Cephalexin
Cephalexin Anhydrous is a first-generation cephalosporin antibiotic used to treat a variety of bacterial infections. It works by inhibiting bacterial cell wall synthesis, making it effective against susceptible gram-positive and some gram-negative organisms. This medication is commonly prescribed for respiratory tract infections, skin and soft tissue infections, ear infections, and urinary tract infections.
Cephalexin Anhydrous is a first-generation cephalosporin antibiotic used to treat bacterial infections by inhibiting cell wall synthesis.
Key facts at a glance
- RxNorm
- 1299782
- Generic
- Cephalexin Anhydrous
- Class
- pin-variant
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treats respiratory tract infections, skin and soft tissue infections, otitis media (ear infections), bone infections, and urinary tract infections caused by susceptible bacteria.
As a beta-lactam antibiotic, it inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins, leading to bacterial cell death.
Patients with penicillin allergies may experience cross-reactivity. Common side effects include gastrointestinal disturbances and allergic reactions. Complete the full prescribed course even if symptoms improve. May interact with certain medications; inform your provider of all current medications.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy