Afatinib is a drug used to treat lung cancer, specifically in people with certain types of gene mutations. It works by stopping EGFR messages from spreading. The drug comes in three strengths – 20 mg, 30 mg, and 40 mg – in film-coated tablet form, with the recommended dosage being 40 mg taken once daily on an empty stomach.
Each box has 30 capsules. This stuff is really big on keeping cancer from spreading.