From the sound of his previous home, in sure wormer won't hurt him.
Try to get a video of his behavior. Copy and paste the link to the video here. Pics of his nares would be a good idea too.
I'm sure that if his nares are as clogged as you say they are, he is probably only able to breathe...
Lol you're fine!
Gapeworm is typically found in more tropical climates. That's why I question it. Their squalor type conditions sound like a good place for respiratory diseases to spread though.
To upload a video, you must first upload it to a different platform. I use YouTube. Upload your...
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She wasn't being sarcastic. Just trying to pass along the info you need and the reason behind her answer.
Where are you located? I seriously doubt your bird has gapeworm. I would first suspect an upper respiratory issue or crop issue.