| Ampicillin is the semi-synthetic beta-lactam antibiotic generic drug used to formulate its
branded version called Omnipen made by Wyeth Laboratories Inc of the United States. It works by inhibiting the bacterial cell
wall synthesis. This drug was developed in 1961 and offered the boarder range of activity than either of the novel penicillin.
Ampicillin was officially cleared by the Food and Drug Administration-FDA in 1963. It is closely related to another penicillin
drug-amoxicillin. Omnipen is brand name for generic version of Ampicillin given by its producer Wyeth Laboratories Inc.
Omnipen is indicated for treating infections like middle ear, sinuses, bladder, kidney and uncomplicated gonorrhea.
It is also used intravenously for treating meningitis and other serious types of bacterial infections. It is directed to
be taken with full glass of water either on empty stomach at least before one hour or after two hours of taking meals.
Unlike penicillin, Ampicillin-Omnipen and amoxicillin can penetrate and prevent the growth of specific kinds of bacteria
known as gram-negative bacteria.
This is the prescription class of medication with approved dose size ranging from 100mg to 500mg precisely for oral dose: Tablet of
250mg and 500mg, Oral suspension: 100mg/ml, 125mg/ml, 250mg/ml and Injections: 10g, 125mg, 125mg/vial, 1g, 1gm/vial, 250mg/vial, 2g,
2gm/vial, 500mg, 500mg/vial. The FDA recommends conditions for its storing like the tablet should be stored at temperatures between
15 and 30 degrees C while the suspension form should be stored refrigerated and may be used for only up to 14 days after it is
reconstituted by the pharmacist.
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