A more serious side effect is the development of low blood cell counts which are more likely to develop during the first 3 months of treatment.
Cat thyroid treatment side effects.
Feeding a diet that restricts iodine is a newer alternative for treatment of feline hyperthyroidism.
These signs usually resolve without stopping the medication.
Radioactive iodine radioiodine or i 131 is used in the treatment of hyperthyroidism which is the most common endocrine hormonal disorder to affect cats.
More serious side effects from long term use include liver damage and bone marrow suppression although these are rare.
Continual veterinary monitoring is needed.
The disease is caused by a benign hormone secreting tumour on the thyroid gland which is located in the cat s neck.
It is estimated that 10 of cats over ten of cats over the age of ten will develop the disease.
Surgical removal of the thyroid gland.
A rare side effect is an allergy to the drug presenting as a rash often on the ears and face.
Most side effects are mild and eventually resolve although some necessitate discontinuation of the medication.
Regardless of the medication blood tests should be conducted periodically during treatment to evaluate whether the therapy is effective and to monitor kidney function and for potential side effects.
Methimazole has rare but significant side effects in some cats so make sure to make and keep regular monitoring appointments with your veterinarian.
Cbc and t 4 levels need to be rechecked regularly for the remainder of the cat s life.
Methimazole may produce side effects in cats including depression vomiting and lack of appetite.
These hormones control.