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Is Your Thyroid Healthy? 5 Signs of an Underactive Thyroid

Do you know the telltale signs of hypothyroidism?

The thyroid gland is a small butterfly shaped gland that sits just below the thyroid cartilage. The thyroid can:

  • Lift your energy.
  • Warm your body.
  • Activate the immune system.

It can also tell the body to slow down. Sometimes the thyroid slows down so much that it becomes underactive. When this happens, the thyroid gland does not do its job, and the whole body suffers. This is what is known as hypothyroidism. As common as hypothyroidism is, the detection and treatment of it are getting a second look by doctors.

What does an underactive thyroid look like?

Below are 5 straightforward signs from your body, telling you to look closer at your thyroid. The endocrine system is a system of glands that release hormones into the bloodstream.  Consider your thyroid if you experience:

  1. Edema, or swelling in the legs, arms, or face.
  2. Abdominal weight gain.
  3. Cold hands and feet. Also, check if the nail beds are overgrown with fungus.
  4. Increased susceptibility to the common cold and flu. Or, a respiratory infection that hangs around for months.
  5. Dryness, which shows up in loss of hair, brittle nails, constipation, and achy joints.

Testing for Hypothyroidism Can Be Tricky

A major issue has erupted in the medical community. Many doctors are now disagreeing over what tests should be done to check thyroid function. Traditionally, TSH, Thyroid-Stimulating Hormone that is released from the pituitary gland in the brain, would be checked along with the two thyroid hormones it produces, T3 and T4.

Do you feel like you're always the first to catch a cold? An increased susceptibility to the common cold and flu is one possible sign of an underactive thyroid. 

However, it has become commonplace to only test for TSH, and that is only one part of a very detailed picture. There are many other mechanisms at work in thyroid health. For example, healthy thyroid activity relies on:

  • Stable levels of other hormones, like estrogen and progesterone. Too much estrogen, such as from the birth control pill, will create too many thyroid-binding proteins.
  • A healthy immune system. Autoimmune hypothyroid can be missed by TSH blood panels.
  • Beneficial bacteria in the gut. Antibiotics wipe out these good microbes, which account for around 20% of the conversion of T4 to usable T3. (1)
  • An uncongested and healthy liver. The liver converts over half of T4 from the thyroid into usable T3.
  • Good adrenal function. Adrenal fatigue can slow down the function of the pituitary and hypothalamus in the brain. These three glands are a part of what is called the HPA axis (hypothalamus-pituitary-adrenal axis). An alert and healthy pituitary is essential for good thyroid function.

Clearly, with so many pathways available for the production and conversion of thyroid hormones, there are a lot of opportunities for something to go wrong.

Many people are diagnosed with this condition and given thyroid medication. Sometimes, this medication will show improvements in lab analysis as hormone levels fall into normal range. But many people still have symptoms.

What does it mean when your symptoms persist?
  • You still feel like there is something wrong with your energy levels and basal body temperature?
  • You continue to lose hair and gain abdominal weight?
  • You begin to feel better and then start to feel just as crummy as before the medication, even though you now take it religiously?

Patterns to Look For

Doctors are now investigating why thyroid tests may appear normal, but the thyroid itself may still be dysfunctional.

Seeing a pattern will help you determine if your thyroid medication is properly treating an underactive thyroid, or if more diagnosis is necessary. 

1.    Edema, which is the abnormal accumulation of fluid beneath the skin. The edema that occurs in hypothyroidism is the “non-pitting” form of edema.

  • “Non-pitting” means: You press your finger into the flesh, and it bounces right back and leaves no mark.
  • This is called myxedema, which is specifically associated with low levels of thyroid hormones.
  • Myxedema is swelling of the arms, legs, and face.
  • The bounce-back is due to springy molecules called GAGs (glycosaminoglycans).
  • GAGs are an important element in connective tissue.
  • In myxedema, they also accumulate beneath the skin with extracellular fluid. 

2.    Is there persistent weight gain, especially around your torso, that you just can’t lose no matter how frugal you are with calories?

