You’re never too old to have an underactive thyroid
When a person’s thyroid hormone level gets too low, nearly every system 
in the body is affected. An under-active thyroid (hypothyroidism) can set
 off a wide range of symptoms that can include fatigue, depression, 
weight gain, constipation, and dry skin.
While typical of an under-active thyroid, all 
those symptoms could be easily attributed to other medical problems. And
 in people over 60, symptoms of hypothyroidism can be more confusing. 
Any of the following health issues in a person over 60, alone or in 
combination, could mean an underlying thyroid problem. 
- Unexplained high cholesterol. High 
cholesterol is sometimes the only evidence of an under-active thyroid in 
an older person. Because this may be the only symptom, a high 
cholesterol level warrants a thyroid evaluation.
- Heart failure. Some of the effects of low
 thyroid hormone levels — for example, reduced blood volume, weaker 
contractions of the heart muscle, and a slower heart rate — may 
contribute to heart failure. (Heart failure describes a condition in 
which the heart doesn’t pump blood effectively to the muscles and organs
 of the body.) Symptoms of heart failure include breathlessness, 
swelling in the ankles, weakness, and fatigue.
- Bowel movement changes. An older person 
with hypothyroidism might have constipation because of decreased 
movement of stool through the bowels. Less often, an older person will 
have frequent bouts of diarrhea, which is more typically a symptom of an
 overactive thyroid. Persistent or severe diarrhea in an older person 
always warrants a call to the doctor.
- Joint or muscle pain. Vague joint pain is
 a classic symptom of hypothyroidism. It sometimes is the only symptom 
of hypothyroidism in an older patient, although many experience an 
overall muscular aching, particularly in large muscle groups.
- Mental health concerns. As with younger 
people, depression is common among older people with an under-active 
thyroid. The difference is that in older people, it can be the only 
symptom. An older person could also develop other psychiatric symptoms, 
including delusions or hallucinations.
- Dementia. Debilitating memory loss — 
often, but not always, accompanied by depression or some kind of 
psychosis — can also occur as the only symptom of hypothyroidism. If you
 or a loved one is being evaluated for dementia, be sure that thyroid 
tests are part of the workup.
- Problems with balance. Abnormalities in the cerebellum at the back of the brain that occur with an under-active thyroid may lead to walking problems in older people.
(Courtesy: Harvard Newsletter)
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