A blood substitute (also called artificial blood or blood surrogates) is a substance used to mimic and fulfill some functions of biological blood.It aims to provide an alternative to blood transfusion, which is transferring blood or blood-based products from one person into another. blood substitute (also called artificial blood or blood surrogates) is a substance used to mimic and fulfill some functions of biological blood.
Over-the-counter Nexium is FDA approved for treatment of frequent heartburn, which is heartburn that occurs two or more days a week. Prescription Nexium is designed to reduce the amount of acid in a personâs stomach, effectively treating GERD, acid reflux disease and symptoms of heartburn.
Nexium is the tradename of the drug Esomeprazole. It is also a proton pump inhibitor to similar to Omeprazole. The mechanism of action, the applications, and the side effects of Nexium are quite similar to Omeprazole, but there is a difference when it comes to availability of these drugs.