The FDA approved the Afatinib drug in 2013 for the treatment of patients with metastatic Non-Small Cell Lung Cancer and metastatic squamous NSCLC. Afatinib dimaleate is a white to brownish-yellow powder, water-soluble and hygroscopic. Afatinib works by covalently binding to the kinase domains of EGFR (ErbB1), HER2 (ErbB2), and HER4 (ErbB4) and irreversibly inhibits tyrosine kinase autophosphorylation, resulting in the downregulation of ErbB signaling. Afatinib tablets come in 20 mg, 30 mg, and 40 mg to administer via the mouth. The active ingredient in the tablets is Afatinib, with inactive ingredients lactose monohydrate, microcrystalline cellulose, crospovidone, colloidal silicon dioxide, and magnesium stearate. Store the medicine Afatinib at 25°C (77°F); excursions are permitted to 15°-30°C (59°-86°F). Afatinib price is economical, and you can find this medication with several generic medicine suppliers. For the best buy, reach us on 18008891064.