Erlocen 100mg tablets are recommended for patients of advanced aden carcinoma lung cancer and also for metastatic pancreatic cancer. These medicines are classified under epidermal growth factor receptor tyrosine kinase inhibitors group of drugs. These medications are recommended as part of targeted therapy. These medicines need to be taken only after consulting with physicians. There are several side effects of these tablets and these include nausea, fatigue, abdominal pain, weight loss etc. Standard of these medicines has been tested on the basis of their shelf life, composition, long lastingness of effects, therapeutic value etc. These medicines can be easily available at any medical store.