what does it mean when your thyroid is overactive?
15188
Hyperthyroidism (overactive thyroid) occurs when your thyroid gland produces too much of the hormone thyroxine. Hyperthyroidism can accelerate your body's metabolism, causing unintentional weight loss and a rapid or irregular heartbeat.
71228
About 3 in every 4 people with an overactive thyroid gland have a condition called Graves' disease. Graves' disease is an autoimmune condition where your immune system mistakenly attacks your thyroid which causes it to become overactive.
628900
By forcing the heart to work harder and faster, an overactive thyroid can overtax it and cause heart failure, a condition in which the heart can't pump enough blood to meet the body's needs. The good news is that treating hyperthyroidism almost always allows your heart to recover.
61328
You shouldn't take more levothyroxine than your doctor prescribes. If you take too much of the drug, you may develop symptoms of overactive thyroid, including fatigue, sensitivity to heat, increased appetite, and sweating. Symptoms of a levothyroxine overdose may also include: Confusion and disorientation.
541786
Common signs of an underactive thyroid are tiredness, weight gain and feeling depressed. An underactive thyroid can often be successfully treated by taking daily hormone tablets to replace the hormones your thyroid is not making. There's no way of preventing an underactive thyroid.
653925
['Hyperthyroidism: Manifestation: An overactive thyroid often causes a state of increased metabolic activity.', "Friedreich's ataxia: Manifestation: Local cerebral metabolic activity is increased extensively as the disease progresses."]
688492
Taking too much thyroid hormone can cause heart rhythm problems, and may even damage your bones over time. With a diagnosis of hyperthyroidism, your doctor may prescribe anti-thyroid or beta-blocker medicines to reduce your symptoms.
11854
Hyperthyroidism: Excess thyroid hormone Excess thyroid hormone also causes the heart to beat harder and faster and may trigger abnormal heart rhythms. One is atrial fibrillation, a disorganized rhythm in the heart's upper chambers. A related symptom is palpitations, a sudden awareness of your heartbeat.
488947
Low TSH levels can mean your thyroid is making too much of the hormones, a condition called hyperthyroidism. A TSH test does not explain why TSH levels are too high or too low.
1343713
An overactive thyroid can also cause the following physical signs: a swelling in your neck caused by an enlarged thyroid gland (goitre) an irregular and/or unusually fast heart rate (palpitations) twitching or trembling.
1341641
The thyroid gland becomes overrun with white blood cells and becomes scarred. This makes the gland feel firm and rubbery. The thyroid then can't make enough of the thyroid hormone. Many people with this problem have an underactive thyroid gland. That's also known as hypothyroidism.
820218
Hyperthyroidism is when your thyroid produces too much thyroid hormone. Thyroid hormone is important for your metabolism, digestion, and heart. An increase in sweating is a symptom of hyperthyroidism. Dizziness may also occur due to a rapid or irregular heartbeat.
24073
Symptoms of Overtreatment Getting too much thyroid hormone may cause symptoms that mimic having an overactive thyroid (hyperthyroidism). You could experience: Heart palpitations or a faster heart rate, even at rest. Trouble falling asleep.
1070397
A goiter is an abnormally large thyroid gland. A goiter develops either because the whole gland is swollen or the gland has multiple growths or nodules on it. While some people with a goiter have no symptoms, others may have symptoms of an overactive or underactive thyroid.
1274194
It usually causes fever and pain in the neck, jaw or ear. The thyroid gland can also release too much thyroid hormone into the blood (thyrotoxicosis), leading to symptoms of an overactive thyroid gland (hyperthyroidism), such as anxiety, insomnia and heart palpitations. These symptoms settle after a few days.
952450
While women are 2 to 10 times more likely than men to develop an overactive thyroid, male hyperthyroidism does occur and usually requires medications to keep it in check. Men and women share many of hyperthyroidism's main symptoms, but there are some symptoms that are unique to men.
626317
Graves' disease is an autoimmune disease that leads to a generalized overactivity of the entire thyroid gland (hyperthyroidism). It is the most common cause of hyperthyroidism in the United States.