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			{{Infobox medical condition
			\| name = Abnormal basal metabolic rate
			\| synonyms = Abnormal BMR
			\| field = [[Endocrinology]]
			\| symptoms = Unexplained weight loss or gain, fatigue, changes in appetite
			\| complications = [[Obesity]], [[malnutrition]], [[thyroid disorders]]
			\| onset = Varies depending on underlying cause
			\| duration = Chronic or acute, depending on cause
			\| causes = [[Thyroid dysfunction]], [[hormonal imbalances]], [[genetic factors]], [[metabolic disorders]]
			\| risks = [[Family history]], [[sedentary lifestyle]], [[poor diet]]
			\| diagnosis = [[Blood tests]], [[metabolic rate testing]], [[thyroid function tests]]
			\| differential = [[Hyperthyroidism]], [[hypothyroidism]], [[Cushing's syndrome]], [[Addison's disease]]
			\| prevention = Healthy diet, regular exercise, regular medical check-ups
			\| treatment = Depends on underlying cause; may include [[medication]], [[dietary changes]], [[lifestyle modifications]]
			\| prognosis = Varies; can be managed with appropriate treatment
			\| frequency = Common, varies with population
			}}
	'''Abnormal Basal Metabolic Rate''' ('''BMR''') refers to any deviation from the normal range of the basal metabolic rate, which is the amount of energy expended while at rest in a neutrally temperate environment, in the post-absorptive state (meaning that the digestive system is inactive, which requires about 12 hours of fasting in humans). The BMR affects the rate at which a person burns calories and ultimately, their energy balance and weight. An abnormal BMR can indicate various health issues, ranging from metabolic disorders to hormonal imbalances.		'''Abnormal Basal Metabolic Rate''' ('''BMR''') refers to any deviation from the normal range of the basal metabolic rate, which is the amount of energy expended while at rest in a neutrally temperate environment, in the post-absorptive state (meaning that the digestive system is inactive, which requires about 12 hours of fasting in humans). The BMR affects the rate at which a person burns calories and ultimately, their energy balance and weight. An abnormal BMR can indicate various health issues, ranging from metabolic disorders to hormonal imbalances.

	==Overview==		==Overview==
	The basal metabolic rate accounts for the largest portion of the total energy expenditure by the body in a day. It is influenced by several factors including age, sex, body composition, and genetics. An abnormal BMR can lead to or be a sign of nutritional deficiencies, endocrine disorders such as [[hypothyroidism]] or [[hyperthyroidism]], and other metabolic conditions.		The basal metabolic rate accounts for the largest portion of the total energy expenditure by the body in a day. It is influenced by several factors including age, sex, body composition, and genetics. An abnormal BMR can lead to or be a sign of nutritional deficiencies, endocrine disorders such as [[hypothyroidism]] or [[hyperthyroidism]], and other metabolic conditions.

	==Causes==		==Causes==
	[[Hypothyroidism]] and [[hyperthyroidism]] are among the primary causes of an abnormal BMR. Hypothyroidism leads to a lower-than-normal BMR, while hyperthyroidism causes a higher-than-normal BMR. Other factors that can cause an abnormal BMR include:		[[Hypothyroidism]] and [[hyperthyroidism]] are among the primary causes of an abnormal BMR. Hypothyroidism leads to a lower-than-normal BMR, while hyperthyroidism causes a higher-than-normal BMR. Other factors that can cause an abnormal BMR include:

	* Genetic predispositions		* Genetic predispositions
	* Malnutrition or poor diet		* Malnutrition or poor diet
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	* Prolonged stress or illness		* Prolonged stress or illness
	* Sedentary lifestyle		* Sedentary lifestyle

	==Symptoms==		==Symptoms==
	Symptoms of an abnormal BMR depend on whether the BMR is higher or lower than normal. Symptoms of a high BMR include:		Symptoms of an abnormal BMR depend on whether the BMR is higher or lower than normal. Symptoms of a high BMR include:

	* Weight loss		* Weight loss
	* Insomnia		* Insomnia
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	* Anxiety and nervousness		* Anxiety and nervousness
	* Increased heart rate and blood pressure		* Increased heart rate and blood pressure

	Symptoms of a low BMR include:		Symptoms of a low BMR include:

	* Weight gain		* Weight gain
	* Fatigue		* Fatigue
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	* Sensitivity to cold		* Sensitivity to cold
	* Depression		* Depression

	==Diagnosis==		==Diagnosis==
	Diagnosing an abnormal BMR typically involves measuring the BMR using indirect calorimetry, which estimates the energy expenditure by measuring the oxygen and carbon dioxide exchange. This test is often complemented by blood tests to check for levels of thyroid hormones, which are closely linked to metabolic rate.		Diagnosing an abnormal BMR typically involves measuring the BMR using indirect calorimetry, which estimates the energy expenditure by measuring the oxygen and carbon dioxide exchange. This test is often complemented by blood tests to check for levels of thyroid hormones, which are closely linked to metabolic rate.

