Penicillin G Benzathine (Bicillin L-A) Uses, Side Effects & Dosage (original) (raw)

What is penicillin g benzathine? What is penicillin g benzathine used for?

Penicillin G benzathine (Bicillin L-A) is a penicillin antibiotic that is given by deep intramuscular injection. Penicillin G benzathine kills susceptible bacteria by inhibiting the synthesis or formation of bacterial cell wall. It is thought to preferentially bind to specific penicillin-binding proteins (PBPs) found inside the bacterial cell wall. The end result of the inhibition of bacterial cell synthesis is cell lysis and the death of the susceptible bacteria.

Penicillin G benzathine has poor solubility and is therefore very slowly released from the site of injection. In the blood, penicillin G benzathine is broken down to penicillin G. Penicillin G benzathine formulation is released and absorbed slowly to allow for a more prolonged duration of action (drug works slowly over an longer period of time).

What brand names are available for penicillin g benzathine?

Bicillin L-A

Is penicillin g benzathine available as a generic drug?

Not available in the US

Do I need a prescription for penicillin g benzathine?

Yes

What are the side effects of penicillin g benzathine?

Side effects associated with penicillin G benzathine treatment are:

QUESTION Bowel regularity means a bowel movement every day. See Answer

What is the dosage for penicillin g benzathine?

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****### Which drugs or supplements interact with penicillin g benzathine?**

: Penicillin G benzathine may decrease the renal tubular secretion (elimination via the kidneys) of methotrexate (Trexall, Rheumatrex) causing an increase in blood levels of methotrexate. Patients on combination therapy should be closely monitored for the occurrence of side effects.

Penicillin G benzathine may interfere with the body's response to the live typhoid vaccine (Vivotif Berna Vaccine). The general recommendation is to wait 24 hours or longer since the administration of the last dose of the antibiotic before administrating the vaccine.

Penicillin G benzathine may decrease the effectiveness of oral contraceptives(birth control pills). Patients may need to use a backup method of contraceptivewhile on antibiotic treatment.

Coadminstration of penicillin G benzathine with warfarin (Coumadin) may increase the risk of bleeding. Antibiotics may inhibit vitamin K synthesis and warfarin is a vitamin K antagonist (also inhibits the action of vitamin K). Patients on combination therapy should be closely monitored for signs or symptoms of bleeding.

Is penicillin g benzathine safe to take if I'm pregnant or breastfeeding?

Penicillin G benzathine is excreted in human milk. Due to the lack of safety data, penicillin G benzathine should be used cautiously in females who are breastfeeding.

What else should I know about penicillin g benzathine?

What preparations of penicillin g benzathine are available?

Penicillin G benzathine injectable suspension: 1 ml (600,000 units per syringe), 2 ml (1,200,000 units per syringe), and 4 ml (2,400,000 units per syringe).

How should I keep penicillin g benzathine stored?

Suspension should be stored in a refrigerator, between 2 C and 8 C (36 F and 86 F).

Summary

Penicillin G benzathine injectable suspension (Bicillin L-A) is an antibiotic prescribed to treat upper respiratory infection and STDs like syphilis. Penicillin G also is prescribed to prevent rheumatic fever (chorea). Side effects, drug interactions, dosage, storage, and pregnancy safety information should be reviewed prior to using this medication.

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References

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