Afatinib is used to treat the patient having EGFR mutations and helps to cure non-small cell lung cancer. The usual dose is Afatinib 40 mg and stored at a temperature of 15-30 degrees Celsius. There are some precautions that need to be followed. Always purchase the medicine from a genuine and licensed pharmacy. It has some side effects like diarrhea, nausea, weakness Itching, Rash, Stomatitis, and loss of appetite. Afatinib price is around MRP ₹14747.25 for strips of 7 tablets.