Sulfadimethoxine Oral 12.5% Gallon - Prescription RequiredSulfadimethoxine Oral 12. 5% Gallon Sulfadimethoxine 12. 5% Oral Solution A broad spectrum antibacterial oral solution to be supplied in drinking water that will control a variety of diseases. Broiler and Replacement Chickens: Use for the treatment of disease outbreaks of coccidiosis, fowl cholera, and infectious coryza. Add 1 fl oz to 2 gallons of drinking water or 25 fl oz to 50 gallons of drinking water. Treat for 6 consecutive days. Provide