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Benzathine benzylpenicillin

Combination of
Benzylpenicillin	Antibiotic
Clinical data
ATC code	J01CE08 (WHO)
Identifiers
CAS Number	54-35-3
PubChem CID	15232
E number	E708 (antibiotics)
CompTox Dashboard (EPA)	DTXSID2047804
ECHA InfoCard	100.014.782
(verify)

Benzathine benzylpenicillin (rINN) is a form of penicillin also known as benzathine penicillin. It is slowly absorbed into the circulation, after intramuscular injection, and hydrolysed to benzylpenicillin in vivo. It is the drug-of-choice when prolonged low concentrations of benzylpenicillin are required and appropriate, allowing prolonged antibiotic action over 2–4 weeks after a single IM dose. It is marketed by Wyeth under the trade name Bicillin L-A.

Specific indications for benzathine penicillin include:

• Prophylaxis of rheumatic fever
• Early or latent syphilis

Compendial status

• British Pharmacopoeia

This section needs expansion. You can help by adding to it. (March 2010)

References

1. Rossi S, editor, ed. (2006). Australian Medicines Handbook. Adelaide: Australian Medicines Handbook. ISBN 0-9757919-2-3. {{cite book}}: |editor= has generic name (help)
2. British Pharmacopoeia Commission Secretariat. "Index (BP 2009)" (PDF). Retrieved 26 March 2010. {{cite web}}: Cite has empty unknown parameter: |coauthors= (help)

See also

• Drug allergy

• Use dmy dates from January 2011
• Beta-lactam antibiotics
• World Health Organization essential medicines
• Combination drugs