Can you check your thyroid by taking your temperature?

Although there is an association between body temperature and hypothyroidism, the body temperature test as a diagnostic tool for hypothyroidism performs poorly, in fact less well than flipping a coin.

How do you check your basal body temperature with your thyroid?

How to take and record basal temperature

Use the same thermometer throughout the duration.
If menstruating wait until the third day of onset before recording temperature.
Immediately upon awakening, and with as little movement as possible, place the thermometer under the tongue or underarm.

Does underactive thyroid cause low body temperature?

Can hypothyroidism cause low body temp?

Untreated hypothyroidism may lead to anemia, low body temperature, and heart failure. Treatment may include medicine that replaces lost thyroid hormones. You usually will need to take thyroid hormones for the rest of your life.

Can thyroid problems cause low body temperature?

Does low body temperature indicate thyroid problems?

Hypothyroidism can slow down metabolism, which can lead to a drop in core body temperature. As such, some people with low levels of thyroid hormones may feel cold all the time or have a low tolerance of the cold. This feeling of coldness can persist, even when in a warm room or during the summer months.

What are signs of low thyroid levels?

Hypothyroidism signs and symptoms may include:

Fatigue.
Increased sensitivity to cold.
Constipation.
Dry skin.
Weight gain.
Puffy face.
Hoarseness.
Muscle weakness.

What does a low temperature indicate?

Why is my body temperature low? Studies show that core body temperature decreases with age. Hypothyroidism, or an underactive thyroid, can also slow down metabolism, which can lead to a drop in body temperature. If your core body temperature dips down to 95 F (35 C) or lower, that’s considered hypothermia.