Tag: Lonsurf

In clinical trials, the most common adverse reactions (≥10%) for patients taking Lonsurf included anemia, neutropenia, fatigue, nausea, and diarrhea. Understanding **what are the common side effects of Lonsurf** is key for patients and caregivers managing this cancer treatment.

According to prescribing information and patient guides, Lonsurf tablets must be swallowed whole and should not be crushed, split, or chewed under any circumstances. This strict instruction is in place due to the cytotoxic nature of the medication, which requires careful handling to ensure both patient safety and therapeutic efficacy.

First developed as an antitumor agent, the drug trifluridine is now most commonly known in its ophthalmic form (Viroptic) for treating viral eye infections, while a combination oral tablet (Lonsurf) is used to fight certain types of cancer. This unique versatility means that what is the drug trifluridine used for depends entirely on its formulation.