Dr. Roby Mitchell tells us that thyroid hormones help insulin move glucose from blood into the cells. “When thyroid levels are low, more insulin is needed to maintain normal glucose. More insulin means more fat cell hyperplasia, which shows up as increased fat deposition.” (2)

The adrenals lose strength when the thyroid is underactive, which also slows down metabolism.

3.    Cold hands and cold feet may mean lack of blood flow.

Lack of blood flow to the extremities, like your hands and feet, can also show up as chronic fungal infections. This is because the essential nutrients carried in the blood do not reach the extremities as frequently. Low thyroid activity is associated with too much homocysteine - an amino acid associated with heart disease, poor blood flow, and stiff vasculature. 

4.    Nagging infections could point to an underactive thyroid.

Dr. Mitchell points out that because beta-carotene depends on thyroid hormones in order to convert into vitamin A, beta-carotene can build up in the body and cause yellow skin, especially in the hands. The official name for this is called carotoderma.

Vitamin A plays an important role in immune system health. What happens when the body cannot convert beta-carotene into vitamin A? The body may become more susceptible to infections, or it simply may not have the strength to kick a bug.

5.    Excessive hair loss, painful joints, and other signs of dryness.

The springy molecules mentioned earlier, GAGs, give connective tissue its supportive quality - like collagen and bone. Dr. Mithcell tells us that these molecules are “water magnets”. Without GAGs inside cells, cells cannot retain water. This goes back to the crystalline structure that GAGs give to connective tissue like collagen and bone. What do dry, leaky cells look like to us?

  • Wrinkled skin
  • Lusterless hair
  • Brittle nails
  • Painful joints associated with osteoarthritis

Iodine - Make Sure It’s Right for You

Because there are so many pathways to an underactive thyroid, including autoimmune hypothyroid, be careful when supplementing with iodine. Iodine, while central to the production of thyroid hormones T3 and T4, can actually make some hypothyroid conditions worse. This is because iodine speeds up the production of a thyroid enzyme. If the body has developed autoimmunity to this enzyme, which happens in the case of Hashimoto’s thyroiditis, then this will increase the inflammatory cascade. (3)

  • Iodine is not a cure-all.
  • Diagnosis, knowing the mechanism responsible for an underactive thyroid, is paramount.

Using iodine to address a thyroid condition does not take into account autoimmune hypothyroid. It also does not address diet or lifestyle, which can make a tremendous impact on thyroid hormone levels. This is why we recommend working with a qualified health care practitioner, while at the same time:

  • Healing the gut - follow the Body Ecology Diet and use Vitality SuperGreen to heal the gut lining.
  • Populating the gut with good microbes. Remember, gut flora convert 20% of T4 into usable T3! Eat fermented foods and drink probiotic beverages with every meal!
  • Regulating the immune system through Body Ecology Principles.
  • Repairing any blood sugar imbalances through Body Ecology Principles.


What to Remember Most About This Article:

The thyroid gland plays an important role in:

  • Warming the body.
  • Giving the body energy.
  • Pumping up the body’s immune system.

5 clues that may indicate your thyroid is underactive:

  1. A special kind of edema called myxedema.
  2. Abdominal weight gain.
  3. Cold hands and feet.
  4. Persistent infections or catches colds easily.
  5. Hair loss, dry skin, brittle nails, and achy joints.
  • Testing for TSH levels does not always give an accurate picture of your thyroid.
  • Diet and lifestyle can drastically affect your adrenals, the HPA axis, and the health of your thyroid.
  • Before you supplement with iodine, know the mechanism behind low levels of thyroid hormones.
  • Gut flora convert 20% of the thyroid hormone into its usable form. These good guys need to be happy and thriving!

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  1. de Herder, WW, et al. On the enterohepatic cycle of triiodothyronine in rats; importance of the intestinal microflora. Life Sci. 1989; 45 (9): 849 – 56.
  2. Mitchell, Roby. The Clinical Picture of Hypothyroidism. Holistic Primary Care: News for Health and Healing. 2008, Fall; Vol. 9 (3).
  3. Camargo RY, Tomimoria Ek, Neves Sc, et al. Thyroid and the environment: exposure to excessive nutritional iodine increases the prevalence of thyroid disorders in Sao Paulo, Brazil. Eur J Endocrinol. 2008 Sep;159(3):293-9.

