Sep 06, 2005. The thyroid dimensions are at the upper limits of normal - I do 6-8 ultrasounds a day in the office and usually the measurements of normal thyroids are 4-4.8 x 1.0-1.8 x 0.8-1.6cm which is consistent with published dimensions.ep 06, 2005. The thyroid dimensions are at the upper limits of normal - I do 6-8 ultrasounds a day in the office and usually the measurements of normal thyroids are 4-4.8 x 1.0-1.8 x 0.8-1.6cm which is consistent with published dimensions.
Probiotics, the good intestinal bacteria usually prescribed to treat diarrhea, have helped many dogs with tear staining. Look for a veterinary probiotic such as FortiFlora, Prostora or Proviable. Don't give Princess antibiotics like tylosin or tetracycline.robiotics, the good intestinal bacteria usually prescribed to treat diarrhea, have helped many dogs with tear staining. Look for a veterinary probiotic such as FortiFlora, Prostora or Proviable. Don't give Princess antibiotics like tylosin or tetracycline.
In dog's with white or light fur, it is easy to recognize tear staining. In dogs with darker coloring, look for watery eyes, excessive itching, and excessive tearing.The reddish coloring is indicative of yeast and is a sign that yeast is overgrowing within your dog's body and expressing itself through the eye tears.e cautious of products that contain these ingredients. Tylosin is an antibiotic and may not be appropriate for your dog. While short term use may reduce the reddish brown tear stains for your dog, the product will not address a long-term solution.