Levothyroxine Sodium

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Retail price:

You save: 55%

This product requires a prescription


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  • In-store

Product Details

About Levothyroxine Sodium

Levothyroxine is a thyroid hormone medication used in dogs and cats to treat hypothyroidism, or other thyroid conditions due to low circulating thyroid hormone, and usually needs to be given for the entire life span of the animal.

Who's Levothyroxine Sodium For?

  • Treats conditions associated with low circulating thyroid hormone (hypothyroidism), a common disease in middle aged and older pets (where the animal's thyroid gland does not produce enough thyroid hormone)
  • Cats may be prescribed for a short period to correct over treatment of hyperthyroidism, or if their thyroid gland was surgically removed

Side Effects and Warnings

  • Some side effects include excessive thirst, large amounts of urine production, increased appetite, personality change, and reduced heat tolerance
  • Consult your veterinarian regarding any allergies your pet may have, and any other side effects of this medication

Levothyroxine Sodium Directions

Use as directed by your veterinarian

PetPlus is not a pharmacy. PetPlus partners with National Association of Boards of Pharmacy (NABP) accredited pharmacies such as CVS, Walgreens, RiteAid and PetCareRx to fulfill your prescriptions. Prescription orders dispensed through online mail-order will be directed to PetCareRx, and those through in-store pickup will be dispensed at the local Caremark network pharmacy chosen by the customer.

*If by the end of the 1-year membership, you have not achieved total savings on all eligible purchases and services with the PetPlus Plan that is equal to or greater than membership fee, you are eligible for credit equal to the difference between membership fee and your total savings. See further detail in our Terms and Conditions.

**PetPlus works hard to make it easier for you to take care of your pet, and we don't want you to worry about costs. If you find a better price for an item from a U.S. licensed online pharmacy, we will do everything possible to meet or beat that price. Please call us at 1-866-893-0306 to speak with a customer care representative.