Shipping with this method takes 3-5 days
Thyro-Tabs® Tablets for Dogs
Buy More, Save More: Get 20% off when you buy 3 or more of any one product using code LESS20 at checkout.
Applies to all products originating from Canada. Maximum allowable quantity equal to a 90-day supply per single order.
Black Friday Bonus: Enjoy free standard shipping on all orders over $250.
Offer can be combined with the 20% “Buy More, Save More” discount. Enter each coupon code separately at checkout to claim your offers. Offer ends December 5, 2025.
Price range: $41.99 through $98.99
Secure Encrypted Payments
Thyro-Tabs is a levothyroxine tablet used to treat canine hypothyroidism. It replaces the thyroid hormone that a dog’s body no longer makes well. This page explains how the treatment works, who it’s for, and how to use and store it safely. It also outlines ways to manage costs, including Thyro Tabs for dogs without insurance.
What Thyro-Tabs Is and How It Works
This medicine contains levothyroxine, a synthetic T4 hormone for dogs with underactive thyroid glands. It helps restore normal metabolism, energy, skin, and coat health by providing a consistent thyroid hormone source. These Levothyroxine for dogs tablets act like the dog’s own hormone after conversion to T3 in tissues. Border Free Health connects U.S. patients with licensed Canadian partner pharmacies; prescriptions are verified with prescribers before dispensing. You can access therapy with US delivery from Canada while following your veterinarian’s plan.
The treatment is given by mouth and absorbed in the gut. Food and certain supplements can affect absorption, so consistent timing matters. Veterinarians monitor total T4 levels and clinical signs, then adjust as needed to maintain stable thyroid function.
Who It’s For
This therapy is for dogs diagnosed with primary hypothyroidism. Typical signs include low energy, weight gain without increased food, dry or thinning coat, and cold intolerance. Diagnosis is based on clinical signs and lab tests, often including thyroid function panels.
Dogs with known sensitivity to levothyroxine should not receive it. Use caution in dogs with heart disease, high blood pressure, adrenal insufficiency, or diabetes, because thyroid hormone can change cardiovascular status and glucose needs. Pregnant or nursing dogs require close veterinary oversight. Always follow your veterinarian’s guidance and stick with the prescribed brand or equivalent formulation unless the prescriber approves changes.
For broader thyroid background, see our condition pages for Hypothyroidism and the Endocrine Thyroid category.
Dosage and Usage
Give this medicine exactly as prescribed by the veterinarian. Doses are individualized based on weight, lab results, and response. Tablets are usually given once or twice daily at the same times each day. Many prescribers prefer dosing on an empty stomach for steady absorption; if food is used to hide tablets, keep the routine consistent.
Separate administration from calcium, iron, soy, or aluminum-containing products when possible, because they may reduce absorption. If the veterinarian schedules blood tests, try to give tablets at the same interval before sampling each time to keep results comparable. Do not change brands or forms unless your prescriber advises it.
Because the hormone has a narrow therapeutic window, never adjust the amount on your own. If a tablet must be split, use a proper tablet cutter and handle pieces carefully to avoid loss or crumbling. Keep a log of dosing times and any changes in appetite, activity, or coat quality to share at follow-ups.
Strengths and Forms
Thyro Tabs canine tablets are scored solid oral tablets for flexible dosing. Commonly used strengths vary by dog size and prescriber preference, including 0.2 mg. Availability can differ by supplier and market.
Tablets come in bottles or unit-dose packaging depending on the manufacturer. Color or shape may differ between suppliers, but the active ingredient is levothyroxine sodium. If packaging looks unfamiliar, check the label and ask your veterinarian before starting.
Missed Dose and Timing
If a dose is missed, give it when remembered unless it is close to the next scheduled time. If it is almost time for the next dose, skip the missed dose and resume the regular schedule. Do not double up. Consistency is key; set reminders or use a dosing chart to help keep a steady routine.
Storage and Travel Basics
Store tablets in the original, child-resistant container, tightly closed, and away from moisture and light. Keep out of reach of children and animals. Do not store in bathrooms or places with high humidity. Check the bottle for the labeled beyond-use date and comply with storage directions from your pharmacist.
When you travel, pack the bottle in your carry-on with a copy of the prescription label. Keep the medicine with you, not in checked bags. A small pill organizer can be helpful for short trips, but carry the original container as documentation. For any shipped orders, temperature-controlled handling when required is supported by partners.
Thyroid care often sits alongside other chronic needs. If a dog also has endocrine conditions like Cushing’s disease, monitored with treatments such as Vetoryl, your veterinarian may coordinate testing schedules to keep results comparable across therapies.
