A penicillin derivative commonly used in the form of its sodium or potassium salts in the treatment of a variety of infections. It is effective against most gram-positive bacteria and against gram-negative cocci. It has also been used as an experimental convulsant because of its actions on GAMMA-AMINOBUTYRIC ACID mediated synaptic transmission.

Synonyms: Penilevel, Benzylpenicillin Potassium, Penicillin G Potassium, Crystapen, Penicillin G, Penicillin G Sodium, Pengesod, Pfizerpen, Q42T66VG0C, Pekamin, YS5LY7JF4N, Ursopen, Penibiot, Or-pen, Sodium Benzylpenicillin, Sodium Penicillin, Penicillin Grünenthal, Penicilina G Llorente, Parcillin, Peniroger, Benzylpenicillin, Benpen, 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)- (2S-(2alpha,5alpha,6beta))-, 0, Unicilina, Van-Pen-G, Sodipen, Penicillin G Jenapharm, Coliriocilina, Sodiopen, VL775ZTH4C