Is it My Thyroid, or All in My Head?

how do you know when your fatigue, temperature fluctuation, and mood swings are a sign that your thyroid levels are off or rather a sign that you're just… human?

by Nikki Cagle Social Media Director

Everyone gets tired sometimes. Everyone’s body has temperature changes. And certainly, everyone can be moody with a capital M. So how do you know when your fatigue, temperature fluctuation, and mood swings are a sign that your thyroid levels are off or rather a sign that you’re just… human?

For me, the mental game with my thyroid is a hard one to overcome. After I had my thyroidectomy and went from being hyperthyroid to hypothyroid, so I was in thyroid limbo — my levels were in constant flux, and I could almost always blame my lack of focus and mood swings on my faulty thyroid (or lack thereof). Then, even after my levels were normalized (nine months post-thyroidectomy), I found myself constantly questioning what was thyroid-related and what was just #twinmomlife.

The only way I could put my mind at ease was to check my thyroid levels. Thankfully, I had an amazing medical team who was always willing to see me just to say, “Yep, your levels are great — you can stop being paranoid,” or, “You’re right — it’s your thyroid. Let’s fix that.” Sometimes, getting that A-OK from the doctor was just what I needed to snap out of it and stop blaming my fatigue on my thyroid. (And, you know, maybe a sign that I should just go to bed a little earlier.)

But when you blame your health troubles on something for so long, it’s hard to change your thinking. Here are some of the constant confusions I had to work through to decipher whether they were due to thyroid life or just real life.

Woman who is feeling cold wrapped in a blanket and drinking tea.

Is it my thyroid — or is everyone else cold in here, too?

The good news is this is not all in your head. Your body temperature can be affected by your thyroid — in fact, it’s a known symptom of hypothyroidism. I never knew this until I went to a Thyroid Cancer Survivor's Association (ThyCa) Conference and they had blankets everywhere for the attendees. They knew people who were living with thyroid disease had fluctuating body temperatures and they wanted to make sure everyone was comfortable. 1.) How thoughtful. 2.) Mind blown. So that’s why I’m always cold!

Cold weather can also contribute to your symptoms and influence your thyroid stimulating hormone (TSH) level. When temps drop, your TSH should naturally increase to regulate your body temperature — but for someone with hypothyroidism, you know your TSH level isn’t always on your side. To combat cold weather, or even cold spells in warm weather (it’s a thing), I pack on the layers, rock fuzzy socks, and keep space heaters in business.

Woman suffering from depression.

Is it my thyroid — or am I just moody?

Holy mood swings, you guys. As if being a woman with raging hormones wasn’t enough — now my thyroid hormones are going to collide with my womanly hormones and create the perfect mood-storm? I apologize in advance to anyone in my path.

While it is not fully understood how the thyroid can affect your mood, we do know that thyroid hormone receptors are found throughout the brain, including in areas linked to mood disorders. So, sure, changes in hormone levels could affect mood. In fact, a study shows that women with hypothyroidism are much more likely to develop depression than women without the condition.

But every mood swing can’t possibly be linked to our thyroid levels, right? As much as I constantly say, “Sorry guys — thyroid-swing,” I know that sometimes it’s just life’s regular stress points that are overwhelming me. In those cases, I just try to re-prioritize and practice a little self-care. Working out is one of my greatest stress-relievers!

Woman wearing leggings standing on a scale.

Is it my thyroid — or do I need to lay off the sweets?

I have struggled with weight my entire life — it’s an everyday battle that I now choose to fight with healthy eating and regular workouts. When there was first talk of me having my thyroid removed due to an enlarged toxic nodule, I did a lot of reading about what being hypothyroid would mean. The number one symptom? Weight gain. In all honesty, I thought about refusing the thyroidectomy for fear that I would gain all of my previously lost weight back and never be able to lose it again. I worked so hard to get here, and now my thyroid was going to work against me? No thanks.

But here I am, thyroid-free, living a healthy hypothyroid life. It isn’t easy — and every time I start to feel sluggish or unmotivated, I start blaming my thyroid. The best cure for that is for me to hop on the treadmill — it’s kind of a punch in the face to my thyroid levels.

Stressed young mother at home with baby in kitchen.

Is it my thyroid — or postpartum depression?

This was the toughest combo for me to overcome. I got my thyroid removed at three months postpartum, so I was sent into a haze of hypothyroidism while also trying to stay afloat as a first-time mom to twins. Looking back, I sometimes can’t believe I made it through that haze. For months, I lacked concentration and would zone out while reading a simple work email. I would cry at the drop of a hat over the most minuscule things. I never felt present, and I was devastated that I was missing out on some of the most precious months of my twins’ lives.

I’ll probably never know whether it was postpartum depression or my thyroid levels causing that haze, because by the time my thyroid levels finally normalized (nine months after my thyroidectomy), I would have been creeping out of the postpartum woods anyway. Maybe it was a little of both — or maybe my thyroid levels were the only culprits all along. Either way, it was a tough season of life, and no one can make it through that alone. Speak up to your loved ones, and even your co-workers so they can support you. Be patient with yourself. And know you’re not alone.

At the end of the day, if your hands are freezing; you’re snapping at every poor soul around you; you can’t for the life of you shed those five extra pounds; or you’re postpartum but not enjoying it like everyone said you would — get your thyroid levels checked. It won’t hurt — except maybe for that tiny second when they poke you with the needle. You’ll either leave with an adjustment of your thyroid medication that could help you feel better, or you’ll leave with the reassurance that everything is fine — and that peace of mind can make all the difference.

Nikki Cagle
Meet Our Writer
Nikki Cagle

Nikki has grown alongside HealthCentral since 2014 — coming in as the Community Manager to cultivate relationships with our cherished health advocates, and grew into a social media role that would allow her to touch many more advocates. Along with overseeing HealthCentral's social platforms, Nikki also collaborates across Remedy's network to build out organic social-editorial plans that connect with and guide their communities. She is passionate about health and humankind, and found a home in bringing the two together at Remedy. Prior to HealthCentral, she worked as social media manager and hosted a talk show for the Association of Fundraising Professionals. She’s done interviews with philanthropists such as Wayne Gretzky, Carolyn Miles of Save the Children, and internationally recognized philanthropist and author Jerry Panas.