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RX BIN: 015558
Group ID: DDN6600
Card Holder ID: DDN6600

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2018 Price of Cephalexin

Cephalexin 250 mg tablet



* price without discount in nearest pharmacy. Price may vary.

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What is Cephalexin

A semisynthetic cephalosporin antibiotic with antimicrobial activity similar to that of cephaloridine or cephalothin, but somewhat less potent. It is effective against both gram-positive and gram-negative organisms.

Cephalexin mechanism of action

Cephalexin, like the penicillins, is a beta-lactam antibiotic. By binding to specific penicillin-binding proteins (PBPs) located inside the bacterial cell wall, it inhibits the third and last stage of bacterial cell wall synthesis. Cell lysis is then mediated by bacterial cell wall autolytic enzymes such as autolysins; it is possible that cephalexin interferes with an autolysin inhibitor.

Dosage forms of Cephalexin

Form Route Strength
Capsule oral 250 mg/1
Capsule oral 333 mg/1
Capsule oral 500 mg/1
Prescription Generics


International Brands



(6R,7R)-7-{((2R)-2-amino-2-phenylacetyl)amino}-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid 7-(D-alpha-Aminophenylacetamido)desacetoxycephalosporanic acid


Apotex Inc

CAS number






Affected organisms

Enteric bacteria and other eubacteria

Indication of Cephalexin

For the treatment of respiratory tract infections caused by iStreptococcus pneumoniae /i and iStreptococcus pyogenes /i; otitis media due to iStreptococcus pneumoniae /i, iHaemophilus influenzae /i, iStaphylococcus aureus /i, iStreptococcus pyogenes /i, and iMoraxella catarrhalis /i; skin and skin structure infections caused by iStaphylococcus aureus /i and/or iStreptococcus pyogenes /i; bone infections caused by iStaphylococcus aureus /i and/or iProteus mirabilis /i; genitourinary tract infections, including acute prostatitis, caused by iEscherichia coli /i, iProteus mirabilis /i, and iKlebsiella pneumoniae /i.

Toxicity of Cephalexin

Symptoms of overdose include blood in the urine, diarrhea, nausea, upper abdominal pain, and vomiting. The oral median lethal dose of cephalexin in rats is 5000 mg/kg.

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