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Brand name: Bicillin L-A TM

Active ingredients: benzathine benzylpenicillin

What it is used for

Intramuscular benzathine benzylpenicillin is indicated in the treatment of infections due to penicillin-sensitive micro-organisms that are susceptible to the low and very prolonged serum levels common to this particular dosage form. Therapy should be guided by bacteriological studies (including sensitivity tests) and by clinical response. The following infections will usually respond to adequate dosage of intramuscular benzathine benzylpenicillin: Streptococcal infections (Group A - without bacteraemia). Mild-to-moderate infections of the upper respiratory tract (e.g., pharyngitis). Venereal infections - Syphilis, yaws, bejel and pinta. Medical conditions in which benzathine benzylpenicillin therapy is indicated as prophylaxis: Rheumatic fever and/or chorea - Prophylaxis with benzathine benzylpenicillin has proven effective in preventing recurrence of these conditions. It has also been used as follow-up prophylactic therapy for rheumatic heart disease and acute glomerulonephritis.

How to take it

The way to take this medicine is: Intramuscular. This medicine is given through a needle inserted into the muscle beneath the skin.

  • Store at 2 to 8 degrees Celsius
  • Do not Freeze
  • Refrigerate
  • 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

White fluid suspension

Do I need a prescription?

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

Is this medicine subsidised?

This medicine was verified as being available on the PBS (Pharmaceutical Benefits Scheme) on April 1, 2024. To learn more about this subsidy, visit the Pharmaceutical Benefits Scheme (PBS) website.

Pregnant or planning a pregnancy?

For the active ingredient benzathine benzylpenicillin

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.

Consumer Medicines Information (CMI)

For side effects, taking other medicines and more

Print the CMI.

Listen to the CMI.


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 www.tga.gov.au/reporting-problems

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