedure that needs conscious sedation. If you must have emergency surgery or have an accident that results in a wound, tell the doctor that you are on sorafenib. Call your cancer doctor as soon as possible for further orders.
- Nausea and throwing up (vomiting). Medicines are available to stop or lessen these side effects.
Allergic reactions, including anaphylaxis are rare but may happen in some patients. Signs of allergic reaction to this drug may be swelling of the face, feeling like your tongue or throat are swelling, trouble breathing, rash, itching, fever, chills, feeling dizzy, and/or feeling that your heart is beating in a fast or not normal way. If you have a reaction, do not take another dose of this drug. You should get urgent medical treatment.
Treating Side Effects
- Drink 6-8 cups of fluids each day unless your doctor has told you to limit your fluid intake due to some other health problem. A cup is 8 ounces of fluid. If you throw up or have loose bowel movements you should drink more fluids so that you do not become dehydrated (lack of water in the body due to losing too much fluid).
- Sorafenib may cause slow wound healing. It should not be given within 28 days of surgery or any test and/or procedure needing conscious sedation. If you must have emergency surgery or have an accident that results in a wound, tell the doctor that you are on sorafenib. Call your cancer doctor as soon as possible for further instructions.
- If you get a rash, do not put anything on it unless your doctor or nurse says you may. Keep the area around the rash clean and dry. Ask your doctor for medicine if your rash bothers you.
- Take this medicine with water.
- Swallow this medicine whole - do not chew, break or crush it.
- Take this medicine on an empty stomach, at least one hour before eating or two hours after eating.
- Missed dose: If you miss a dose, just take the next dose at your normal scheduled time. Do not double your dose or take extra doses. Do not take more than one dose at a time. Call your doctor right away if you take too much sorafenib.
Food and Drug Interactions
Sorafenib should not be taken with food as food may affect the levels of sorafenib in your body. This drug may interact with other medicines. Tell your doctor and pharmacist about all the medicines and dietary supplements (vitamins, minerals, herbs, and others) that you are taking at this time. Talk with your doctor about taking St. John’s Wort , garlic, ginseng, and ginkgo. The safety and use of dietary supplements and alternative diets are often not known. Using these might affect your cancer or interfere with your treatment. Until more is known, you should not use dietary supplements or alternative diets without your cancer doctor’s help.
When to Call the Doctor
Call your doctor or nurse right away if you have any of these symptoms:
- Fever of 100.5 F (38 C) or above
- Easy bruising or bleeding
- Wheezing or trouble breathing
- Rash or itching
- Feeling dizzy or lightheaded
- Feeling that your heart is beating in a fast or not normal way (palpitations)
- Loose bowel movements (diarrhea) more than 4 times a day or diarrhea with weakness or feeling lightheaded
- Blurred vision or other changes in eyesight
- Pain when passing urine; blood in urine
- Pain in your lower back or side
- Feeling confused or agitated
- Nausea that stops you from eating or drinking
- Throwing up more than 3 times a day
- Chest pain or symptoms of a heart attack. Most heart attacks involve pain in the center of the chest that lasts more than a few minutes. The pain may go away and come back. It can feel like pressure, squeezing, fullness, or pain. Sometimes pain is felt in one or both arms, the back, neck, jaw, or stomach. If any of these symptoms last 2 minutes, call 911.
- Symptoms of a stroke such as sudden numbness or weakness of your face, arm, or leg, mostly on one side of your body; sudden confusion, trouble speaking or understanding; sudden trouble seeing in one or both eyes; sudden trouble walking, feeling dizzy, loss of balance or coordination; or sudden, bad headache with no known cause. If you have any of these symptoms for 2 minutes, call 911.
- Signs of liver problems: dark urine, pale bowel movements, bad stomach pain, feeling very tired and weak, unusual itching, or yellowing of the eyes or skin
Call your doctor or nurse as soon as possible if any of these symptoms happen:
- Change in hearing, ringing in the ears
- Decreased urine
- Unusual thirst or passing urine often
- Pain in your mouth or throat that makes it hard to eat or drink
- Nausea that is not relieved by prescribed medicines
- Rash that is not relieved by prescribed medicines
- Heavy menstrual period that lasts longer than normal
- Numbness, tingling, decreased feeling or weakness in fingers, toes, arms, or legs
- Trouble walking or changes in the way you walk, feeling clumsy when buttoning clothes, opening jars, or other routine hand motions
- Swelling of legs, ankles, or feet
- Weight gain of 5 pounds in one week (fluid retention)
- Lasting loss of appetite or rapid weight loss of five pounds in a week
- Fatigue that interferes with your daily activities
- Headache that does not go away
- Painful, red, or swollen areas on your hands or feet.
- No bowel movement for 3 days or you feel uncomfortable
- Extreme weakness that interferes with normal activities
- Pregnancy warning: This drug may have harmful effects on the unborn child, so effective methods of birth control should be used during your cancer treatment.
- Breast feeding warning: It is not known if this drug passes into breast milk. For this reason, women should talk to their doctor about the risks and benefits of breast feeding during treatment with this drug because this drug may enter the breast milk and badly harm a breast feeding baby.
Revised September 2014