Hypothyroid dogs treated with intravenous levothyroxine.

The purpose of this retrospective study was to report clinical and clinicopathologic findings, response to treatment, and outcome of hypothyroid dogs treated with levothyroxine intravenously (IV). Seven levothyroxine IV treated hypothyroid dogs and 799 other hypothyroid dogs examined during the same period were included. Rottweiler dogs were overrepresented in the group of levothyroxine IV-treated hypothyroid dogs compared with other hypothyroid dogs (P < .