Benefits
Consistent thyroid hormone replacement can improve energy, coat quality, skin health, and overall activity in hypothyroid dogs. The treatment supports normal metabolic rate and may help reduce abnormal weight gain when combined with appropriate diet and exercise. Scored tablets allow flexible adjustments under veterinary supervision.
Convenience matters for long-term care. Tablet administration is familiar, and the formulation is compatible with routine monitoring. Packaging facilitates multi-month fills once a stable routine is established, which can reduce trips to the pharmacy.
Side Effects and Safety
Most dogs tolerate therapy well when doses are tailored by a veterinarian. Possible effects can include:
- Restlessness or increased activity
- Increased thirst or urination
- Changes in appetite
- Digestive upset such as vomiting or soft stools
- Rapid breathing or elevated heart rate
Call the veterinarian if signs of over-replacement occur, such as persistent agitation, tachycardia, panting at rest, or heat intolerance. Rare risks include heart rhythm disturbances or seizures, especially in dogs with underlying cardiac or neurologic disease. Dogs on insulin or sulfonylureas may need diabetes regimens reassessed, as thyroid hormone can change glucose requirements.
Drug Interactions and Cautions
Some products may reduce absorption or alter hormone levels. Discuss all medicines, supplements, and diets with the prescriber. Notable examples include calcium or iron supplements, aluminum-containing antacids, soy-based diets, cholestyramine, phenobarbital, glucocorticoids, and rifampin. Beta-agonists and sympathomimetics may have additive cardiac effects. If diet changes are planned, tell the veterinarian, as high-fiber or soy-heavy diets can influence hormone availability.
Dogs with heart disease, high blood pressure, adrenal insufficiency, or diabetes require cautious titration. The prescriber may adjust monitoring frequency during illness or after medication changes. Avoid abrupt brand switches without veterinary approval, as bioavailability can vary among manufacturers.
What to Expect Over Time
Veterinarians aim for steady symptom control and stable thyroid lab values. Energy, coat quality, and exercise tolerance may improve as hormone levels normalize. Ongoing follow-up is routine, and doses can be fine-tuned if clinical signs suggest over- or under-replacement. An example of a commonly used option is Levothyroxine 0.6 mg for dogs; individual needs vary, and the prescribed amount is determined by the veterinarian.
Long-term success relies on consistency. Give doses at the same times daily, keep a simple log, and attend scheduled lab checks. Tell the prescriber about any new medicines or diet changes promptly.
Compare With Alternatives
Thyroid hormone replacement is the standard approach for canine hypothyroidism. Formulations may differ by brand or supplier, but the active ingredient is levothyroxine. Some veterinarians consider compounded formulations when specific strengths or flavors are needed, guided by clinical response and quality standards.
In practice, prescribers prioritize reliable supply and predictable absorption. If a brand change is necessary, follow-up testing helps ensure equivalent effect. Thyro-tab may appear in various pack sizes; always confirm the strength and instructions before starting a new bottle.
Pricing and Access
See current options, compare pack sizes, and explore ways to save on ongoing therapy. You can review cash-pay options, including Levothyroxine for dogs cash price, and discuss multi-month fills with the prescriber to reduce per-fill costs. We list Canadian options with transparent details and Ships from Canada to US so you can plan your refills with confidence. For seasonal promotions, visit our Promotions page.
If you’d like background on thyroid care in people for context, you can read related articles such as Eltroxin Drug and How To Take Synthroid. Veterinary-specific education is also available, including Humulin N Dogs and Insulin For Dogs, which can help when managing multiple chronic conditions.
Availability and Substitutions
Stock can vary by strength and pack size. If a requested item is unavailable, a prescriber may recommend a suitable alternative strength or a different supplier of the same active ingredient. Your veterinarian may request follow-up labs after any change in manufacturer to confirm stability.
Patient Suitability and Cost-Saving Tips
This therapy suits most dogs with confirmed hypothyroidism when monitored appropriately. It may not suit dogs with untreated adrenal insufficiency or unstable heart disease until those conditions are addressed. Tell the prescriber about all medicines and supplements to avoid absorption problems.
To manage costs, ask about multi-month fills once dosing is stable. Set refill reminders to avoid last-minute rushes. Keep doses consistent so you don’t waste tablets by starting and stopping. If diet changes are planned, notify the prescriber early so monitoring can be timed appropriately. Category pages like Endocrine Thyroid and regional filters such as Canada can help you compare options by source.
For broader pet care education, explore articles such as Enalapril For Dogs, Gabapentin For Dogs, Doxycycline For Dogs, and Drontal For Dogs.
