Click for Store Phone Numbersbutton
Welcome to Return2Health
Select Your Currency

Hypothyroidism versus Hyperthyroidism

Hyper/Hypothyroid Common Signs and Symptoms

166542233-(1)Is it hypothyroidism or hyperthyroidism? This maybe the question you have in mind when you arrived at this page. Below is a table of the most common signs and symptoms of an underactive (hypothyroid) and overactive (hyperthyroid) thyroid.

An underactive thyroid (hypothyroidism) will lead to a decrease in the level of circulating thyroid hormones. This will generally slow down your body’s metabolism. It’s like pressing the slow button on your Blu-ray or DVD player (or VCR? You still have one?!). When you press the slow button, everything slows down.

134459071-(1)An overactive thyroid (hyperthyroidism) will result in an increase in the level of circulating thyroid hormones. Your body’s metabolism speeds up. This time you’re pressing on the fast button on your player. Everything moves faster.

Sign or Symptom



Gender Preference (more common among…)



Race Preference

More or less equal among races

More common among Caucasians (white people) and Asians

Age Preference

Greater than 60 years old

Greater than 60 years old

Mental State

  1. Difficulty in concentrating or inability to concentrate 
  2. Poor memory
  3. Depression


  1. Difficulty in concentrating
  2. Insomnia and/or difficulty in going back to sleep after waking up
  3. Nervousness
  4. Irritability, easily agitated
  5. Anxious

Changes in your mood like:

  1. depression
  2. irrational and/or uncontrollable anger
  3. frequent mood swings

Blood Pressure

  1. Low blood pressure (hypotension)


  1. High blood pressure

Pulse/ Heart Rate

  1. Slow pulse rate/ Slow heart rate (bradycardia)
  1. Racing, fast pulse rate/ Fast heart rate
  2. Pounding or loud heartbeat (palpitation)



  1. Weight gain
  1. Weight loss without you exercising or going on a diet
  2. Increased appetite for carbohydrates without gaining weight


Response to Temperature

  1. You have difficulty or inability to tolerate a cold environment (cold intolerance)
  2. You feel cold when others feel warm or hot
  1. You have difficulty or inability to tolerate a warm/hot environment (heat intolerance)
  2. You can also feel hot or warm when the people around you feel cold
  3. You can have mild (low grade) fever and/or sweat heavier than others


Level of Energy

  1. Low energy
  2. Hypoactive and get tired easily (easy fatigability)
  1. High energy – “Hyper”
  2. Hyperactive, but gets tired easily
  3. Unable to stand or sit still
  4. Restlessness


Nervous System and Muscular System

  1. Numbness and tingling sensation in the hands
  1. Tremors, shaking of your hands
  2. You are jumpy or you startle easily – “Boo!”
  3. Weakness of the muscles
  4. The muscles of your arms and legs easily get tired which could feel like:
    1. difficulty climbing stairs
    2. difficulty doing exercise



  1. Diminished response time when reflex is initiated (hyporeflexia)
  1. Overactive reflexes (hyperreflexia)



  1. Pale, dry skin
  2. Coarse, dry hair
  3. Lips are coloured purple
  4. Your skin becomes itchy
  5. Loss of hair
  6. Eyebrows are shortened


  1. Warm, moist skin
  2. Thinning of skin
  3. The skin colour deepens (hyperpigmentation)
  4. Your skin becomes itchy
  5. Loss of hair (not just the hair on your head!)
  6. Increase warmth and redness of palms and soles


Digestive and Urinary Systems

  1. Less frequent bowel movements, but extended time in the toilet because of difficulty in passing stools (constipation)

More trips to the toilet and/or  kitchen because of:

  1. Frequent bowel movements (diarrhea)
  2. Loose bowel movements


  1. Frequent urination
  2. Increased appetite especially for sugars (carbohydrates)

Changes in Body Appearance

You appear fatter because of the following:

  1. Round, puffy face
  2. Swelling of the hands, lower limbs and eyelids
  3. Your abdominal girth increases (abdominal enlargement)


  1. Protruding or bulging of your eyeballs
  2. Drying and redness of your eyes
  3. Pain behind your eyes


Reproductive and Sexual Function

  1. Erectile dysfunction (males only)
  2. Loss of libido
  3. Infertility
  1. Erectile dysfunction (males only)
  2. Man breasts (males only) (gynecomastia)
  3. Loss of libido
  4. Infertility
  5. Spontaneous abortion



  1. Heavy flow
  2. Longer menstrual period
  3. More frequent periods
  1. Lighter flow
  2. Infrequent periods, can be absent
  3. Worsening PMS (premenstrual syndrome)


178843117Not all the signs and symptoms of hypothyroidism and hyperthyroidism are listed in the table above. This table is to be used only as a guide to work out the likelihood whether you have an underactive or overactive thyroid. To know exactly which one you have (or don’t have), consult your physician. Your physician will then have to identify the specific cause of your thyroid problem. Some of the signs mentioned here can only be discovered by your medical practitioner. You’ll have a better understanding of your thyroid condition if you’re aware of these signs. Your doctor might even be amazed. To read more about your thyroid please go to our thyroid series: What the Thyroid Does, Its Job (Part 1), Do You Have a Troubled Thyroid? (Part 2), How to Help Your Thyroid (Part 3).

Related Links

Leave a Reply

Your email address will not be published. Required fields are marked *

    Read more:
    Do You Live in a Toxic Environment?

    Get a good glimpse of these everyday toxins around you... We live in a world filled with everyday toxins. From...

    What You Should Know about These Specific Herbal Teas

    Herbal Tea: Benefits and Ingredients to Look Out For... and Avoid. New Zealand and Australia are ranked number 6 and...