Our expert says:
I am so sorry to hear about your problem and the lack of effective veterinary services in your area. Recurrent blood in the urine and smelly urine may certainly indicate infection, however this infection may very well be secondary to bladder stones, cancer or other abnormalities of the bladder, as you rightly noted. Antibiotics will help to clear up some of the symptoms. Hopefully, it is just a simple urinary tract infection, or bladder stones and you will be able to find effective veterinary help soon. Penicillin is usually a very effective antibiotic for the urinary tract, as is cephalexin, sulfa antibiotic (the Bactrim that you mention) and certain other classes. Tetracycline and especially doxycycline is not ideal. If the reaction occurred to penicillin and the dose was correct, I would first suggest cephalexin or the sulfa antibiotic. The dosage for either is 20mg per kg bodyweight twice daily, usually for a minimum period of 21 days. I hope this helps. The antibiotics may be repeated as necessary, until a more specific diagnosis can be done by a veterinarian. Please note, that I cannot guarantee the safety of these treatments and that it will be done at your own risk. This advice is only given because of your predicament with the lack of veterinary services in your country. Good luck!
PLEASE NOTE ALL OTHER READERS: it is definitely not ideal and potentially dangerous and life-threatening to simply obtain and use antibiotics from any source other than your veterinarian, and only after a proper and thorough examination. In South Africa especially, effective veterinary help is available throughout the country, and home diagnosis and treatment may be extremely harmful and dangerous. Go see your veterinarian!
Dr Malan van Zyl
Veterinary Specialist Physician
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