Ribociclib is used alone and in combination with other medications in the treatment of certain types of hormone-receptor-positive advanced breast cancer. It blocks the action of multiplying cancer cells. Swallow the whole tablet with water with or without food once a day. If you feel like vomit after taking ribociclib, do not overdose. From the next day continue your normal dose schedule. Medical condition, weight, and response to treatment are the main parameters to decide the dosage. There are some common side effects of ribociclib such as constipation, headache, back pain, itching, and mouth sores. Ribociclib price may vary depending upon the various wholesaler in the market.