Amoxycillin is a semi-synthetic penicillin with a broad-spectrum bactericidal activity against a large number of gram-positive micro-organisms (Staphylococcus Streptococcus.) and gram-negative The bactericidal action is due to inhibition of cell wall synthesis.
Amoxycillin is mainly excreted in urine.
A major part can also be excreted in bile micro-organisms (E. coli, Haemophilus, Pasteurella, Salmonella , Kleibsella )