Healthdirect Free Australian health advice you can count on.

Medical problem? Call 1800 022 222. If you need urgent medical help, call triple zero immediately

healthdirect Australia is a free service where you can talk to a nurse or doctor who can help you know what to do.

beginning of content

Brand name: Cephalexin (GenRx) TM

Listen to the Pronunciation:

Active ingredients: cefalexin

What it is used for

Treatment of the following infections when caused by susceptible strains of the designated microorganisms. Respiratory tract infections. Caused by S. pneumoniae and group A beta-haemolytic streptococci (penicillin is the usual drug of choice in the treatment and prevention of streptococcal infections, including the prophylaxis of rheumatic fever. Cephalexin is generally effective in the eradication of streptococci from the nasopharynx; however, substantial data establishing the efficacy of cephalexin in the subsequent prevention of rheumatic fever are not available at present). Bacterial sinusitis. Caused by streptococci, S. pneumoniae and S. aureus (methicillin sensitive only). Otitis media. Due to S. pneumoniae, staphylococci. Skin and skin structure infections. Caused by staphylococci and/or streptococci. Genitourinary tract infections, including acute prostatitis. Caused by E. coli, P. mirabilis, and klebsiella sp. The effectiveness of cephalexin in the treatment of bacterial infections of the brain and spinal column has not been established and cephalexin is not indicated in these conditions. Note: appropriate culture and susceptibility tests should be initiated prior to and during therapy to determine susceptibility of the causative organism to cephalexin. Renal function studies should be performed when indicated.

How to take it

The way to take this medicine is: Oral. This medicine is taken by mouth.

  • Store below 25 degrees Celsius
  • See Product information for shelf life
  • Shelf lifetime is 3 Years.

You should seek medical advice in relation to medicines and use only as directed by a healthcare professional.

Always read the label. If symptoms persist see your healthcare professional.

Visual appearance

Orange-yellow granules forming an orange-yellow suspension upon reconstitution with water

Do I need a prescription?

This medicine is available from a pharmacist and requires a prescription. It is Schedule 4 : Prescription Only Medicine.

Pregnant or planning a pregnancy?

For the active ingredient cefalexin

This medicine is generally considered safe during pregnancy if taken as directed. During pregnancy, you should discuss your medicine use with your doctor or pharmacist.

Reporting side effects

You can help ensure medicines are safe by reporting the side effects you experience.

You can report side effects to your doctor, or directly at

Back to top back to top

Healthdirect 24hr 7 days a week hotline

24 hour health advice you can count on

1800 022 222

Government Accredited with over 140 information partners

We are a government-funded service, providing quality, approved health information and advice

Australian Government, health department logo ACT Government logo New South Wales government, health department logo Northen Territory Government logo Government of South Australia, health department logo Tasmanian government logo Government of Western Australia, health department logo