Lenvatinib Information

LENVATINIB is a medicine that targets proteins in cancer cells and stops the cancer cells from growing. It is used to treat thyroid cancer, kidney cancer, and liver cancer.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions: -diabetes -having surgery -high blood pressure -heart disease -history of blood clots -history of irregular heartbeat -history of low levels of calcium, magnesium, or potassium in the blood -inflammatory bowel disease -kidney disease -liver disease -protein in your urine -thyroid disease -an unusual or allergic reaction to lenvatinib, other medicines, foods, dyes, or preservatives -pregnant or trying to get pregnant -breast-feeding

How should I use this medicine?

Follow the directions on the prescription label. Swallow the capsules whole. Do not cut, crush or chew this medicine. Take your medicine at regular intervals. Do not take it more often than directed. Do not stop taking except on your doctor's advice. Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once. NOTE: This medicine is only for you. Do not share this medicine with others.

What should I watch for while using this medicine?

Visit your doctor for regular check-ups. Report any side effects. Continue your course of treatment unless your doctor tells you to stop. You will need blood work done while you are taking this medicine. Do not become pregnant while taking this medicine or for 30 days after stopping it. Women should inform their doctor if they wish to become pregnant or think they might be pregnant. There is a potential for serious side effects to an unborn child. Talk to your health care professional or pharmacist for more information. Do not breast-feed an infant while taking this medicine or for 1 week after stopping it. This medicine may interfere with the ability to have a child. Talk with your doctor or health care professional if you are concerned about your fertility. Be careful brushing and flossing your teeth or using a toothpick because you may get an infection or bleed more easily. If you have any dental work done, tell your dentist you are receiving this medicine. This medicine may increase your risk to bruise or bleed. Call your doctor or health care professional if you notice any unusual bleeding. This drug may make you feel generally unwell. This is not uncommon, as chemotherapy can affect healthy cells as well as cancer cells. Report any side effects. Continue your course of treatment even though you feel ill unless your doctor tells you to stop. This medicine may interfere with the ability to have a child. You should talk with your doctor or health care professional if you are concerned about your fertility.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible: -allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue -breathing problems -chest pain or palpitations -dizziness -feeling faint or lightheaded, falls -headache -high blood pressure -seizures -signs and symptoms of bleeding such as bloody or black, tarry stools; red or dark-brown urine; spitting up blood or brown material that looks like coffee grounds; red spots on the skin; unusual bruising or bleeding from the eye, gums, or nose -signs and symptoms of a dangerous change in heartbeat or heart rhythm like chest pain; dizziness; fast or irregular heartbeat; palpitations; feeling faint or lightheaded, falls; breathing problems -signs and symptoms of kidney injury like trouble passing urine or change in the amount of urine -signs and symptoms of liver injury like dark yellow or brown urine; general ill feeling or flu-like symptoms; light-colored stools; loss of appetite; nausea; right upper belly pain; unusually weak or tired; yellowing of the eyes or skin -signs and symptoms of low potassium like muscle cramps or muscle pain; chest pain; dizziness; feeling faint or lightheaded, falls; palpitations; breathing problems; or fast, irregular heartbeat -signs and symptoms of a stroke like changes in vision; confusion; trouble speaking or understanding; severe headaches; sudden numbness or weakness of the face, arm or leg; trouble walking; dizziness; loss of balance or coordination -stomach pain -swelling of the legs or ankles -unusually weak or tired Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome): -diarrhea -joint pain -loss of appetite -mouth sores -muscle pain -nausea, vomiting -weight loss.