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Lonsurf Medication Information

For Lonsurf® Prescribers: Access information about Lonsurf indications, dosage information, and safety information for your patients.  
For additional information, please visit www.lonsurf.com.

Lonsurf Indications

Lonsurf is used to treat people with colorectal cancer that has spread to other parts of the body and who have been previously treated or cannot receive certain chemotherapy medicines.



Lonsurf Dosage

Lonsurf tablets should be swallowed twice daily after you eat breakfast and dinner (immediately after or up to 1 hour after).


Safety Information

Do not use Lonsurf for a condition for which it was not prescribed. Do not give Lonsurf to other people, even if they have the same symptoms you have. If you would like more information about Lonsurf, talk with your provider or ask our pharmacists. 


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  • How can a pharmacy help save your practice time and money?
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I just wanted to take the time to tell you how wonderful the staff at Avella is! They are always so quick to respond and so helpful. They are all knowledgeable and always able to get us the information we need. We recently had a patient that was denied hepatitis C treatment and they were quick to start the appeal process and get us an appeal letter that only needed to be signed by the physician. We all really appreciate all that Avella does!
Provider, Denver, CO