Benzathine Benzylpenicillin Tetrahydrate

Penicillin G Benzathine is an antimicrobial medicament. Used in the treatment of pneumococcus and streptococcus bacterial infections.

Antibacterial.

Bicillin (Wyeth); Permapen (Pfizer).

Benzylpenicillin benzathine was developed as a dilatorily acting benzylpenicillin that maintains an effective serum concentration for 2 days following a single intramuscular injection of 600000 U. It is also used as an orally active benzylpenicillin because it is only slightly affected by a patient’s meal .