I'm not suggesting that you try this, but some people with peafowl say that injecting Tylan right into the sinus cavity will clear up the pus. I haven't tried this yet, but I have been giving it some thought as my three really need something done.
-Kathy
I'm not sure... I still have three that I'm dealing with. I think the problem is that there are so many places for the pus to hide and it's very difficult to get it all out.
-Kathy
Check the cleft in the roof of her mouth and make sure there's no pus in it... A few of mine developed full blown sinus infections that they still have not fully recovered from and several lost eyes from it.
-Kathy
Some of mine sure where hard to remove. I used a combo of tweezers and q-tips to get it out of my birds. Just keep removing the plaque and tubing, your bird should recover. I say "should" because I did lose a few of them, but they had a slightly different form that infiltrated the tissues and...