Pediazole is a combination of erythromycin ethylsuccinate, USP, and sulfisoxazole acetyl, USP. When reconstituted with water as directed on the label, the granules form a white, strawberry-banana flavor suspension that provides the equivalent of 200 mg erythromycin activity and the equivalent of 600 mg of sulfisoxazole activity per teaspoonful (5 mL).

Erythromycin is produced by a strain of Saccaropolyspora erythraea and belongs to the macrolide group of antibiotics. It is basic and readily forms salts and esters. Erythromycin ethylsuccinate is the 2'-ethylsuccinyl ester of erythromycin. It is essentially a tasteless form of the antibiotic suitable for oral administration, particularly in suspension dosage forms. The chemical name is erythromycin 2'-(ethyl succinate).

Sulfisoxazole acetyl or N ¹ -acetyl sulfisoxazole is an ester of sulfisoxazole. Chemically, sulfisoxazole is N-(3,4-Dimethyl-5-isoxazolyl)-N-sulfanilylacetamide.

Inactive Ingredients:   Citric acid, magnesium aluminum silicate, poloxamer, sodium carboxymethylcellulose, sodium citrate, sucrose and artificial flavoring.

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