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Common symptoms associated with low thyroid function can then include fatigue, cold sensitivity, dry skin, hair loss, constipation, mental fog, menstrual irregularities, and weight gain, he says.
Low levels of thyroid hormones can lead to symptoms including fatigue, weight gain, cold intolerance, dry, flakey skin, loss of hair and inability to concentrate.
Hypothyroidism (also called underactive thyroid, low thyroid or hypothyreosis) is a disorder of the endocrine system in which the thyroid gland does not produce enough thyroid hormones. [3] It can cause a number of symptoms, such as poor ability to tolerate cold , extreme fatigue, muscle aches , constipation , slow heart rate , depression , and ...
Although thyroid extract was useful and usually effective, some patients continued to complain of fatigue, weight gain, or other symptoms. Dosing until the 1960s was often a matter of prolonged adjustment trials. [19] It was known that not all of the iodine content of thyroid extract was in the form of effective T4 and T3 and that actual ...
Thyroid diseases are highly prevalent worldwide, [10] [11] [12] and treatment varies based on the disorder. Levothyroxine is the mainstay of treatment for people with hypothyroidism, [13] while people with hyperthyroidism caused by Graves' disease can be managed with iodine therapy, antithyroid medication, or surgical removal of the thyroid ...
More frequent bowel movements may occur, and diarrhea is common. Weight loss, sometimes significant, may occur despite a good appetite (though 10% of people with a hyperactive thyroid experience weight gain), vomiting may occur, and, for women, menstrual flow may lighten and menstrual periods may occur less often, or with longer cycles than usual.
Thyroid hormones, another early weight loss drug, also raised energy expenditure but ceased to be used for weight loss due to cardiac risks and other adverse effects. [18] Selective thyromimetics that work on the thyroid hormone receptor beta may be able to exert some of the beneficial thermogenic effects of thyroid hormones with fewer adverse ...
Some patients (especially younger ones) gain weight due to excessive appetite stimulation that exceeds the weight loss effect. [11] Increased appetite. [4] Increased sweating [11] Heat intolerance [11] Abnormal breast enlargement in men [12] Augmented calcium levels in the blood (by as much as 25% – known as hypercalcaemia). This can cause ...