Many cats that have been fed only dry cat food have
developed hyperthyroidism; therefore, more study is needed to confirm this hypothesis.
If your cat is more than 10 years old, there's a good chance he has
developed hyperthyroidism (an overactive thyroid gland), one of the most common endocrine diseases affecting older cats.
One patient
developed hyperthyroidism with a concomitant increase in TBII titre to 17 U / l, but after iodine withdrawal this patient became euthyroid again.
For some women who
develop hyperthyroidism after giving birth, the thyroid levels return to normal within a few months without going through the second phase (hypothyroidism).
It may
develop hyperthyroidism or the malfunctioning of the thyroid gland.
Some cats
develop hyperthyroidism secondary to adenomas of ectopic, intrathoracic, thyroid tissue.
There are several presumptive and investigated reasons older cats
develop hyperthyroidism, including diet and environmental causes.
More than 10 percent of older cats
develop hyperthyroidism, which can cause symptoms such as weight loss, hyperactivity, aggression and vomiting, noted Jessica Norrgran, of Stockholm University, and colleagues.
If both thyroid glands are removed, the parathyroid glands may be damaged, requiring several days of hospitalization, monitoring and lifelong supplementation with an active form of Vitamin D. Older cats who
develop hyperthyroidism may also be poor anesthetic / surgical candidates.
Too much fish can have negative consequences on the health of cats, anyway, such as a possible increased risk of
developing hyperthyroidism.
Older cats are at greater risk for
developing hyperthyroidism.
No individual breed is known to be especially at increased risk, but the Siamese appears to have shown an increased incidence of
developing hyperthyroidism than other breeds.
Cats whose diet is 50 percent canned food have 3.5 times the risk of
developing hyperthyroidism relative to cats who eat only dry food.
Fortunately, the vast majority of cats that
develop hyperthyroidism can be treated very successfully and most cats will make a complete recovery.
We do not know if that indicates that those that do are at a higher risk of
developing hyperthyroidism than those that do not.
She says she definitely is, because so many older kitties are
developing hyperthyroidism.
Nine out of ten cats that
develop hyperthyroidism are over ten years old.
Pets that eat food or treats that contain thyroid hormones can
develop hyperthyroidism, a usually rare disease in dogs that is typically triggered by thyroid cancer.
Veterinarians did not notice that house cats were
developing hyperthyroidism in numbers until after 1979.
Veterinarians really do not know why so many older cats
develop hyperthyroidism.
Not exact matches
Some women
develop mild
hyperthyroidism followed by hypothyroidism in the months after the birth of their baby.
An individual suffering from
hyperthyroidism may experience restlessness, hyperactivity, anxiety, irritability, and palpitations and may have a high risk of
developing a goiter.
Often in thyroid nodules
develop on the way to Graves disease /
hyperthyroidism.
Goiter refers to an enlarged thyroid, which can
develop in both hypothyroidism and
hyperthyroidism.
In one case, a 38 - year - old woman
developed Grave's disease (autoimmune
hyperthyroidism) after giving birth to her fifth child but experienced full remission following the addition of flaxseed to her standard medical treatment.
Amiodarone - induced thyrotoxicosis (a form of
hyperthyroidism)
develops in 3 percent of amiodarone - treated patients in North America.
Hyperthyroidism can also be a transient phase for women who
develop thyroid problems after childbirth (postpartum thyroiditis).
High microsomal and thyroglobulin autoantibody titres were present in six of 31 patients (19 %) receiving iodine, and iodine - induced hypo - and
hyperthyroidism developed in four and two of them, respectively.
, 3 - 8 % of mothers
develop postpartum thyroid disease (hypothyroidism,
hyperthyroidism or both), which can also lead to depression and some of the other symptoms I mentioned a moment ago.
If you receive definitive treatment for your Graves»
hyperthyroidism (such as radioactive iodine or surgery), you will eventually
develop hypothyroidism (underactive thyroid).
In particular, these patients may
develop iodine - induced
hyperthyroidism (see Hyperthyroi
hyperthyroidism (see
HyperthyroidismHyperthyroidism brochure).
A few factors may put you more at risk for
developing frozen shoulder including diabetes, hypothyroidism,
hyperthyroidism, Parkinson's disease, cardiac disease, and immobilization for a period of time due to a fracture, surgery or other injury.
That being said, hypothyroidism does sometimes
develop in cats — after thyroid surgery, as a result of overmedication with drugs used to control
hyperthyroidism, or after radioactive iodine treatment.
Since feline
hyperthyroidism prevention isn't clear - cut and the disease can ultimately be fatal, the goal is to diagnose the disease before significant symptoms
develop.
Many cats that do not mark their territory with urine may begin to do so if a condition like
hyperthyroidism develops.
If feline
hyperthyroidism is not treated, cats will
develop hypertension, high blood pressure, heart disease, organ failure, which ultimately lead to a shortened life.
One caveat: If your cat suddenly
develops annoying nighttime habits, it could be a sign of a medical problem, including pain, infection, or
hyperthyroidism.
Cats, on the other hand, rarely
develop hypothyroid disease, although they frequently
develop the opposite disease —
hyperthyroidism.
The cause of
hyperthyroidism that
develops in older cats with increased blood thyroxine and triiodothyronine is unknown.
Over time, cats with
hyperthyroidism may
develop an enlargement and thickening of the left ventricle of the heart.
Cats afflicted with
hyperthyroidism usually
develop a variety of signs, which may be subtle at first but then become more severe as the disease progresses.
For example, this loving pet owner is sadly struggling with the decision of whether or not to euthanize her cat because of a heart condition that has
developed secondary to feline
hyperthyroidism.
Older cats also have a greater chance of
developing various illnesses, including cardiac problems (ventricular hypertrophy), respiratory difficulties, susceptibility to infection due to a weakened immune system, frequent kidney disease, tumors and endocrine problems such as
hyperthyroidism and diabetes.
Purebred cats, especially the Siamese and Himalayan breeds, appear to have a decreased incidence of
hyperthyroidism (meaning they are less likely to
develop this condition).
indoor cats simply have a greater likelihood of reaching the age at which
hyperthyroidism develops?
What we do know is that cats with
hyperthyroidism develop hyperplastic tissue in their thyroid glands that becomes hyperfunctional.
Obesity may
develop, especially in older cats that become hypothyroid after treatment of
hyperthyroidism.
Secondary Problems Because of the important role the thyroid gland plays in the body, some cats with
hyperthyroidism develop secondary problems, including heart disease and high blood pressure.
Clinical Signs Cats afflicted with
hyperthyroidism usually
develop a variety of signs that may be subtle at first but that become more severe as the disease progresses.
It is important to remember that heart muscle thickening resembling HCM can sometimes
develop secondary to other disorders such as an over-active thyroid gland (
hyperthyroidism) and elevated blood pressure (systemic hypertension).