Whakar Ko nga mea e kiia ana ko nga paturopi he metabolites i hangaia e nga microorganisms,  ka taea te aukati i te tipu, te whakamate ranei i etahi atu microorganisms.  Ko nga mea e kiia nei ko te rongoa antibacterial synthetic he matū antibacterial i hangaia e te tangata ma te whakahiato matū, ehara i te mea na te microbial metabolism.

Paturopi: I te nuinga o te wa ka wehewehea nga paturopi ki nga wahanga e waru: 1. Nga penicillins: penicillin, ampicillin, amoxicillin, etc.; 2. Cephalosporins (pioneermycins): cephalexin, cefadroxil, ceftiofur, cephalosporins, etc.; 3. Aminoglycosides: streptomycin, gentamicin, amikacin, neomycin, apramycin, etc.; 4. Macrolides: erythromycin, roxithromycin, tylosin, etc.; 5. Tetracyclines: oxytetracycline, doxycycline, aureomycin, tetracycline, etc.; 6. Chloramphenicol: florfenicol, thiamphenicol, etc.; 7. Lincomycins: lincomycin, clindamycin, etc.; 8. Ētahi atu kāwai: colistin sulfate, etc.