Wiktionary (0.00 / 0 votes) Rate this definition: middle finger (Noun) The finger between the forefinger and the ring finger; this is the longest finger. middle finger (Noun) An obscene gesture directed towards another as an insult.
Histamine H2-receptor antagonists, also known as H2-blockers, are used to treat duodenal ulcers and prevent their return. They are also used to treat gastric ulcers and for some conditions, such as Zollinger-Ellison disease, in which the stomach produces too much acid.In over-the-counter (OTC) strengths, these medicines are used to relieve and/or prevent heartburn, acid indigestion, and sour stomach.H2-blockers may also be used for other conditions as determined by your doctor. H2-blockers work by decreasing the amount of acid produced by the stomach.H2-blockers are available both over-the-counter (OTC) and with your doctor's prescription.hey are also used to treat gastric ulcers and for some conditions, such as Zollinger-Ellison disease, in which the stomach produces too much acid. In over-the-counter (OTC) strengths, these medicines are used to relieve and/or prevent heartburn, acid indigestion, and sour stomach.
A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes. Antihistamines are drugs that inhibit the action of histamine in the body by blocking the receptors of histamine. There are two types of histamine receptors H1 and H2. When H1 receptors are stimulated by histamine it may produce allergic reactions such as itching, hay fever and rash or hives.