Bicillin C-R (penicillin G benzathine and penicillin G procaine injectable
suspension) contains equal amounts of the benzathine and procaine salts of penicillin
G. It is available for deep intramuscular injection.
Penicillin G benzathine is prepared by the reaction of dibenzylethylene diamine
with two molecules of penicillin G. It is chemically designated as (2S,5R,6R)-3,3-Dimethyl-7-oxo-6-(2-phenylacetamido)-4-thia-1-azabicyclo[3.2.0]hep-tane-2-carboxylic
acid compound with N,N'-dibenzylethylenediamine (2:1), tetrahydrate. It occurs
as a white, crystalline powder and is very slightly soluble in water and sparingly
soluble in alcohol. Its chemical structure is as follows:
Penicillin G procaine, (2S,5R,6R)-3,3-Dimethyl-7-oxo-6-(2-phenylacetamido)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic
acid compound with 2-(diethylamino)ethyl p-aminobenzoate (1:1) monohydrate,
is an equimolar salt of procaine and penicillin G. It occurs as white crystals
or a white, microcrystalline powder and is slightly soluble in water. Its chemical
structure is as follows:
Each TUBEX®‚ cartridge (1 mL size) contains the equivalent of 600,000
units of penicillin G comprising: the equivalent of 300,000 units penicillin
G as the benzathine salt and the equivalent of 300,000 units penicillin G as
the procaine salt in a stabilized aqueous suspension with sodium citrate buffer;
and as w/v, approximately 0.5% lecithin, 0.55% carboxymethylcellulose, 0.55%
povidone, 0.1% methylparaben, and 0.01% propylparaben.
Each TUBEX‚ cartridge (2 mL size) contains the equivalent of 1,200,000
units of penicillin G comprising: the equivalent of 600,000 units of penicillin
G as the benzathine salt and the equivalent of 600,000 units of penicillin G
as the procaine salt in a stabilized aqueous suspension with sodium citrate
buffer; and as w/v, approximately 0.5% lecithin, 0.55% carboxymethylcellulose,
0.55% povidone, 0.1% methylparaben, and 0.01% propylparaben.
Bicillin C-R injectable suspension in the TUBEXformulation is viscous and opaque.
Read CONTRAINDICATIONS, WARNINGS,
PRECAUTIONS, and DOSAGE
AND ADMINISTRATION sections prior to use.
What are the possible side effects of benzathine penicillin and procaine penicillin (Bicillin C-R, Bicillin C-R 900/300)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- fever, sore throat, and headache with a severe blistering, peeling, and red skin rash;
- skin rash with bruising, severe tingling, numbness, pain, muscle weakness;
- rash or itching with swollen glands, joint pain, or...
Read All Potential Side Effects and See Pictures of Bicillin C-R Tubex »
What are the precautions when taking penicillin g benzathine and penicillin g procaine injection (Bicillin C-R Tubex)?
Before using this medication, tell your doctor or pharmacist if you are allergic to it; or to penicillin or cephalosporin antibiotics; or to procaine; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, asthma.
Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, elderly people may be at greater risk for side effects while using this drug.
Kidney function is not fully developed in newborns/infants. This medication is removed by the kidneys. Therefore, newborns/infants may be at greater...
Read All Potential Precautions of Bicillin C-R Tubex »
Last reviewed on RxList: 2/25/2009
This monograph has been modified to include the generic and brand name in many instances.