1 A physical change, such as a state change or dissolving, does not create a new substance, but a chemical change does. 2  In a chemical reaction, the atoms and molecules that interact with each other are called reactants. 3  In a chemical reaction, the atoms and molecules produced by the reaction are called products. In a chemical reaction, the atoms and molecules produced by the reaction are called products. 2  In a chemical reaction, only the atoms present in the reactants can end up in the products. 3  No new atoms are created, and no atoms are destroyed.
Humira (adalimumab) is a biologic drug that works by blocking a protein known as TNF-alpha. Normally, TNF-alpha helps fight infection, but in excess amounts, it can cause painful inflammation and severe joint damage -- common symptoms of rheumatoid arthritis and other forms of inflammatory arthritis.
A: Humira (adalimumab) is used alone or with other medications to relieve the symptoms of certain autoimmune disorders such as rheumatoid arthritis and Crohn's. Adalimumab injection is in a class of medications called tumor necrosis factor (TNF) inhibitors.umira is the brand name for the drug adalimumab, an injectable medicine used to treat adults with inflammatory conditions such as rheumatoid arthritis. Humira is also used to treat juvenile idiopathic arthritis (JIA) in children over age 4.