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.
Other Nexium side effects reported include headache, diarrhea, nausea, flatulence, abdominal pain, or constipation; or dry mouth. Some studies indicate headache is common. The most common Nexium side effects appear to be gastrointestinal. This medication can interfere with the absorption of certain drugs.