6 weeks ago (9/15/21) I took in a wild adult eastern grey male from my yard. He has what appears to be paraphimosis? (12+ weeks), has been sneezing (~3 wks), and is sleeping a lot (~2 wks?). His appetite has declined over the last week. He now won't even eat more than a few roasted almonds (coated in calcium powder) a couple times a day.
Paraphimosis: I first saw his paraphimosis (penis tip looks like a red bubble) at least 12 weeks ago (walking with his right front foot held up is what got my attention.) When I caught him 6 weeks ago, he had rapidly worsening mange, a limp, and moved slow. But since day 1 in my care, he drinks a lot and pees a lot (and seemingly without issue-- doesn't take long or anything). I began to think it might just be a congenital abnormality. The attached photos are from a week before I caught him (9/8). He does NOT like humans and I haven't seen it up close since he's been in my care.
Why I have him: Local rehabilitators (called all within 2 hours) have told me they can't take an adult patient and that they wouldn't release him back here even if they did have room (and it seems very bad to go into winter without having his cached food, knowing the area, likely having multiple dreys, etc.) There is a vet clinic that can treat wildlife, but they pass animals on to those same local rehabbers who don't have room. I fear he'd be euthanized on the spot because of the appearance of his penis. I decided to trap him after he failed to jump up onto a 1ft tall rock.
Sneezing: When I first heard the sneezing about 3 weeks ago it sounding gunky and I saw mucus (clear or whitish) around his nostrils a few times. I gave him SMZ-TMP (sulfamethoxazole-trimethoprim aka Bactrim) based on dosing I was given for another squirrel. He got 4 days in before he wouldn't eat it anymore (not in peanut butter or almond butter, with our without sugar or salt added, on a walnut, etc.). It seemed much better so I gave up after a few days of trial-and-error. He still sniffles a little bit but no mucus after the SMZ.
Mange: I gave him ivermectin over the first 2 weeks. His fur looks great now!
Limp: I can't detect any.
Diet: He had been eating 3 Henry's peanut (wild) blocks every day (only accepted in mushed-up moist form), and a few almonds for treats. He generally hasn't been interested in the many wild branches, vegetables, or fruits I've tried (all from Henry's squirrel diet chart). His appetite was great and I started mixing other stuff in with Henry's to give him more food without causing a calcium problem. He generally accepted some added almond butter with the correct amount of calcium added to compensate.
Housing: He lives in a double critter nation cage lined with untreated kraft-type brown paper (used as painting drop cloth, etc.). He's using fleece, leaves, and paper towels as bedding in his 2 boxes.
What should I do? Could his paraphimosis be connected to the respiratory symptoms, like a systemic infection? Do I try giving him more SMZ or does he need another antibiotic? I have infant ibuprofen drops, prednisone, and tramadol available to me if I got dosing instructions. I'm in Ohio but am willing to drive him to proper care. We planned to release him in a nice wood nest box that we built him, mounted to one of our trees. I will add more details shortly--I just wanted to get this out there ASAP! Thanks so much in advance.