	==Treatment==		==Treatment==
	Treatment for an abnormal BMR focuses on addressing the underlying cause. For hypothyroidism, thyroid hormone replacement therapy is commonly prescribed. For hyperthyroidism, treatment may include antithyroid medications, radioactive iodine therapy, or surgery. Lifestyle changes, such as diet and exercise modifications, are also recommended to help manage BMR.		Treatment for an abnormal BMR focuses on addressing the underlying cause. For hypothyroidism, thyroid hormone replacement therapy is commonly prescribed. For hyperthyroidism, treatment may include antithyroid medications, radioactive iodine therapy, or surgery. Lifestyle changes, such as diet and exercise modifications, are also recommended to help manage BMR.

	==Prevention==		==Prevention==
	Preventing an abnormal BMR involves maintaining a healthy lifestyle, including regular physical activity, a balanced diet, and managing stress. Regular check-ups with a healthcare provider can also help detect and treat conditions that may affect BMR early on.		Preventing an abnormal BMR involves maintaining a healthy lifestyle, including regular physical activity, a balanced diet, and managing stress. Regular check-ups with a healthcare provider can also help detect and treat conditions that may affect BMR early on.

	[[Category:Metabolism]]		[[Category:Metabolism]]
	[[Category:Endocrine system]]		[[Category:Endocrine system]]
	[[Category:Health]]		[[Category:Health]]

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	~~__NOINDEX__~~

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'''Abnormal Basal Metabolic Rate''' ('''BMR''') refers to any deviation from the normal range of the basal metabolic rate, which is the amount of energy expended while at rest in a neutrally temperate environment, in the post-absorptive state (meaning that the digestive system is inactive, which requires about 12 hours of fasting in humans). The BMR affects the rate at which a person burns calories and ultimately, their energy balance and weight. An abnormal BMR can indicate various health issues, ranging from metabolic disorders to hormonal imbalances.

==Overview==
The basal metabolic rate accounts for the largest portion of the total energy expenditure by the body in a day. It is influenced by several factors including age, sex, body composition, and genetics. An abnormal BMR can lead to or be a sign of nutritional deficiencies, endocrine disorders such as [[hypothyroidism]] or [[hyperthyroidism]], and other metabolic conditions.

==Causes==
[[Hypothyroidism]] and [[hyperthyroidism]] are among the primary causes of an abnormal BMR. Hypothyroidism leads to a lower-than-normal BMR, while hyperthyroidism causes a higher-than-normal BMR. Other factors that can cause an abnormal BMR include:

* Genetic predispositions
* Malnutrition or poor diet
* Obesity
* Eating disorders such as [[anorexia nervosa]] or [[bulimia]]
* Prolonged stress or illness
* Sedentary lifestyle

==Symptoms==
Symptoms of an abnormal BMR depend on whether the BMR is higher or lower than normal. Symptoms of a high BMR include:

* Weight loss
* Insomnia
* Increased appetite
* Anxiety and nervousness
* Increased heart rate and blood pressure

Symptoms of a low BMR include:

* Weight gain
* Fatigue
* Decreased appetite
* Sensitivity to cold
* Depression

==Diagnosis==
Diagnosing an abnormal BMR typically involves measuring the BMR using indirect calorimetry, which estimates the energy expenditure by measuring the oxygen and carbon dioxide exchange. This test is often complemented by blood tests to check for levels of thyroid hormones, which are closely linked to metabolic rate.

==Treatment==
Treatment for an abnormal BMR focuses on addressing the underlying cause. For hypothyroidism, thyroid hormone replacement therapy is commonly prescribed. For hyperthyroidism, treatment may include antithyroid medications, radioactive iodine therapy, or surgery. Lifestyle changes, such as diet and exercise modifications, are also recommended to help manage BMR.

==Prevention==
Preventing an abnormal BMR involves maintaining a healthy lifestyle, including regular physical activity, a balanced diet, and managing stress. Regular check-ups with a healthcare provider can also help detect and treat conditions that may affect BMR early on.

[[Category:Metabolism]]
[[Category:Endocrine system]]
[[Category:Health]]

{{Medicine-stub}}

Abnormal basal metabolic rate - Revision history

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