Bicillin L-A (Penicillin G Benzathine) - RxList Monographs
- Use, administration, and other prescribing information for this antibiotic designed for deep intramuscular injection.
- http://www.rxlist.com/cgi/generic3/bicillinla.htm

Penicillin G Potassium - RxList Monographs
- Dosing, administration, and other prescribing information for buffered Pfizerpen for injection, an antibacterial agent used such pathogens as syphilis and anthrax.
- http://www.rxlist.com/cgi/generic3/pengk.htm

Bicillin CR (Penicillin G Benzathine and Penicillin G Procaine Suspension) - RxList Monographs
- Side effects, drug interactions, and other prescribing information.
- http://www.rxlist.com/cgi/generic2/bicillincr.htm

DrugDigest: Penicillin
- Information on dosage, usage, side effects, interactions, and drug comparisons, including generics when available.
- http://www.drugdigest.org/DD/DVH/Uses/0,3915,525%7CPenicillin%2BV%2BPotassium,00.html

Penicillin TOC
- Clinical information including: Pharmacology, indications, adverse reactions, and cautions.
- http://www.infomed.org/100drugs/penitoc.html

Penicillin VK
- Information from the RxList.
- http://www.rxlist.com/cgi/generic/penvk.htm