Levothyroxine Sodium Tablets (Thyro-Tabs)

Prescription Item

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Strength: 0.8-mg
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  • 0.8-mg In stock
  • 1.0-mg In stock
Count: 1 tablet
  • 1 tablet In stock

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Levothyroxine is an oral prescription tablet that provides hormone replacement therapy in dogs and cats to treat the symptoms of hypothyroidism when thyroid production is lower than normal. Having a balanced amount of thyroid hormone is important in sustaining normal mental health and physical activity for your pets. Customers may receive this drug under the name Thyro-Tabs.


For replacement therapy for diminished thyroid function in dogs.

Possible Side Effects

When administered at an appropriate dose to pets requiring thyroid hormone replacement, there should not be any adverse effects associated with therapy.

Drug & Food Interactions

Interactions may occur with other medications including supplements, vitamins, estrogens, digoxin, warfarin, epinephrine, insulin or norepinephrine.


Do not use in dogs with thyrotoxicosis or uncorrected adrenal insufficiency. Different brands of levothyroxine may not work the same. If the pills look different from the last filling, speak to your pharmacist or veterinarian. Do not use in animals with hyperthyroidism, a condition in which the body produces too much thyroid hormone. Tell your veterinarian if your pet could be pregnant, has been diagnosed with Addison's disease (hypoadrenocorticism) or has any heart problems.

NOTE: For Generic Medications, picture displayed may not depict actual product. Generic medications may vary from one order to the next by size, color and shape depending on manufacturer. Customers may receive the same drug under the name Thyro-Tabs.

  1. Prescribing Information

See all items by Levothyroxine

  • Item Number
  • Dosage Measure
    Use according to your veterinarian's instructions.
  • Common Brand Name(s)
    Thyro-Tabs, Soloxine, Synthroid, Levocrine
  • For Use With
    Dogs & Cats
  • Generic Name
    Levothyroxine Sodium
  • Product Form
  • Health Condition
  • Drug Type


Recommended Dosage

Use this medication as directed by your veterinarian. If you forget a dose, give it as soon as possible but do not give two doses at the same time.

Storage Instructions

Store at temperatures between 68° - 77°F. Protect from light and moisture.


What is Levothyroxine?

Levothyroxine is a medication prescribed for dogs and cats to treat conditions associated with hypothyroidism.

What are the benefits of Levothyroxine?

Treats conditions associated with hypothyroidism. Easy to administer

How is this medication given?


How does this medication work?

Levothyroxine provides thyroid replacement therapy to pets with hypothyroidism or other thyroid conditions due to low circulating thyroid hormone.

What results can I expect?

It will not cure the thyroid condition but will relieve the symptoms. Because every pet reacts differently to this medication, your veterinarian may monitor thyroid hormone levels in the blood every 2-4 weeks while adjusting the dose. Periodic testing is also necessary.

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