That Embarrassing Topic: A Low Libido/Loss of Sex Drive with Hypothyroidism

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It shouldn’t be embarrassing to talk about, but it is to many people;

The loss of your libido (sex drive) when you have hypothyroidism.

It’s much more common that you think and, if you’re reading this, chances are you’ve experienced it. Chances are, you still are experiencing it and it might be causing you some stress.

The thyroid gland is responsible for producing hormones that are needed for every cell and function in our body. They’re needed for regulating metabolism, heart rate, temperature (hands up, who’s cold a lot of the time?) and blood pressure. They even affect our immune system and.. here we go.. our sex drive.

I said it.

But why?

Low Sex Drive and Thyroid Problems

Well, I’ll start with what I’ve learnt about the active thyroid hormone T3. I specify it as being the active hormone since T4, the storage thyroid hormone, must be converted in to T3, but many of us struggle with this. And with hypothyroidism, the metabolism is slowed down, which means the reproductive organs slow down as well.

Anyway, T3 just so happens to be vital in the functioning of both the ovaries and testes, whereby too little available T3 can cause your sex drive to go out of business and diminish. Remember how I said thyroid hormones are needed for every function and every cell? Yep, even sexual functions and arousal.

And we also know that low thyroid hormones can also cause us to feel low in mood, irritable, overly-emotional, fatigued beyond words and achey. Would you always want to have sex when you feel so rubbish?

Sex Hormones and Adrenals

As well as thyroid hormones, your adrenal hormones can also be involved. Many people with hypothyroidism also find they have adrenal fatigue, a separate condition that is identified by having too much or too little of the stress hormone cortisol.  However, your adrenal are also involved in the synthesis of DHEA, testosterone, aldosterone, oestrogen and progesterone, other important hormones. Especially important to your libido. All of these share the same precursor, pregnenolone.

The link between your libido and adrenals occurs here. When adrenal fatigue exists in the form of high cortisol, it can start to ‘steal’ more progesterone than is ideal, as it’s the precursor to cortisol, in order to produce more cortisol and keep up high levels. This can lead to oestrogen dominance, where the ratio of oestrogen to progesterone is very off.


Therefore, if you have an underactive thyroid or hypothyroidism, or even if you don’t and have a lack of interest in sex, experience erectile dysfunction etc. or related libido isues, it’s crucial that you have a full thyroid panel tested, to include TSH, Free T4 and that all important Free T3.

However, it would also be worth looking in to your sex hormone levels, namely oestrogren, progesterone and testosterone, and adrenal tests, since abnormal results in these can also cause a lack of interest in sexual behaviour, but also irregular periods, PMS and tension and irritability with your partner (perhaps it even annoys you when they suggest sex).

If your doctor is a conventional doctor, meaning on the NHS in the UK for example, you may find that their ability to order these tests and interpret them is limited, so seeking out a functional practitioner, integrative medicine practitioner or a naturopath, who are usually more educated on the body’s delicate hormonal balance, will likely be of more help to you. Hormonal balance is an issue you may well need to consult an expert on. In my own experience, my GP was pretty useless but a naturopath knew exactly what to do after ten minutes of talking with her about my irregular periods and severe PMT.

The good news is, that when low thyroid hormone levels are corrected, as well as sex hormone levels and adrenal dysfunction, the result is often a return to all bodily functions and processes, including your libido.

I understand that it can be difficult when you’re in a relationship with someone who wants to have that level of intimacy with you, but honestly, you’re just too tired to even think about it and undressing even seems like too much effort, it can strain the relationship. I can understand the stress of someone who wants to show their partner how much they mean to them but their partner just isn’t interested. I understand the concern this causes and worries it generates. It’s only natural.

But talk. Show them this article and the ones I’ve posted below. Explain that it’s no ones fault, but, if anything, you’ve got to work together to correct this. And be patient. 

You could also consider whether couples therapy may help you to talk about your concerns and feelings surrounding living with a partner with hypothyroidism, too. See for more info here:

You can click on the hyperlinks in the above post to learn more and see references to information given.

This post may contain affiliate links, to find out more information, please read my disclosure statement.
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Written by Rachel, The Invisible Hypothyroidism

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Rachel Hill, Thyroid Patient Advocate, blogger and author, has Six 2018 WEGO Health Award Nominations. She is a highly ranked writer appearing in the Top Hypothyroidism Websites and Top Thyroid Websites and has worked with The National Academy of Hypothyroidism, The BBC, The Mighty, Yahoo, MSN, Thyroid Refresh and ThyroidChange, to name just a few. She is well-recognised as a useful contributor to the thyroid community and also contributed the foreword to Emily Kyle’s The 30-Minute Thyroid Cookbook.

4 thoughts on “That Embarrassing Topic: A Low Libido/Loss of Sex Drive with Hypothyroidism

  1. It will always be difficult for a relationship to go through if your other partner wants an intimacy in your relationship. Having low libido can be the worst problem there could be. On this site, you’ve completely explained not to let the embarrassment eat you alive.

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