Cephalexin is the generic equivalent of the brand-name drug Cephalexin. Licensed pharmacies, clinics, doctor's offices, and veterinary practices can source wholesale Cephalexin through Premier Pharma with same-day fulfillment on in-stock SKUs.
FDA Drug Information
Indications & Usage
1 INDICATIONS & USAGE Cephalexin is a cephalosporin antibacterial drug indicated for the treatment of the following infections caused by susceptible isolates of designated bacteria: Respiratory tract infection ( 1.1 ) Otitis media ( 1.2 ) Skin and skin structure infections ( 1.3 ) Bone infections ( 1.4 ) Genitourinary tract infections ( 1.5 ) To reduce the development of drug-resistant bacteria and maintain the effectiveness of cephalexin and other antibacterial drugs, Cephalexin should be used only to treat infections that are proven or strongly suspected to be caused by bacteria. ( 1.6 ) 1.1 Respiratory Tract Infections Cephalexin is indicated for the treatment of respiratory tract infecti…
Adverse Reactions
6 ADVERSE REACTIONS The following serious events are described in greater detail in the Warning and Precautions section: Hypersensitivity reactions [ see Warning and Precautions ( 5.1 ) ] Clostridium difficile-associated diarrhea [ see Warnings and Precautions ( 5.2 ) ] Direct Coombs' Test Seroconversion [ see Warnings and Precautions ( 5.3 ) ] Seizure Potential [ see Warnings and Precautions ( 5.4 ) ] Effect on Prothrombin Activity [ see Warnings and Precautions ( 5.5 ) ] Development of Drug-Re…
Drug Interactions
7 DRUG INTERACTIONS Metformin: increased metformin concentrations. Monitor for hypoglycemia. ( 7.1 ) Probenecid- The renal excretion of cephalexin is inhibited by probenecid. Co-administration of probenecid with cephalexin is not recommended. ( 7.2 ) Administration of cephalexin may result in a false-positive reaction for glucose in the urine. ( 7.3 ) 7.1 Metformin Administration of cephalexin with metformin results in increased plasma metformin concentrations and decreased renal clearance of me…
Dosage & Administration
2 DOSAGE & ADMINISTRATION Adults and patients at least 15 years of age The usual dose is 250 mg every 6 hours, but a dose of 500 mg every 12 hours may be administered ( 2.1 ) Pediatric patients (over 1 year of age) • Otitis media: 75 to 100 mg/kg in equally divided doses every6 hours ( 2.2 ) • All other indications: 25 to 50 mg/kg given in equally divided doses ( 2.2 ) • In severe infections: 50 to 100 mg/kg may be administered in equally divided doses ( 2.2 ) • Duration of therapy ranges from 7…
Patient Counseling Information
17 PATIENT COUNSELING INFORMATION Allergic Reactions Advise patients that allergic reactions, including serious allergic reactions, could occur and that serious reactions require immediate treatment. Ask the patient about any previous hypersensitivity reactions to cephalexin, other beta-lactams (including cephalosporins) or other allergens (5.1) Diarrhea Advise patients that diarrhea is a common problem caused by antibacterial drugs and usually resolves when the drug is discontinued. Sometimes, frequent watery or bloody diarrhea may occur and may be a sign of a more serious intestinal infectio…
Source: FDA. For professional use only. Not a substitute for prescribing information.
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