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  • How to Remember What Your Thyroid Does For You

    […] an underactive thyroid can cause decreased energy, and cold hands and feet. Low thyroid activity is associated with elevated homocysteine, an amino acid associated with poor blood circulation, and an increased risk of […]

  • Patricia Jasmin

    I used to suffer from hypothyroidism for about 10 years so I have tried every treatment & supplement there is. Unfortunately nothing had any positive effect at all on me but after countless online research & trial/error I was actually able to completely cure my hypothyroidism. Here is what worked for me:

    1. Take thyroid hormone supplements. I would suggest speaking to your doctor about which ones exactly as they vary in countries but they offer great initial help.

    2. Follow every step in the free video & guide seen at the following link:

    curehealthproblem*com/hypothyroidism (obviously change the * for a dot as it won’t let me post links here). This will tackle hypothyroidism in a natural way. This is very important.

    3. Take up one of the following: tai chi, yoga or meditation. Not only will it show benefit through exercise but it will improve mental state.

    Try those two steps and hopefully you will get as much luck with getting rid of hypothyroidism as i did. Another final tip is to up the protein in your diet. Just remember it does not have to be a permanent problem, medications may slightly ease symptoms occasionally but you really need to tackle the root cause. Good luck!

  • Balbir Kour Raina

    I am fifty five years old and was diagonised with thyroid but I realized that that after taking medicine thyronorm50mc I feel very drained out and very blottened up.I stopped taking medicine and now I feel better and very lively but my tsh level is 6.00.what should I do

  • vicky

    Hi i have been having all these symptoms for a while they recomended to have my thyroid checked, im always tired and never in the mood of doing anything, also my feet are always cold and my hands get cold at times as well, will it be ok if i start taking thyroid 5 suplement before i get my thyroid checked?

  • Jessica

    I recommend being tested by a Functional Medicine Dr. I have Hashimoto's hypothyroid which is an autoimmune hypo. my TSH was normal. You have to get more tested then reg Doc test for. Check out the book "Why do I still have hypothyroid symptoms when my tests are normal" good resource and they have a list of what tests to ask for.

  • Tracey M

    I'm not dumping spam on here, but I do want to share some Facebook friends who have been a tremendous ACTIVE support community for me as a hypo patient! "Thyroid Sexy" is a great support network with TONS of information and just a great place to commiserate.
    Thank you for this webpage...I learned even MORE about my disease, and I read on it a *LOT*!

  • http://bodyecology trisha

    I have tested for under active thyroid , but it showed to be normal should i get a second opinion ? "I have all the symptoms"

  • Cherry

    I was diagnosed as having underactive thyroid, still yet to be treated by the doctor who i am sure would put me on medication that can lead to heart disease, etd.

    I am looking at alternatives, eg. herbal, and the right foods. however various sites on the net have conflicting information, i am not sure what to eat.

    one site said wheat is bad, the other said whole wheat bread is good,
    beans is bad the other said legumes is good

    millet and rye is bad, the other said they are good

    can anyone advise?


  • SarahB

    Another thing that can cause the cartoderma mentioned above, is a zinc deficiency. I suspect zinc deficiency can also be a problem behind thyroid probalems as well as zinc is the co-factor for over 500 enzymes in the body. I had a client whose skin was orange from beta-carotene but she wasn't eating much of it. In her case, she needed zinc.

  • Mel


    You will never, ever, ever, feel right with Synthroid only. You need to have your FREE T3 and FREE T4 tested, along with your Reverse T3. The word "free" is important. Definitely get on Armour. For lots more info, google Stop the Thyroid Madness.

  • P. Charles

    I read Pat's comment. I do have hypothyroidism. But I still have my thyroids, I am also being treated with T-3,T-4, Compond. My problem is I sense my hormones are completely out of wack. Because I still have lots of hotflash, I am loosing weight and the Drs are not sure why, I also have these spells when the sole of my feet gets real cold,also my hands even though the other parts of my body is warm. I am not sure what to do. It's dind of scary.

  • Pat Jackson

    My thyroid has been surgicaly removed and I have been taking Synthroid 175 mcg for some time How is the best way yo have this checked? I also understand that the Armour thyroid is better?

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