Panixine
Generic name:cephalexin
Dosage form: Disperdose, tablet, soluble
Drug class:First generation cephalosporins
Medically reviewed by Drugs.com. Last updated on Nov 22, 2021.
On This Page
To reduce the development of drug-resistant bacteria and maintain the effectiveness of Panixine DisperDose and other antibacterial drugs, Panixine DisperDose should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.
The Panixine brand name has been discontinued in the U.S. If generic versions of this product have been approved by the FDA, there may be generic equivalents available.
Panixine Description
Cephalexin, USP is a semisynthetic cephalosporin antibiotic intended for oral administration. It is 7-(D-α-amino-α-phenylacetamido)-3-methyl-3-cephem-4-carboxylic acid monohydrate. Cephalexin has the molecular formula C16H17N3O4S•H2O and the molecular weight is 365.41.
Cephalexin has the following structural formula:
The nucleus of cephalexin is related to that of other cephalosporin antibiotics. The compound is a zwitterion; i.e., the molecule contains both a basic and an acidic group. The isoelectric point of cephalexin in water is approximately 4.5 to 5.
The crystalline form of cephalexin which is available is a monohydrate. It is a white crystalline solid having a bitter taste. Solubility in water is low at room temperature; 1 or 2 mg/mL may be dissolved readily, but higher concentrations are obtained with increasing difficulty.
