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)

Cephalexin (GenRx) is a medicine containing the active ingredient(s) cefalexin. On this page you will find out more about Cephalexin (GenRx), including side effects, age restrictions, food interactions and whether the medicine is subsidised by the government on the pharmaceutical benefits scheme (PBS)

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. healthdirect medicines information is not intended for use in an emergency. If you are suffering an acute illness, overdose, or emergency condition, call triple zero (000) and ask for an ambulance.

Reasonable care has been taken to provide accurate information at the time of creation. This information is not intended to substitute medical advice, diagnosis or treatment and should not be exclusively relied on to manage or diagnose a medical condition. Please refer to our terms and conditions.

Active ingredient in this medicine: cefalexin

Pack size information

Please select the pack size from the options directly below to view information on the medicine.

Information for medicine and pack size:
Cephalexin (GenRx) 250 mg/5 mL powder for oral liquid, 100 mL

Consumer Medicine Information leaflet:

No consumer medicine information leaflet was found for the pack size you selected. It may be unavailable or there may be a technical problem. You should speak to your pharmacist, healthcare professional, or call healthdirect on 1800 022 222 for more information.

What this medicine is 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.

Table of characteristics
Table of characteristics
Active ingredient
Visual appearance Orange-yellow granules forming an orange-yellow suspension upon reconstitution with water
Dosage Form Suspension, powder for
Route of administration Oral
Medicine schedule
100mL: Prescription Only Medicine, or Prescription Animal Remedy

There is one type of pack available.

Pack type 1
Pack type 1
Type Bottle
Storage temperature Store below 25 degrees Celsius
Storage conditions See Product information for shelf life
Life time 3 Years
We were unable to verify that this medicine is available on the PBS (Pharmaceutical Benefits Scheme). Please consult your pharmacist if you need further information

The PBS provides a list of government subsidised medicines available to be dispensed to patients. Further information can be found on the Pharmaceutical Benefits Scheme website.

Go to PBS site

Is this medication banned in sport?

Check if you can use your medicine whilst playing sport. Search the Australian Sports Anti-Doping Authority (ASADA) database that provides information about the prohibited status of specific medications and/or the active ingredient based on the current World Anti-Doping Agency (WADA) Prohibited List.

Go to ASADA site

The information displayed on this page is authored by Healthdirect Australia, or obtained from trusted sources.
Check your symptoms Find a health service

Healthdirect 24hr 7 days a week hotline

24 hour health advice and information 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

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
Feedback