Another double - blind clinical trial published in the British Journal of Dermatology in 1977, discovered that zinc supplements were equally effective as oxytetracycline, an oral antibiotic sometimes prescribed for treating acne. (thehealthyhomeeconomist.com)
Some authorities recommend low levels of oxytetracyclines in the food daily, and others recommend surgical removal of the gland in the third eyelid. (k9magazine.com)
The results of susceptibility testing indicated that the relative potency of these compounds were tylosin > gentamicin > oxytetracycline > neomycin > chloramphenicol > tetracycline > kanamycin > sulfadiazine > penicillin > bacitracin. (priory.com)