I was wondering if anyone might have an idea why my boa would start nose rubbing after not doing it for years. She was born in 2011 and I've had her for four years this month. I made no changes to her enclosure (48x24x18, with RHP controlled by Herpstat), but it started up last year, and the past couple months even more so. At first it was minor, but the swelling on her nose has gotten more serious. It hasn't affected her appetite at all.
Could it be some sort of abscess that needs to be cleaned out, rather than nose rub? The first photo was taken in September of last year, and you can see the minor rub. The second was taken near the beginning of this month.

Could it be some sort of abscess that needs to be cleaned out, rather than nose rub? The first photo was taken in September of last year, and you can see the minor rub. The second was taken near the beginning of this month.
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