Sold under the name “Bavencio”, Avelumab is indicated for the treatment of Merkel cell carcinoma (a type of skin cancer), and is specifically used in adults and children 12 years and older whose cancer has spread to other parts of their bodies. In addition, Avelumab is used in the treatment of other types of cancers that cannot be removed with surgery, namely urinary tract and kidney cancers. It is worth noting that this medication causes the immune system to attack tumor cells, although it may end up attacking healthy organs and tissues as well, which could result in serious medical issues. As for the other side effects that can occur after using Avelumab, they include allergic reactions, sudden chest pain, severe muscle pain, heart and kidney problems – All of which require medical care. There are also other side effects that are more common than the previous ones such as nausea, diarrhea, bone pain, and rash. Bear in mind that using this medication during pregnancy is not recommended as it can harm the unborn baby, or even cause birth defects. According to drugs.com, women should not breastfeed while using this medicine, for at least 1 month after their last dose. And according to the same source, “Avelumab is given as an infusion into a vein, usually once every 2 weeks”.