Thyro-L (levothyroxine sodium) Powder for Horses
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Thyro-L (levothyroxine sodium) Powder for Horses

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Vendor: Thyro-L
SKU: 146910
$229.23 $209.09
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Categories: Pet Supplies,

Product Type: Horse Pharmacy

Barcode: 1233010000



Thyro-L is a powder supplement prescribed to aid in the correction of conditions associated with a low-circulating thyroid hormone in horses. It may also be helpful in the adjunct treatment for weight loss caused by insulin resistance, as well as aid in the prevention of laminitis and hyperlipidemia—an abnormally high concentration of fats or lipids in the blood.\n\n**Proudly sourced directly from the manufacturer or their approved distributor. Guaranteed genuine and backed by the manufacturer.**

Item Number 146910
For Use With Horses
Generic Name Levothyroxine Sodium
Common Brand Name(s) Thyro-L
Administration Form Oral
Product Form Powder
Health Condition Hypothyroidism
Drug Type Hormone


For use in horses to help with the correction of conditions associated with low circulating thyroid hormone (hypothyroidism).

Possible Side Effects

When used as directed, no side effects have been reported. If your pet is allergic to any of the ingredients, signs of an adverse reaction may include facial swelling, hives, scratching, sudden onset of diarrhea, shock, seizures, pale gums, cold limbs, or coma. If you notice any of these signs, contact your veterinarian immediately.

Drug & Food Interactions

No known drug interactions have been reported.


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.


Each pound (453.6 g) contains: Levothyroxine Sodium USP 0.22% (1,000 mg), and each level teaspoonful contains approximately 12 mg of T-4.Levothyroxine Sodium, USP


Recommended Dosage

Administer exactly as described by your veterinarian. If you miss a dose, give it as soon as you remember. If it's nearly time for the next dose, you should skip the dose you missed and resume your regular schedule. Do not double dose.

Storage Instructions

Store at room temperature and protect from light. Avoid excessive heat above 104°F.