Thyroid Deficiency Symptoms List

Thyroid deficiency symptoms are ubiquitous. The late Dr. Ray Peat once wrote that the list of things that interfered with thyroid is as long as your arm. He stated further that progesterone, pregnenolone and coconut oil supported thyroid function.

Mitochondria, our cellular power houses depend upon thyroid to function. The mitochondria supply us with energy and supply us with heat. The normal human body temperature at 98.6 degrees is not an accident. It’s the perfect temperature to run our biochemistry.

Take the time to check out the symptoms that may apply to you. You may conclude that evaluating thyroid function should be an essential part of your hormone evaluation. Then follow up with reading the best books on thyroid.

Hypothyroid Signs and Thyroid Deficiency Symptoms


  • Fatigue
  • Weight gain
  • High cholesterol
  • Cold extremities
  • Slow movements
  • Slowed Achilles reflex
  • Slow speech
  • Pins & needles
  • Breathlessness
  • Palpitations
  • Liver tenderness and enlargement
  • Anemia
  • Repeated urinary tract infections
  • Albuminuria (protein in urine)
  • Lack of co-ordination – especially of hands and feet
  • Upper respiratory tract infections
  • Pelvic Inflammatory Disease (PID)
  • Poor response to treatments
  • Candida
  • Heavy eyelids
  • Hoarse voice
  • Goiter (enlargement of the thyroid gland)
  • Muscle cramps and weakness
  • Joint stiffness
  • Heat/cold intolerance
  • Diminished sweating
  • Hypoglycemia
  • ADHD
  • Vertigo
  • Balance problems
  • Dizziness
  • Alcohol intolerance
  • Constipation
  • Hemorrhoids
  • Irritable Bowel Syndrome (IBS)
  • Abdominal distension/flatulence

Books About Thyroid Deficiency Symptoms

Digestive Problems

  • Alcohol intolerance
  • Constipation
  • Hemorrhoids
  • Irritable Bowel Syndrome (IBS)
  • Abdominal distension/flatulence


  • Dry
  • Flaky
  • Coarse patches
  • Pallor (yellow tinge to skin)
  • Boils and spots
  • Eczema
  • Psoriasis
  • Bruising

Menstrual Disorders

  • Cessation of periods (amenorrhea)
  • Scanty periods (oligomenorrhoea)
  • Heavy periods (menorrhagia)
  • Infertility
  • PMS (premenstrual syndrome)

Non-Physical hypothyroid signs and symptoms

  • Panic attacks
  • Memory loss & confusion
  • Mental sluggishness
  • Poor concentration
  • Noises and voices in the head
  • Phobias
  • Loss of drive
  • Postnatal depression
  • Nightmares
  • Insomnia
  • Easily upset
  • Wanting to be solitary
  • Mood changes
  • Depression
  • Nervousness
  • Anxiety
  • Personality changes
  • Feelings of resentment
  • Lack of confidence
  • Loss of Libido


  • Body hair loss
  • Head hair loss
  • Brittle hair
  • Eyebrow loss (outer third)
  • Eyelash loss

Nose, Mouth & Throat

  • Difficulty swallowing
  • Sore throats
  • Swollen tongue
  • Scalloped tongue
  • Choking fits
  • Dry mouth
  • Halitosis
  • Sensation of lump in throat
  • Post-nasal drip (PND)

Visual Disturbances

  • Poor focusing
  • Double vision
  • Dry/gritty eyes
  • Blurred vision

Puffiness of

  • Eyes
  • Face
  • Hands
  • Feet
  • Ankles

Blood Pressure & Pulse

  • High blood pressure
  • Slow/weak pulse


  • Migraines
  • Pressure headaches
  • Back and loin pain
  • Wrist pain
  • Carpal Tunnel Syndrome
  • Foot pain
  • Burning Feet Syndrome

Thyroid Deficiency Due To Receptor Resistance

Numbness in

  • Legs
  • Toes
  • Arms
  • Fingers
  • Back

Hearing Problems

  • Noises in ears (hissing)
  • Deafness
  • Tinnitus


  • Brittleness
  • Flaking

Symptoms of Thyroid Deficiency Due To Reverse T3

Signs and Symptoms of Hypothyroidism – Thyroid UK

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4 thoughts on “Thyroid Deficiency Symptoms List”

  1. Since all glands and organs in the body, how can one be sure the dysfunction of one isn’t due to the malfunction of another? Seems as if the symptoms of thyroid deficiency is similar to so many other ailments, isn’t possible hypothyroidism is commonly misdiagnosed?

    • It is even more complicated than that. Many hormones are also made independently of glands! But, you are right there are complex relationships between the hormones and they can be interdependent. For example, cold hands and feet could be low thyroid but could also be low adrenal functioning.

  2. Fantastic read! I was especially impressed by the depth provided on the topic, offering a perspective I hadn’t considered. Your insight adds significant value to the conversation. For future articles, it would be fascinating to explore more to dive deeper into this subject. Could you also clarify more about the topic? It caught my interest, and I’d love to understand more about it. Keep up the excellent work!

    • There are so many possibilities for deeper dives into this subject. Dr. Barnes book and later the work of his foundation was pivotal to me in starting to look deeper.

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