inject 1/2 ( half) a cc of " Tylan 200 " directly into the inflammed area. Make sure that you do not poke the needle into the eyebal. You can buy "Tylan 200 " on amazon on line without a prescription. Tylan comes in two strengths , 50 and 200. I have successfully treated sinus inflamation in 100% of cases using Tylan 200. single injection took care of the inflamation in 3-4 days. If necessasary give another dose on the 3rd or 4 th day. Respiratory illness in peafowl. I used enrofloxin one cc per day 4 days in a row, orally and cured the illness completely To be safe, I diluted enrofloxin 1cc with 1 cc of water just before feeding to avoid toxic effect if any, in the stomach. Enrofloxin is another name for Baytril . You need a prescription from a vet to purchase baytril. and you don,t need one for enrofloxin. which you can buy on line from"lady gouldian finch.com.