So, afatinib is this drug that blocks EGFR and HER2. It’s used for NSCLC patients who have either a deletion in the EGFR 19th exon or the L858R mutation in the 21st exon. It works by just stopping the EGFR signaling.
You can get it in different strengths: 20 mg, 30 mg, or 40 mg as a film-coated tablet. The doc usually suggests taking 40 mg once a day on an empty belly. Each pack has 30 pills.
