Thyro-L
This treatment applies to the following species:
Levothyroxine sodium powder, USP for horses
Thyro-L Indications
For use in horses for correction of conditions associated with low circulating thyroid hormone (hypothyroidism).
Dosage: The suggested initial dose is 0.5 to 3.0 mg levothyroxine sodium (T-4) per 100 pounds body weight (1 to 6 mg per 100 kg) once per day or in divided doses. 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 (1/2 to 3 level teaspoons) total daily dose of T-4. Serum T-3 and T-4 values can vary greatly among individual horses on thyroid supplementation. Dosages should be individualized and animals should be monitored daily for clinical signs of hyperthyroidism or hypersensitivity.
Administration: For oral dosing as directed by a veterinarian.
Warning
Use with caution in animals with clinically significant heart disease, hypertension or other complications for which a sharply increased metabolic rate might prove hazardous. Use in pregnant mares has not been evaluated.Thyro-L Caution
Federal law restricts this product to use by or on the order of a licensed veterinarian.
Active Ingredient per pound (453.6 g):
Levothyroxine Sodium, USP |
0.22% (1,000 mg) |
One level teaspoonful contains approximately 12 mg of T-4.
One level tablespoonful contains approximately 36 mg of T-4.
Teaspoon measure included.
IMPORTANT
KEEP OUT OF REACH OF CHILDREN
Store at controlled room temperature 20°-25°C (68°-77°F) with excursions allowed between 15° and 30°C (59° and 86°F). Protect from light and moisture.
LLOYD, Inc., Shenandoah, Iowa 51601 USA
Net wt: |
List No. |
|
One Pound (453.6 g) |
0481 |
Rev. 0623 |
10 pounds (4.536 kg) |
0482 |
Rev. 0623 |
CPN: 1050029.6
604 WEST THOMAS AVENUE, P.O. BOX 130, SHENANDOAH, IA, 51601
Telephone: | 712-246-4000 | |
Order Desk: | 800-831-0004 | |
Fax: | 712-246-5245 | |
Website: | www.lloydinc.com | |
Email: | info@lloydinc.com | |
licensing@lloydinc.com |
![]() |
THIS SERVICE AND DATA ARE PROVIDED "AS IS". DVMetrics assumes no liability, and each user assumes full risk, responsibility, and liability, related to its use of the DVMetrics service and data. See the Terms of Use for further details. |
Copyright © 2025 Animalytix LLC. Updated: 2025-03-02