Why am I always cold?

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December 13, 2025
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Why am I always cold?

This article is written by mr.hotsia, a curious traveler who has spent years exploring Thailand, Laos, Vietnam, Cambodia, Myanmar, India and many other Asian countries.

From mountain villages in the north to big city clinics, I often hear the same question:

“Everyone else is fine, but I am freezing.”
“My hands and feet are always cold.”
“Is this just my personality, or is something wrong with my health?”

Feeling cold more easily than others is common.
Sometimes it is just how your body is built.
Sometimes it is a signal that something inside may need attention.

This article will walk through possible reasons and when it is wise to talk with a doctor. It is for general education, not a personal diagnosis.

1. Natural body type and low body fat

Some people are simply built to feel colder.

Reasons include:

  • Low body fat
    Fat acts like insulation. If you are very slim, your body may lose heat faster.

  • Small body size
    Smaller bodies may lose heat more quickly to the environment.

  • Individual sensitivity
    Some nervous systems are more sensitive to temperature changes.

People with this natural pattern often:

  • Have felt “cold all the time” since they were young

  • Feel cold even when tests are normal

  • Are especially sensitive in air conditioned places

This can be normal, but if the feeling of cold is new or much stronger than before, it is worth looking deeper.

2. Hypothyroidism (underactive thyroid)

The thyroid gland in your neck helps control how fast your body uses energy.
When it is underactive, your “internal engine” runs slower.

Common signs of hypothyroidism include:

  • Feeling cold when others are comfortable

  • Tiredness and low energy

  • Weight gain or difficulty losing weight

  • Dry skin, hair loss or brittle hair

  • Constipation

  • Heavy or irregular periods in women

  • Slower thinking, brain fog or low mood

If you are always cold plus you notice several of these signs, it is reasonable to ask your doctor to check:

  • TSH

  • Free T4

These blood tests look at thyroid function. If hypothyroidism is found, treatment can often support better temperature tolerance and overall wellbeing.

3. Anemia and low iron

Your red blood cells carry oxygen around your body.
If you have anemia or low iron, tissues receive less oxygen and you may feel:

  • Cold, especially in hands and feet

  • Very tired or weak

  • Short of breath with small efforts

  • Dizzy when standing

  • Pale skin or inner eyelids

Common causes include:

  • Iron deficiency from diet or blood loss

  • Vitamin B12 or folate deficiency

  • Chronic illness

  • Heavy menstrual periods in some women

If you are always cold and also feel weak, short of breath or notice paleness, blood tests for:

  • Complete blood count

  • Iron, ferritin, B12 and folate

may help identify whether anemia is a factor.

4. Poor circulation and Raynaud type symptoms

Sometimes the core of the body is warm, but:

  • Fingers and toes are very cold

  • Color changes happen in the skin with cold exposure

Possible patterns:

  • Raynaud phenomenon

    • Fingers or toes may turn white, then blue, then red when exposed to cold or stress

    • There may be pain, tingling or numbness

  • Peripheral circulation issues

    • Narrowed blood vessels

    • Effects of smoking, diabetes or vascular disease

If your cold feeling is mainly in hands and feet, especially with color changes or pain, it is worth discussing circulation and Raynaud type symptoms with a doctor.

5. Not eating enough or unbalanced diet

If your daily energy intake is too low, your body may protect itself by:

  • Lowering metabolic rate

  • Reducing heat production

Situations that may lead to this:

  • Strict dieting for weight loss

  • Skipping meals frequently

  • Eating very little protein or healthy fats

  • Long term illness with poor appetite

Signs that intake may be too low:

  • Constant tiredness

  • Feeling very cold

  • Losing weight without trying

  • Feeling weak or dizzy

In these cases, improving food quality and quantity, guided by a doctor or dietitian if needed, may help your body produce more heat.

6. Medications and substances

Some drugs and substances can make you feel colder, for example:

  • Certain beta blockers used for blood pressure or heart conditions

  • Some antidepressants and psychiatric medications

  • Strong sedatives or sleep medicines

  • Nicotine from smoking or vaping may affect circulation

  • Some appetite suppressants or stimulant medications may also influence temperature sensation

If you started feeling unusually cold soon after beginning a new medicine, ask your doctor:

“Could this medication be contributing to my cold feeling, and are there alternatives?”

Never stop prescribed drugs suddenly without medical guidance.

7. Sleep, stress and exhaustion

Chronic lack of sleep and long term stress can:

  • Disrupt hormone balance

  • Reduce your body’s ability to regulate temperature

  • Make you feel chilled and fatigued even in normal temperatures

You may notice:

  • Cold hands and feet at night

  • Shivering easily when you are very tired

  • Feeling both mentally and physically drained

Improving sleep habits and managing stress may not fix all causes of cold intolerance, but they can reduce one layer of the problem.

