Omeprazole Dissertation

OMEPRAZOLE.

Omeprazole was one of the first wasserstoffion (positiv) (fachsprachlich) pump blockers bought on the market in the late 1980's, they look to be the medicine of choice for some gastric related disorders (Der, 2003) Omeprazole is the author's drug of preference and it will become demonstrated through a drug platform. This drug features particular fascination because of the gastroenterology nursing environment the author performs in. Debate based surrounding the drug structure will include, composition, formulation, signs for use, pharmacodynamic effect, pharmacokinetic effects, contraindications, adverse effect, interactions with other drugs and lastly monitoring, moral and legalities relating to Omeprazole.

Omeprazole is the generic name given to the drug, it is also commonly known as Losec (trade name). Omeprazole can be used mainly for the treatment of gastro esophageal reflux disease (gord), duodenal and intestinal, digestive, gastrointestinal ulcers, acid related fatigue which is additionally know since heartburn (Biddle, 2003). The literature also states that Omeprazole is employed in the treatment or removal of H. pylori, a bacterium which could weaken the liner of the tummy and bring about ulceration.

The appearance of Omeprazole is definitely an off white coloured transparent powder which is freely sencillo in ethanol, methanol and partially sencillo in normal water. The active component comes from a chemical course named benzimidazole and is split up as: 5-methoxy-2-[[(4-methoxy-3, 5-dimethyl-2-pyridinyl) methyl] sulfinyl]-1H- benzimidazole, this substance inhibits digestive, gastrointestinal secretion. The empirical formula of Omeprazole is C17H19N3O3S, excellent molecular fat of 345. 42 and has a structural formula shown below: [pic](Rxlist. com, 2007)

In New Zealand Omeprazole is available in several formulations. Omeprazole oral postponement, interruption for use with nasogastric tubes and patients with swallowing troubles. Omeprazole late release capsules with enteric coated granules, available in 10mg, 20mg, and 40mg dosages. Omeprazole 40mg powder and H20 solvent for intravenous therapy and Omeprazole 40mg for continuous intravenous infusion. It should be noted below, that Losec was financed by pharmac in Fresh Zealand and is the most common brand referred by the public of the drug Omeprazole. However Doctor Reddy is now funded in New Zealand and Omeprazole is simply at this point known as Omeprazole.

Pharmacodynamics may be the effect Omeprazole has on the entire body and how the drug accomplishes this process, (Bryant, Knights, Salerno, 2003). Omeprazole is what as know like a proton pump inhibitor, wasserstoffion (positiv) (fachsprachlich) pump inhibitors block the ultimate stage in gastric chemical p secretion and disrupts the chemical joining process in the parietal cells in the gastric mucosa (stomach), which in turn disturbs acid production. Simply, Omeprazole binds to hydrogen-potassium adenosine triphosphate (H+, K+ -ATPase) to block acid formation. However the process through which this arises is much more intricate. To understand this process it is important to explain acid secretion and how a proton pump inhibitor capabilities in the acidity secretion procedure. As mentioned inside the latter acid solution secretion happens in the digestive, gastrointestinal parietal cells in the tummy by an enzyme program (proton pump). This then simply catalyses the exchange of intracellular hydrogen for extra cell phone potassium (K+). Hydrochloric acid (HCL) (major component of intestinal, digestive, gastrointestinal acid) is definitely stimulated by three excitatory G-coupled healthy proteins receptor paths, gastrin receptors which are induced by the G cells found in the abdomen antrum. Muscarinic (MВ№, MВі ) pain which are on the parietal cellular material which are triggered by acetylcholine which is introduced from neurons in the parietal cells and lastly Histamine receptors which is secreted from enterochromaffin cells. (Taylor, Reid, 2001). Proton pump inhibitors happen to be weak facets and your parietal cells via blood and diffuse into the acidulent environment of secretary cannaliculi of the parietal cells. Because of the surplus of H+ ion (protonation) Omeprazole is...

References: AstraZeneca (2006). LOSEC Intravenous. [Product data sheet]. New South Wales, Quotes.

AstraZeneca (2006). LOSEC: Omeprazole magnesium postponed released tablets. [Product monograph]. Ontario, Canada.

Biddle, W., (2003) Gastrosphageal Reflux Disease: Current Treatment Approaches. Gastroenterology Nursing jobs, 26(6) pg, 228 – 236.

Bryant, B., Knights, K., Salerno, E. (2003) Pharmacology pertaining to health professionals. Australia: Mosby

CMP Medica

Jeder, G. (2003) An overview of Proton Pump Inhibitors. Gastroenterology Nursing, 26(5) pg 182-190.

Faber, L., Azzugnuuni, H., DiRommana, M., Vanhaverbeek, D. (1990) Perilous confusion among Lasix and Losec, Lancet 6: 338, p56-57.

Kell, P. (2005). Phar4macodynamics [NURX 416 Nursing – applied pharmacology 2008 course notes]. Christchurch, New Zealand: University of Otago.

Prilosec Side Effects & Drug Relationships. RxList. com (2007). Retrieved on 05. 03. '08

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Up-To-Date. (2007). Omeprazole: Drug information. Lexi-Comp



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