detrusor urethral dyssynergia
Thor is an almost 6 year old neutered male GSD rescued by us almost 5 years ago off of "death row" from a county kill shelter. He's a gorgeous black and tan, thick coat, with a hint of red-cinnamon coloring. Very affectionate especially for a male.
No health issues to speak of until...warning what follows is long and is correlation not cause and effect.
Noticed a slight hitch in his gate in early August. Took him to a well known/respected ortho vet/surgeon who treats our female GSD with (both) hip issues (also a rescue from same death row). Wouldn't you know it...x-rays showed arthritic right hip. Somewhat ironically, I had my right hip replaced in mid August. Mention that because that delayed Thor getting a vetalog injection which has worked well. Injection done on 9/11.
A bit before 9/25 noticed very odd rash outbreak on Thor's tummy and inside thigh - basically ONLY where there was little to no hair. No where else. I initially treated with hexadene shampoo, but soon went to vet and treatment was prednisone, rilexine (antibiotic), and Genesis spray. Food allergy suspected though there has been no change from Acana Pacifica, joint supplement, etc for years.
Digress back to 5/25 when Thor had a rash outbreak in same general area, but this one seemed to be different than 9/25 outbreak. 9/25 outbreak was just plain weird - pinkish spots muted under skip that "exploded" into firey deep red blotches. Oddly, did not seem all that itchy. Anyway, the 5/25 outbreak was predisone, rilexene, and hexane and was very itchy, but rapid healing though.
Have noted to vets that the 5/25 and 9/25 outbreaks were preceded by comfortis (and heartguard) on the 15th of each month. However, same was administered in June, July, and August with no obvious ill effect.
On 9/29 - fours days after visiting vey for 9/25 rash outbreak - Thor has trouble urinating. Straining - dribbles only. Off to vet whereupon he is anesthetized, catheterized, and x-rays taken. Nothing mechanical found. He is released an urinates fine until the following Sunday. Of course, Sunday.
Off to Emergency 2:00AM Monday morning (same vet hospital complex). Admitted and tested through Wednesday PM. Catheterized at least twice. A variety of (very expensive) tests including a cystourethrogram (essentially dye based imaging) shows no mechanical issues (no stones, good prostate, no tumors, etc) save for a noted slight anomaly in the countour of the urethra midway on the arc between the bladder and penis. Not thought to impede urine flow nor cause of this problem and thought to be, perhaps, injury from neutering.
Drug protocol evolved to include diazepam (valium), phoenoxybenzamine (dibenzyline), and prazosin on an initial dosage and time schedule that will probably change. Can't remember, but initially only two of the three were administered with no expected effect. Adding the third med and the vet was able to manually express the bladder which we, the owners, are going to try now here at home. At this point, while I can get the bladder empty (hopefully), it takes almost a half and hour to do so.
So, the plan is to adjust meds as necessary and hope that expression improves. And, then, perhaps back off the meds to see if the condition is transient (unlikely) or chronic (likely). Longer term if the condition is chronic would be to evaluate surgical alternatives if the meds do not work (well). And, frankly, these meds have nasty side effects (he's already lethargic and not himself) so I will have little patience for their longer term use.
Who knows...did he have a drug interaction/reaction? I know steroids can be nasty. One of the treating vets speculated the second rash might have been - is - auto-immune, but the prednisone thwarts any attempt to diagnose scrapings now. He is now off prednisone and antibiotics and the rash seems to be nearly gone. This one has been persistent - two weeks now. Could be food I suppose.
I suppose I'd appreciate any comments including simple well wishes, thoughts and prayers.
Pete and Linda
The only thing I can do is post a link:
Inability to Urinate in Dogs | petMD
Causes to check into:
Best to you and Thor.
College of Veterinary Medicine University of Florida
Thanks. We are close to Ft. Lauderdale, but Gainesville is doable. In fact, the local animal hospital seems to be a Gator Alum South as is the attending internist and, so, she is in fact going to chat with the U of F.
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