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Also known as hyperthyroidism or thyrotoxicosis, an overactive thyroid is a complex issue where the thyroid gland (a small-butterfly shaped gland in the neck) produces too many thyroid hormones.
These thyroid hormones can affect many different bodily functions such as heart rate, metabolism and body temperature – amongst other things.
If your body produces too much of these hormones, it can lead to various unpleasant symptoms and may need treatment.1
An underactive thyroid is essentially the opposite of what we have explained above, where the thyroid gland doesn’t produce enough of the thyroid hormones to function properly.
This slows down the functions of the body, such as our metabolism, and can therefore sometimes lead to weight gain, tiredness and even depression.2
An overactive thyroid can make you feel a large range of different things, from changes to your mood, sleep habits, energy levels, heart rate and weight.3
There are various different factors and conditions that can cause an overactive thyroid. These include:4
While both men and women can have an overactive thyroid, this condition is roughly ten times more common in women than in men – and is most commonly developed between the ages of 20 and 40.5
So what are the symptoms of hyperthyroidism in females? Here’s what to look out for more generally:6
Some symptoms that are specific to females alone are:7,8
So we’ve run through the symptoms of hyperthyroidism in females, but what about how they present themselves in men? Here’s what to be aware of:9,10,11
Otherwise known as pediatric hyperthyroidism, children can also develop an overactive thyroid – and it can even be present in newborns. Some of the symptoms of hyperthyroidism in children include:12
If you suspect you have an overactive thyroid, get in touch with your GP for an appointment.
From here, they’ll then ask you about the symptoms you’ve been experiencing, before booking you in for a blood test to try and determine whether you do have an overactive thyroid or not.
If the blood tests show that you do have an overactive thyroid, there’s a chance you’ll be booked in for further tests to identify the cause.
Or, you’ll receive information on how to treat an overactive thyroid so you can make a more informed decision about what you want to do next.
In a lot of instances, an overactive thyroid can be treated through medication, radiotherapy or surgery.
However if left untreated or poorly managed, the condition can become very serious.
For example, a thyroid storm where the symptoms flare up in an extreme way can take place, eye issues could develop, and it could lead to pregnancy complications as mentioned earlier in the article.13
Generally speaking, an overactive thyroid can be treated – but there can sometimes be complications. The main treatments for an overactive thyroid include:14
A supplement that may help with managing an overactive thyroid is L-carnitine – a naturally occurring amino acid found in the body.
A 2001 study found that it can sometimes reverse and prevent the symptoms of hyperthyroidism.15,16
While there is a lack of clinical evidence on the effectiveness of using lemon balm for hyperthyroidism, test-tube studies have shown that it does block the attachment of antibodies to the thyroid cells that cause it.
And it is the flavonoids and phenolic acids that are said to be the reason for this.17
A mineral that is found in water, soil and foods, selenium has been shown to be able to help the symptoms of an overactive thyroid.18
Derived from the root of the konjac plant, glucomannan can be taken in a variety of ways – from capsules to powders and tablets.
One study from 2007 indicates that it could be a safe and easily tolerated therapeutic agent in the treatment of thyrotoxicosis.19
Two common symptoms of hyperthyroidism are anxiety and trouble sleeping, therefore diffusing an essential oil like lavender into the air could help to calm these feelings.
Anecdotal evidence suggests that a sugar-free diet, combined with meditation, may help to calm the nervous system at a cellular level.
Equally, the intake of artificial sweeteners should be monitored as this may have an effect on gut microbiomes and therefore the thyroid.20
While vitamin B can’t treat hyperthyroid symptoms on their own, it may support feelings of fatigue, dizziness and weakness.21
Another way to manage an overactive thyroid is through probiotics.
A recent study highlighted that probiotics have a beneficial effect on thyroid diseases and may have a positive effect on trace elements like selenium, zinc, and copper.22
And finally, another potential way to manage symptoms of an overactive thyroid is through a gluten-free diet.
A recent study came to the conclusion that this could bring beneficial clinical effects to women with autoimmune thyroid disease.23
Hyperthyroidism is a complex health condition that can affect many different bodily functions.
However, there are various treatments that you can receive from the doctors, as well as the above ways more ways that may help you to manage some of the unpleasant symptoms.
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Last updated: 20 August 2021