8. Age related changes

As people get older:

  • Metabolism often slows down

  • Muscle mass decreases if not maintained

  • Skin may become thinner

  • Circulation may be less efficient

Older adults frequently say:

“Everyone in the room is fine, but I need a sweater.”

This can be a normal part of aging, but sudden or extreme changes in cold sensitivity should still be evaluated, because thyroid issues, anemia and heart problems are also more common with age.

9. Serious conditions that can include feeling cold

Constant or extreme cold feeling can rarely be part of more serious conditions, especially if accompanied by other strong symptoms.

Examples:

  • Severe hypothyroidism

  • Advanced heart failure with low circulation

  • Severe infection or sepsis (may cause chills, shaking and fever swings)

  • Very low blood pressure or shock

Warning signs that need urgent medical attention:

  • Strong chest pain or heavy shortness of breath

  • Confusion or sudden mental changes

  • Fainting or near fainting

  • Very fast or very slow heartbeat

  • Shaking chills with high fever and feeling extremely unwell

In these situations, feeling cold is part of a bigger emergency picture.

10. When should I see a doctor about always feeling cold?

You should consider a medical check if:

  • The cold feeling is new or much stronger than before

  • You are cold plus other symptoms such as:

    • Strong tiredness

    • Unexplained weight gain or loss

    • Hair or skin changes

    • Shortness of breath

    • Paleness or heavy periods

    • Numbness, tingling or color changes in fingers or toes

Before your visit, it can help to:

  • Note how long you have felt this way

  • Write down other symptoms

  • List all medications and supplements

  • Notice whether the cold is general or mainly in hands and feet

Your doctor may check:

  • Thyroid function

  • Blood count and iron status

  • Blood sugar and general chemistry

  • Circulation and blood pressure

  • Other tests depending on your story and examination

The goal is not to label you as “too sensitive”, but to see whether there is a treatable reason for how you feel.

Final thoughts from the road

In a chilly guesthouse one morning, a woman wrapped in two jackets told me:

“Everyone says I am dramatic.
But I am cold even when the weather is not.”

Later, her tests showed:

  • Mild hypothyroidism

  • Low iron

  • Very irregular sleep

With treatment for her thyroid and iron, better sleep habits and a little more movement, she said:

“I still like sweaters,
but I do not feel frozen in my bones anymore.
It feels less like my body is betraying me,
and more like something I can work with.”

Feeling cold all the time is your body speaking.
Sometimes it is simply your nature.
Sometimes it is a gentle warning that something needs attention.

Listening calmly and getting checked, instead of only blaming yourself, is often the first warm step forward.

Frequently Asked Questions: Why am I always cold?

1. Is it normal to feel colder than other people?
Some people naturally feel colder, especially if they are slim or small. However, if this is new or extreme, it is important to look for medical causes such as thyroid issues or anemia.

2. Can hypothyroidism make me feel cold all the time?
Yes. An underactive thyroid is a common reason for feeling unusually cold, especially when combined with tiredness, weight gain, dry skin and constipation.

3. Can anemia or low iron be the cause?
Yes. Anemia reduces oxygen delivery to tissues and often causes cold hands and feet, fatigue and shortness of breath. Blood tests can check for this.

4. Why are my hands and feet cold even when my body feels normal?
This may be related to circulation, Raynaud type symptoms, smoking, diabetes or simply natural sensitivity. If there is pain, color change or numbness, see a doctor.

5. Can not eating enough make me feel cold?
Yes. Very low calorie intake or poor nutrition can slow metabolism and reduce heat production, making you feel chilled.

6. Do medications ever cause feeling cold?
Some drugs, like certain heart medicines, antidepressants and others, can influence circulation or metabolism and make you feel colder. Always discuss side effects with your doctor.

7. Is it just part of getting older?
Age can make people more sensitive to cold, but strong or sudden changes should not be automatically blamed on age. It is still important to rule out treatable causes.

8. Should I be worried if I am always cold but my tests are normal?
If basic tests are normal and you have been cold sensitive your whole life, it may be your natural pattern. You can then focus on practical steps like layers of clothing, warm drinks, movement and good sleep.

9. Can stress or lack of sleep make me feel colder?
Yes. Long term stress and poor sleep can disturb hormone balance and energy use, which may increase cold sensitivity and fatigue.

10. What is one practical step I can take this week?
You can:

  • Write down your cold symptoms and any other changes in your health,

  • Then ask your doctor:

“I feel cold most of the time. Can we check for thyroid problems, anemia, circulation issues or medication side effects?”

Turning a vague worry into a clear conversation is often the warmest step you can take for your health.

Mr.Hotsia

I’m Mr.Hotsia, sharing 30 years of travel experiences with readers worldwide. This review is based on my personal journey and what I’ve learned along the way. Learn more