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.
(Redirected from Nexium) Esomeprazole sold under the brand name Nexium (or Nexum) among others, is a proton-pump inhibitor which reduces stomach acid. It is used in the treatment of dyspepsia, peptic ulcer disease, gastroesophageal reflux disease, and Zollinger-Ellison syndrome. It decreases secretion of acid through inhibition of the H+/K+-ATPase in the parietal cells of the stomach.
NEXIUM may help your acid-related symptoms, but you could still have serious stomach problems. Talk with your doctor. NEXIUM can cause serious side effects, including: 1  Diarrhea. 2  NEXIUM may increase your risk of getting severe diarrhea. 3  This diarrhea may be caused by an infection (Clostridium difficile) in your intestines.