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Cephalexin

سفالکسین

⚠ Unverified

💊 AntibioticsFirst-generation cephalosporin

Market / country: 🇺🇸 USA

Keflex (US)

🧮 Dose calculator

Disease / regimen

Acute otitis media · Regimen source: FDA Cephalexin · 2.2

• Treat 7 to 14 days; at least 10 days for beta-hemolytic streptococcal infection. FDA Cephalexin · 2.2

Formulation

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🛡️ Safety & information

Contraindications

⛔ Known hypersensitivity to cephalexin or other cephalosporins. FDA Cephalexin · 4
⛔ Safety and effectiveness not established in pediatric patients younger than one year. FDA Cephalexin · 8.4

Warnings

• Hypersensitivity reactions FDA Cephalexin · 5.1
• Clostridioides difficile-associated diarrhea FDA Cephalexin · 5.2
• Seizure potential FDA Cephalexin · 5.4
• Prolonged prothrombin time FDA Cephalexin · 5.5

Important interactions

• Increased metformin exposure FDA Cephalexin · 7.1
• Probenecid inhibits renal excretion of cephalexin FDA Cephalexin · 7.2

Renal adjustment

• eGFR < 30: CrCl <30 mL/min (≥15 years): adjust per label Table 2. FDA Cephalexin · 2.4

Formulations

125 mg / 5 mL — suspension 🇺🇸 USA FDA Cephalexin · 3
250 mg / 5 mL — suspension 🇺🇸 USA FDA Cephalexin · 3

📚 Reference status for this drug

Shows which sources have references recorded for this drug and which do not.

FDA label (DailyMed)✅ Present
FDA Cephalexin · 3 FDA Cephalexin · 2.2 FDA Cephalexin · 2.2, Table 1 FDA Cephalexin · 2.1 FDA Cephalexin · 4 FDA Cephalexin · 8.4 FDA Cephalexin · 5.1 FDA Cephalexin · 5.2 FDA Cephalexin · 5.4 FDA Cephalexin · 5.5 FDA Cephalexin · 2.4 FDA Cephalexin · 7.1 FDA Cephalexin · 7.2
UK SmPC (eMC / MHRA)❌ Not present
Published guideline❌ Not present
Licensed reference (medical school)❌ Not present
Iranian leaflet (IFDA)❌ Not present
Clinical review⚠ Unverified