A nasal flush would be something like "Simply Saline" that you can get at the drugstore. It is a buffered so not to burn when used. It softens up the dried up mucous and helps shrink irritated mucous membranes. Gallimycin can be ordered from Jeffers livestock Supply. It has to be used in plastic waterers, scrubbed with clorox every 24 hours and refilled. Flock has to be penned up so to be surethey won't get water from other sources, like stealing the dogs water like mine did. Once they are on the antibiotic for 2 weeks you can then vaccinate them with vaccine also from Jeffers Supply. and then again in one month. The vaccine will be good for the second vaccine if kept refrigerated.