What is cephalexin antibiotic used for?

What is Cephalexin Antibiotic Used for in Australia?

Cephalexin is a commonly prescribed antibiotic in Australia, widely recognized for its effectiveness in treating a variety of bacterial infections. As a member of the cephalosporin family, cephalexin works by targeting and eliminating bacteria responsible for infections in different parts of the body. This blog post explores the primary uses of cephalexin in Australia, how it functions, and important considerations for its use.

What Infections Does Cephalexin Treat?

In Australia, cephalexin is used to combat bacterial infections affecting multiple body systems, including:

Respiratory Tract Infections: Cephalexin treats infections in the throat, tonsils, sinuses, chest, and lungs caused by bacteria such as Streptococcus pneumoniae and Streptococcus pyogenes.
Ear Infections: It is effective against middle ear infections (otitis media), targeting common bacteria like Haemophilus influenzae and Staphylococcus aureus.
Skin and Soft Tissue Infections: Cephalexin helps clear infections such as cellulitis, abscesses, and wound infections caused by Staphylococcus aureus and Streptococcus pyogenes.
Genitourinary Tract Infections: This includes urinary tract infections (UTIs), bladder infections, kidney infections, and prostatitis caused by bacteria like Escherichia coli, Proteus mirabilis, and Klebsiella pneumoniae.
Bone Infections: Cephalexin can also be used in managing osteomyelitis, an infection of the bone.

It is important to note that cephalexin is ineffective against viral infections such as the common cold or influenza.

How Does Cephalexin Work?

Cephalexin belongs to the cephalosporin class of antibiotics, which kill bacteria by interfering with their ability to build strong cell walls. Without a proper cell wall, bacteria rupture and die, which helps clear the infection from the body. This bactericidal action makes cephalexin highly effective against many gram-positive and some gram-negative bacteria.

Forms and Availability in Australia

Cephalexin is available only by prescription in Australia and comes in various forms, including capsules and oral suspensions. Different brands may vary in appearance and packaging, but the active ingredient and its effectiveness remain consistent.

Important Usage Notes

Complete the Full Course: It’s essential to finish the entire prescribed course of cephalexin to fully eradicate the infection and prevent it from returning.
Not for Viral Infections: Cephalexin will not treat viral illnesses like colds or the flu.
Allergy Considerations: People allergic to penicillin or cephalosporins should inform their healthcare provider before taking cephalexin due to potential cross-reactivity.
Pregnancy and Breastfeeding: Cephalexin is generally considered safe during pregnancy and breastfeeding but should be used under medical supervision.

Summary

Cephalexin is a trusted antibiotic in Australia used to treat a wide range of bacterial infections, including those affecting the respiratory system, ears, skin, urinary tract, and bones. Its ability to kill bacteria by disrupting their cell walls makes it a powerful tool in fighting infections. Always use cephalexin under medical guidance, complete the full course, and consult your doctor if you have any concerns or experience side effects.

References:

Healthdirect Australia: Cephalexin Overview
NPS MedicineWise: APO-Cephalexin Capsules Consumer Information
StatPearls: Cephalexin Indications and Uses
Australian Commission on Safety and Quality in Health Care: Antimicrobial Use in Australia

Citations:

Answer from Perplexity: pplx.ai/share