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  • What is hypothyroidism?
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Disclaimer

This site is provided as an information service for owners of dogs who have been prescribed Thyforon by their vet. Thyforon is a prescription-only medicine, available only from your veterinary surgeon. Any questions about your dog should be directed to your veterinary practice. Thyforon is a registered trademark of Dechra Limited.

Frequently asked questions

Here are some of the most frequent queries we answer about your dog's condition:

Signs and Symptoms

What are the symptoms of hypothyroidism?

The noticeable signs of hypothyroidism develop slowly over a period of time and are frequently mistaken as part of the ageing process.

As a result of hypothyroidism dogs may:

  • Become lethargic
  • Gain weight
  • Display exercise intolerance and weakness
  • Suffer from a poor coat quality
  • Develop hair loss and a darker coloured skin
  • Experience changes in behaviour
How is hypothyroidism diagnosed?

To confirm the diagnosis of hypothyroidism your veterinary surgeon will have to take a blood sample to measure the thyroid hormone (T4) and the thyroid stimulating hormone (TSH).

Treatment

What is Thyforon?

Thyforon is a licensed treatment for hypothyroidism in dogs, containing levothyroxine sodium, a synthetic replacement for the missing thyroid hormones.

How do I give my dog Thyforon?

Thyforon can be given either with food or on an empty stomach. It is important though that you follow the same medication routine every day.

What should I do if I forget to give a tablet?

If you forget to give a Thyforon tablet or if you are not sure that your dog has eaten the tablet (e.g. if given with food), you should not change anything in your procedures. Just give the next tablet as planned, and do not double the dosage. If you are in any way in doubt about the dosing contact your veterinary surgeon.

How long will my dog require treatment?

Hypothyroidism cannot be cured. In order to maintain normal T4 and T3 concentrations in the blood your dog will need to have Thyforon every day for the rest of its life.

Thyforon will manage hypothyroidism and the outward signs but it will not cure the disease.

How long will it take for my dog to improve with treatment?

Now that your dog has started treatment, you will soon notice marked improvements, your dog will quickly become more alert and attentive, and other symptoms will improve over the coming months.

Will I need to revisit my veterinary surgeon?

It is important that you arrange regular check-ups with your veterinary surgeon to ensure that your dog’s thyroid hormone levels remain stable.

How do I split a tablet?

To break a tablet accurately and easily, place the tablet score side up and apply pressure with the thumb.

To break a tablet in two parts, place the tablet score side up and hold one side of the tablet down. Press down the other side.

How long will a tablet last once split?

Once split, tablets must be used within 4 days.

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This site is provided as an information service for veterinary professionals and the owners of dogs who have been prescribed Thyforon by their vet. Thyforon is a prescription-only medicine, available only from your veterinary surgeon. Any questions about your dog should be directed to your veterinary practice. Thyforon is a registered trademark of Dechra Limited.

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