sold in the United States. When an intravenous aminopenicillin is required in the United States, ampicillin is typically used. When there is an adequate response to ampicillin, the course of antibiotic therapy may often be completed with oral amoxicillin. Research with mice indicated successful delivery using intraperitoneally injected amoxicillin-bearing microparticles. Names "Amoxicillin" is the International Nonproprietary Name (INN), British Approved Name (BAN), and United States Adopted Name (USAN), while "amoxycillin" is the Australian Approved Name (AAN). Amoxicillin is one of the semisynthetic penicillins discovered by former pharmaceutical company Beecham Group. The patent for amoxicillin has expired, thus amoxicillin and co-amoxiclav preparations are marketed under various brand names across the world. Veterinary uses Amoxicillin is also sometimes used as an antibiotic for animals. The use of amoxicillin for animals intended for human consumption (chickens, cattle, and swine for example) has been approved. References Further reading External links Carboxylic acids Enantiopure drugs GSK plc brands Lyme disease Penicillins Phenethylamines Phenols Wikipedia medicine articles ready to translate World Health Organization essential medicines