I don’t think he’d want to keep itching/licking if he weren’t uncomfortable??? It releases endorphins to help pain so I’m reluctant to try bitter things as it seems cruel unless u know for sure the problem is rectified
I’m betting it’s multilayered but just hunch. A lot of commercial big brand...
Similar situation- I had been using swheat scoop when this started like 10 days after, noticed over grooming, he vomited a few nights too. I’d been using Stella and Chewy rabbit n goose n Turkey freeze dried but rehydrated for about 5-6 weeks, he also sits at screen door n may have had bug bite...
Just an FYI- the s boullardi -florastor (coupons available or buy on EBay or any cvs-Walmart etc)...Florastor is given for diarrhea of all types in humans ...it is a patented form of s boullardi that re-forms bacteria and makes proper use of right bacteria in the small intestine so for SIBOits...