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.
Humira is an injected medication used to treat inflammatory autoimmune conditions such as arthritis, Crohnâs disease and AS. It works by blocking TNF, a protein in the body that activates the inflammatory immune response.Humira costs around $3,000 for just two pens.he Humira manufacturer coupon link will take you to the Humira copay card sign up page where you can request a card that will enable you to pay as little as $5 for each prescription.