Coughing up blood after taking Brigatinib for three months

Brigatinib/Brigatinib is a targeted drug used to treat non-small cell lung cancer. Patients may experience some side effects during treatment. According to its prescription information, common side effects include hyperglycemia, hyperinsulinemia, anemia, nausea, diarrhea, fatigue, cough, headache, rash, vomiting, dyspnea, etc. Severe cases may lead to hemoptysis, which is usually caused by the drug stimulating blood vessels in the lungs, but may also be related to other factors, such as lung infection or lung tumors. If a patient develops symptoms of hemoptysis after taking brigatinib for three months, it is recommended to seek medical treatment promptly so that the doctor can diagnose and treat the patient according to the specific situation.