What are the side effects of afatinib?

The side effects of afatinib greater than30%: diarrhea, acne rash(A group of acne-like skin conditions), oral ulcers, paronychia (nail infection), dry mouth. Side effects with an incidence rate of 10-29%: loss of appetite, itching, weight loss, nose bleeding, cystitis(Bladder infection< /span>), cheilitis(lip inflammation), fever, hypokalemia Hypokalemia(Hypokalemia), conjunctivitis(Pink eye ), runny nose(Runny nose), and elevated liver enzymes. Diarrhea is the most common side effect during treatment. Diarrhea can lead to dehydration with or without renal impairment, and in rare cases can lead to fatal consequences. Diarrhea usually occurs within the first 2 weeks of treatment. Grade 3 diarrhea most commonly occurs within the first 6 weeks of treatment. If you experience an adverse reaction while using afatinib (or other medicines), the most important thing is to contact your doctor or medical professional immediately.