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Bicillin L-A TM

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.

Active ingredients: benzathine benzylpenicillin

Brand name


: BICILLIN L-A benzathine benzylpenicillin tetrahydrate 1,200,000 Units / 2.3 mL suspension for injection pre-filled syringe with needle

Download the Consumer Medicine Information Leaflet

Download consumer medicine information leaflet (pdf) from the Therapeutic Goods Administration (TGA) website

What this medicine is used for


Intramuscular benzathine penicillin 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 penicillin: 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 penicillin therapy is indicated as prophylaxis: Rheumatic fever and/or chorea - Prophylaxis with benzathine penicillin has proven effective in preventing recurrence of these conditions. It has also been used as a follow-up prophylactic therapy for preventing rheumatic heart disease and acute glomerulonephritis.

How to use this medicine


This medicine contains one component only.

Component :

  • Injection, suspension
  • Intramuscular
  • White fluid suspension

Storage conditions


  • Store at 2 to 8 degrees Celsius
  • Do not Freeze
  • Refrigerate
  • Shelf lifetime is 3 Years.

Do I need a prescription ?


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

  • 10 pre-filled syringes pack
  • 5 pre-filled syringes pack

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.

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

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