Photo of Deerhound Matylda on the Isle of Skye by Barbara Slezakova.

by John Dillberger, DVM

Reprinted from the January/February 1998 Claymore

(Editor’s note: The list of sulpha antibiotics has changed since this article was first published; check with your vet when your dog is prescribed any antibiotic to make sure it is not T/S.)

Antibiotics are one of our greatest weapons in the war against human and animal diseases. These drugs have prevented untold suffering and death, and are rightly viewed as twentieth-century miracles. One of the most successful of these antibiotics is actually a combination of two separate bacteria-killers: trimethoprim and a sulfonamide (or sulfa drug for short). Read more