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Principen

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DRUG DESCRIPTION

PRINCIPEN Capsules (Ampicillin Capsules USP) 250 mg and 500 mg
PRINCIPEN for Oral Suspension (Ampicillin for Oral Suspension USP) 125 mg/5 mL and 250 mg/5 mL

Ampicillin trihydrate is a semisynthetic penicillin derived from the basic penicillin nucleus, 6-aminopenicillanic acid. Ampicillin is designated chemically as (2S, 5R, 6R)-6-[(8)-2-Amino-2-phenylacetamido]-3,3-dimethyl-t-oxo-4-thia-1- azabicyclo[3.2.0] heptane-2-carboxylic acid. The chemical formula is C16H19N3O4S·3H2O and its molecular weight is 403.45.

This is the anhydrous form of ampicillin. It is prepared as the trihydrate form attached to 3 water (H2O) molecules.

PRINCIPEN Capsules (Ampicillin Capsules USP) for oral administration provide ampicillin trihydrate equivalent to 250 mg and 500 mg ampicillin.
Inactive ingredients: black iron oxide, gelatin, FD&C Blue #1, FD&C Red #3, FD&C Red #40, lactose monohydrate, silica gel, and titanium dioxide.
PRINCIPEN for Oral Suspension (Ampicillin for oral suspension USP) provide, after constitution, ampicillin trihydrate equivalent to 125 mg and 250 mg ampicillin per 5 mL.
Inactive ingredients: antifoam AF emulsion, Atmos 300, colloidal silicon dioxide, FD&C Red #40, lecithin, natural and artificial flavors, sucrose, sodium citrate, sodium benzoate, and vanillin.
Brand Name: Principen
Generic Name: Ampicillin
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