Lonsurf (Trifluridine / Tipiracil Hydrochloride)

They need to know if you have any of these conditions: -history of low blood counts caused by a medicine -infection (especially a virus infection such as chickenpox, cold sores, or herpes) -kidney disease -liver disease -low blood counts, like low white cell, platelet, or red cell counts -recent or ongoing radiation therapy -an unusual or allergic reaction to trifluridine, tipiracil, other medicines, foods, dyes, or preservatives -pregnant or trying to get pregnant -breast-feeding

This medicine comes in two strengths, and your doctor may prescribe both strengths for your prescribed dose. Follow the directions on the prescription label. Take this medicine by mouth with a glass of water. Do not cut, crush or chew this medicine. Take this medicine with food. Take your medicine at regular intervals. Do not take it more often than directed. Your caregiver should wear gloves when handling this medicine. Wash your hands after handling this medicine. 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.

If you miss a dose, do not take additional doses to make up for the missed dose. Call your doctor for instructions about what to do for a missed dose.

Interactions have not been studied. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse. Do not become pregnant while taking this medicine or for 6 months after stopping it. Women should inform their doctor if they wish to become pregnant or think they might be pregnant. Men should not father a child while taking this medicine and for 3 months after stopping it. 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 day after stopping it. Avoid taking products that contain aspirin, acetaminophen, ibuprofen, naproxen, or ketoprofen unless instructed by your doctor. These medicines may hide a fever. Call your doctor or health care professional for advice if you get a fever, chills or sore throat, or other symptoms of a cold or flu. Do not treat yourself. This drug decreases your body's ability to fight infections. Try to avoid being around people who are sick. 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.

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 -low blood counts - this medicine may decrease the number of white blood cells, red blood cells and platelets. You may be at increased risk for infections and bleeding. -signs of decreased platelets or bleeding - bruising, pinpoint red spots on the skin, black, tarry stools, blood in the urine -signs of decreased red blood cells - unusually weak or tired, feeling faint or lightheaded, falls -signs of infection - fever or chills, cough, sore throat, pain or difficulty passing urine -signs and symptoms of a blood clot such as breathing problems; changes in vision; chest pain; severe, sudden headache; pain, swelling, warmth in the leg; trouble speaking; sudden numbness or weakness of the face, arm or leg Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome): -diarrhea -loss of appetite -nausea, vomiting -stomach pain

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Keep out of the reach of children. Store between 20 and 25 degrees C (68 and 77 degrees F). Throw away any unused medicine after the expiration date. If kept outside of the original container, throw away any unused tablets after 30 days.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.