How many days does Osimertinib take to cause side effects?

Osimertinib (Osimertinib)The most common side effects include diarrhea, rash, musculoskeletal pain, nail poisoning, dry skin, stomatitis, fatigue, and cough. Side effects may usually occur from 2-3 days to 2-3 weeks. The symptoms and time of onset of symptoms after taking the drug vary among patients, and specific analysis of the specific situation is required at this time. Osimertinib is a third-generation targeted drug, mainly suitable for patients with advanced non-small cell lung cancer who have epidermal growth factor receptor, EGFR susceptibility gene mutations. Side effectsmay be related tonew mutations in the EGFR gene. By re-testing the genetic mutations of tumor tissues or cells, it is possible to determine whether new mutations have emerged and to adjust treatment plans based on the test results.