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Should Laminitic Horses Get A Thyroid Supplement
Kurts sides are lumpy despite years of taking thyroid supplements to boost his metabolism.
Editors note on June 15, 2015: I wrote this post before reading Juliet Gettys post on treating the insulin resistant horse. Thyroid supplement may help the laminitic horse lose a little weight, but I think its a poor substitute for helping a horse restore balance in its diet and life. Even before I read Gettys post, I had taken Kurt off thyroid powder because it was making him break out in a drenching sweat. It took me a while to figure out the cause of the sweat. The day I stopped the thyroid powder, the sweat went away. Giving thyroid powder to a laminitic horse may cause unintended consequences. Im leaving the article up, because the reporting of the research is accurate.
Laminitic horses often are put on the thyroid supplement levothyroxine sodium .
While it can be an effective component for treating the insulin form of laminitis, the reasons for using it have fluctuated over the years.
The thyroid is located in the neck of all mammals. The gland secretes the hormone thyroxine, or T4, and to a lesser extent triiodothyronine, or T3. These hormones predominantly affect metabolism, but they also influence growth, development and body temperature.
Low thyroid levels may be the result of problems in the thyroid, hypothalamus or pituitary gland, or all three.
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- 1- Your veterinarian may Call, email, or Fax the prescription to us
- 2- If you have the prescription already, you may mail it to us
- 3- If we have a refill for you on file, place your order & we’ll take care of the rest
- 4- You may submit a Pet-Vet information and we’ll obtain the prescription for you
Also Check: Does Medicare Cover Thyroid Ultrasound
How Should Thyro
Thyro-L should be given exactly as directed by your veterinarian. Thyro-L is a powder that is to be given by the mouth. Thyro-L can be administered by mixing the daily dose in the concentrate or by top dressing on grain, preferably rolled or ground. The suggested initial dose is 0.5 to 3.0 mg levothyroxine sodium per 100 lbs body weight once per day or divided in doses. The recommended daily dose is 1/2 to 2 1/2 level teaspoons for a 1,100 lb horse. Response to the administration of Thyro-L should be evaluated clinically until an adequate maintenance dose is established. In most horses, this is usually in the range of 6 to 36 mg total daily dose. Serum T-3 and T-4 values can vary greatly among individual horses on thyroid supplementation. Dosages should be individualized and horses should be monitored daily for clinical signs of hyperthyroidism or hypersensitivity.
For weight loss, Thyro-L can be administered by mouth or in the feed at a dosage of 48 mg per day for 3-6 months to induce weight loss. Smaller ponies and miniature horses can receive 24 mg per day for the same period. Treated horses should be weaned from Thyro-L once ideal weight has been attained by reducing the dosage to 24 mg for 1 week, followed by 12 mg per day for an additional 2 weeks.
Why Thyro

- The original levothyroxine powder supplement for predictable therapeutic results
- Manufactured under strict quality control guidelines
- Helps correct infertility
- Reduces cutaneous swelling in neck and head areas
- Stimulates sweating in working horses
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Levothyroxine sodium powder, USP for horsesWhy Thyro-L?
- the original levothyroxine powder supplement for predictable therapeutic results
- manufactured under strict quality control guidelines
- helps correct infertility
- reduces cutaneous swelling in neck and head areas
- stimulates sweating in working horses
Vet-A-Mix
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Also Check: What Are The Risk Factors For Thyroid Cancer