Questions to Ask Your Clinician
- How often will thyroid levels be checked after starting treatment?
- Should tablets be given with food or on an empty stomach?
- What signs suggest the dose may be too high or too low?
- Which medicines, supplements, or diets could affect absorption?
- When might brand changes require repeat blood tests?
- Can we plan multi-month fills once the dose is stable?
Authoritative Sources
For official information and label references, see:
Ready to proceed? Start your order with prompt, express shipping and US shipping from Canada. This information is not a substitute for veterinary advice; always follow your prescriber’s instructions.
Express Shipping - from $25.00
Prices:
- Dry-Packed Products $25.00
- Cold-Packed Products $35.00
Shipping Countries:
- United States (all contiguous states**)
- Worldwide (excludes some countries***)
Standard Shipping - $15.00
Shipping with this method takes 5-10 days
Prices:
- Dry-Packed Products $15.00
- Not available for Cold-Packed products
Shipping Countries:
- United States (all contiguous states**)
- Worldwide (excludes some countries***)
How is levothyroxine given to dogs?
Veterinarians typically prescribe levothyroxine as an oral tablet once or twice daily at consistent times. Give it exactly as directed. Many prescribers prefer dosing on an empty stomach for steady absorption, but if food is used to hide tablets, keep the routine the same. Avoid giving with calcium, iron, or aluminum-containing products, which can reduce absorption. Regular follow-up and lab checks help confirm the dose remains appropriate as the dog’s condition stabilizes.
How long does a dog need thyroid medication?
Canine hypothyroidism is a chronic condition. Most dogs stay on thyroid hormone replacement long term, with periodic monitoring to confirm an appropriate dose. Veterinarians evaluate clinical signs along with thyroid levels and may adjust therapy if other medicines, diet, or health status changes. Avoid stopping suddenly unless the prescriber instructs you to do so, as that can allow symptoms to return.
What side effects should I watch for in a dog on thyroid tablets?
Watch for restlessness, increased activity, increased thirst, changes in appetite, digestive upset, or rapid heartbeat. These can occur when the dose is too high for the dog’s needs. Call the veterinarian if signs are persistent or severe. Dogs with heart disease, high blood pressure, adrenal issues, or diabetes need closer observation, as thyroid hormone can affect cardiovascular status and glucose needs.
Can food or supplements affect levothyroxine in dogs?
Yes. Calcium, iron, soy, and aluminum-containing products can reduce absorption. High-fiber diets may also influence how much hormone is available. If you use treats, supplements, or a special diet, tell the prescriber. Keep the dosing routine consistent day to day, and separate tablets from interfering products when feasible, following veterinary guidance.
What if I miss giving a dose?
Give the missed dose when remembered unless it is close to the next scheduled time; if so, skip the missed dose and resume the usual schedule. Do not double up. Consistency supports steady hormone levels, so consider phone reminders or a simple dosing chart to reduce misses. If multiple doses are missed, contact the veterinarian for advice.
Is switching brands of levothyroxine okay for dogs?
Brand changes should be approved by the veterinarian. Bioavailability can differ between manufacturers, so prescribers often plan follow-up lab work after a switch to confirm the dose remains appropriate. Keep labels and packaging so you can confirm the strength and manufacturer, and report any unexpected changes in energy, appetite, or coat quality.
How should I store my dog’s thyroid tablets?
Keep tablets in the original, child-resistant container, closed tightly, and protected from moisture and light. Store at room temperature and away from bathrooms or humid areas. When traveling, carry the original container and a copy of the prescription label. For shipped orders, partners support temperature-controlled handling when required.
Rewards Program
Earn points on birthdays, product orders, reviews, friend referrals, and more! Enjoy your medication at unparalleled discounts while reaping rewards for every step you take with us.
You can read more about rewards here.
POINT VALUE
How to earn points
- 1Create an account and start earning.
- 2Earn points every time you shop or perform certain actions.
- 3Redeem points for exclusive discounts.
How to book an appointment
- 1Create Begin by completing a profile or log into your existing account. This step ensures we have the necessary information to provide you with a service that's tailored to your needs. account and start earning.
- 2Scheduling an appointment with our online booking system is easy. Pick a day and time that suits you. You’ll receive an immediate confirmation, without the wait.
- 3Discuss your concerns and symptoms and receive a thorough diagnosis from one of our licensed doctors during a confidential video appointment.
- 4If you've been prescribed medication, your Rx is sent directly to one of our licensed pharmacies and delivered right to your door.
Get Started
To book an online doctor appointment, register for an account or login. After doing so, you can book your visit on this page.
