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Levothyroxine Hypothyroidism Treatment for Dogs

Thyro-Tabs for Dogs provide replacement therapy for insufficient thyroid hormone, or hypothyroidism. In dogs with an underperforming or absent thyroid gland, this medication helps restore health and normalize basic bodily functions. Thyro-Tabs pet meds require a prescription from your veterinarian. Available in multiple strengths for easy dosing.

Thyro-Tabs are a treatment for hypothyroidism in dogs. They are indicated for use when the thyroid gland underperforms or when it has been removed, resulting in thyroid hormone insufficiency. This product replaces thyroid hormone to normalize biological processes and remedy symptoms associated with hypothyroidism.

Benefits of Thyro-Tabs:

  • Corrects conditions resulting from insufficient thyroid hormone
  • Remedies a wide variety of skin and coat, metabolic, nerve and muscle, and reproductive symptoms
  • Greatly enhances your dog's quality of life
  • Affordable generic option
  • Packaged in multiple strengths for dosing convenience
  • Easily orally administered, either directly or in food
  • Not associated with side effects when used as prescribed

Thyro-Tabs are intended for use only in dogs with hypothyroidism. Do not administer to other animals or to any dog that does not have a prescription. Not for use in humans.

Do not permit children to handle or administer Thyro-Tabs.

Read all package directions and precautionary statements before use.

The following directions represent a typical usage. Dosages are adjusted according to T-4 level blood test results, usually once per month. Administer in accordance with your veterinarian's prescription.


  1. Administer 1.0-2.0 mg levothyroxine per 10 lbs. of body weight as an initial dose.
  2. Give the dose 1-2 times per day, as instructed by your veterinarian.
  3. Continue to administer the maintenance dose--usually 1.0 mg per 10 lbs. of body weight daily--as instructed by your veterinarian.
  4. Hand-feed the caplets to your dog directly, or add them to food if necessary.
  5. Watch to ensure the dose is consumed.

Frequency of Use:

Initial administration is usually made once or twice per day. Maintenance doses are usually made once per day. Use as prescribed by your veterinarian.

Give a missed dose as soon as you remember it, unless it is nearly time for the next dose; do not give a double dose or two doses in close proximity.


Keep out of reach of children and animals.

Store Thyro-Tabs in their original container at controlled room temperature between 59 and 86 degrees F. Protect from light, moisture, and heat.

It is a violation of Federal Law to use this product in a manner inconsistent with its labeling.

Thyro-Tabs (L-thyroxine)

All dosages of Thyro-Tabs are sold in packages of 120 and 1,000 caplets. Dosages are 1.0 mg levothyroxine, 2.0 mg levothyroxine, 3.0 mg levothyroxine, 4.0 mg levothyroxine, 5.0 mg levothyroxine, 6.0 mg levothyroxine, 7.0 mg levothyroxine, and 8.0 levothyroxine.

Ingredients: Levothyroxine sodium tablets


Keep this product out of reach of children and animals. Do not use or store in or near open flame or heat.

Thyro-Tabs are only for dogs with thyroid hormone insufficiency. Do not use in other animals. Not for humans. Do not give this product to any dog for which it was not prescribed.

Use as prescribed by your veterinarian. Do not give this medication in larger amounts or for a longer or shorter duration than prescribed.

CAUTION: Not for use in dogs with acute myocardial infarction, thyrotoxicosis, or untreated adrenal insufficiency. This product may be contraindicated in some dogs that are pregnant or that have euthyroidism or hypertension.

The safety of this product in pregnant or breeding dogs has not been established. Some evidence suggests use of this product in pregnant bitches can affect thyroid development in unborn pups.

Thyro-Tabs are not known to cause side effects when used as prescribed. If you suspect an adverse reaction, talk to your veterinarian. If you know of or suspect an overdose, seek emergency veterinary care. Signs may include excessive thirst or hunger, increased urination, reduced tolerance for heat, hyperactivity, and personality changes.

Thyro-Tabs caplets of 0.1 mg and 0.7 mg contain FD&C Yellow #5 (tartrazine). This ingredient is associated with allergic-type reactions (including bronchial asthma) in humans. It is not known whether such reactions may occur in dogs.

Check with your veterinarian before putting your dog on any additional supplements or medications.

Warranty and Manufacturer Information:

LLOYD, Inc., P.O. Box 130, Shenandoah, IA U.S.A. 51601


NAC No.: 10500304