Prevacid I.V. (Lansoprazole for Injection) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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May 26, 2012

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Peptic Ulcer »

Peptic ulcer facts

Peptic ulcers are sores in the lining of the stomach or duodenum.
Peptic ulcer formation is related to H. pylori bacteria in the stomach and nonsteroidal anti-inflammatory medications (NSAIDs) in 50% of patients. For the remaining 50% there are miscellaneous or unknown causes.
Ulcer pain may not correlate with the presence or severity of ulceration.
The main symptom of peptic ulcer is upper abdominal pain which can be dull, sharp, or burning. (Bloating and burping are not symptoms of peptic ulcer, and vomiting, poor appetite, and nausea are uncommon symptoms of peptic ulcer.)
Diagnosis of ulcer is made with upper GI series or endoscopy.
Treatment of ulcers involves antibiotic combinations along with stomach acid suppression to eradicate H. pylori, eliminating precipitating factors such as NSAIDs and stomach acid suppression...

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Prevacid I.V.

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PREVACID® I.V.
(lansoprazole)
for Injection
30 mg/vial

DRUG DESCRIPTION

The active ingredient in PREVACID I.V. (lansoprazole) for Injection is a substituted benzimidazole, 2-[[[3-methyl-4-(2,2,2-trifluoroethoxy)-2-pyridyl] methyl] sulfinyl] benzimidazole, a compound that inhibits gastric acid secretion. Its empirical formula is C₁₆H₁₄F₃N₃O₂S with a molecular weight of 369.37. PREVACID has the following structure:

Prevacid I.V (lansoprazole) structural formula illustration

Lansoprazole is a white to brownish-white odorless crystalline powder which melts with decomposition at approximately 166°C. Lansoprazole is freely soluble in dimethylformamide; soluble in methanol; sparingly soluble in ethanol; slightly soluble in ethyl acetate, dichloromethane and acetonitrile; very slightly soluble in ether; and practically insoluble in hexane and water.

Lansoprazole is stable when exposed to light for up to two months. The rate of degradation of the compound in aqueous solution increases with decreasing pH.

PREVACID I.V. for Injection contains 30 mg of the active ingredient lansoprazole, 60 mg mannitol, 10 mg meglumine, and 3.45 mg sodium hydroxide and is supplied as a sterile, lyophilized powder for I.V. (intravenous) use. The solution of PREVACID I.V. (lansoprazole for injection) for Injection has a pH of approximately 11 following the first reconstitution with Sterile Water for Injection, USP, and approximately 10.2, 10.0, or 9.5 after further dilution with either 0.9% Sodium Chloride Injection, USP, Lactated Ringer's Injection, USP, or 5% Dextrose Injection, USP, respectively.

What are the precautions when taking lansoprazole for injection (Prevacid I.V.)?

Before using lansoprazole, tell your doctor or pharmacist if you are allergic to it; or to similar drugs (e.g., omeprazole, pantoprazole); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: liver disease, other stomach problems (e.g., tumors).

Some symptoms may actually be signs of a more serious condition. Tell your doctor immediately if you have: heartburn combined with lightheadedness/sweating/dizziness, chest pain or shoulder/jaw pain (especially with trouble breathing), pain spreading to arms/neck/shoulders, unexplained weight loss.

Proton...

Read All Potential Precautions of Prevacid I.V. »

Last reviewed on RxList: 7/11/2007
This monograph has been modified to include the generic and brand name in many instances.