JOSH SHER / SCIENCE PHOTO LIBRARY JOSH SHER / SCIENCE PHOTO LIBRARY
Antibiotic powder. Bottle of Distaclor antibiotic powder. This powder contains the drug cefaclor, which works by preventing the formation of bacterial cell walls. It is a cephalosporin drug, and may be used by people who are allergic to penicillin. However, around ten percent of people allergic to penicillin are also allergic to cephalosporins. Cefaclor is used particularly to treat urinary tract infections.
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