While feeling cold after eating is usually harmless, it can also be a symptom of an uncontrolled or undiagnosed medical condition.
If you suspect you may have one of the conditions listed below, you should consult your healthcare provider.
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Hypothyroidism
Feeling consistently cold after eating may indicate hypothyroidism.
Hypothyroidism is a condition in which your body does not make enough thyroid hormones (12).
Low levels of thyroid hormones may cause a decrease in metabolic rate and digestive function, among other complications (12).
While low thyroid levels can cause various signs and symptoms, those with low thyroid levels often complain of increased cold sensitivity (13).
In hypothyroidism, your metabolism tends to slow, reducing the amount of heat your body produces.
While feeling cold may not solely occur after eating, low thyroid levels may leave you more sensitive to the cold after eating, as your body needs to exert energy to digest food (14).
Anemia
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Anemia occurs when you do not have enough healthy red blood cells.
Red blood cells are responsible for carrying oxygen from the lungs to the rest of your body.
Feeling cold is a major symptom of anemia. This is a result of the lack of oxygen carried throughout your body.
People with anemia often feel cold and experience body chills at any time of day, including after eating (15).
Other symptoms of anemia may include fatigue, shortness of breath, and irregular heartbeats (16).
Diabetes
Diabetes is a metabolic disease that causes high blood sugar levels.
Blood sugar spikes occur in people with diabetes due to either insufficient insulin production by the pancreas or the body’s inability to use insulin effectively (17).
If left untreated or unmanaged, diabetes can cause kidney and circulation problems that may leave you feeling cold.
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Unmanaged diabetes may also result in nerve damage known as diabetic neuropathy, which may make you feel cold, especially in your lower legs and feet (18).
However, these complications of unmanaged diabetes will likely leave you feeling cold all the time, not just specifically after eating.
Idiopathic postprandial syndrome
Experiencing body shakes and chills after eating is often a symptom of idiopathic postprandial syndrome (IPS).
IPS is a condition that refers to symptoms of low blood sugar levels that occur without evidence of low blood sugar levels (19).
People with idiopathic postprandial syndrome usually experience hypoglycemic symptoms 2-5 hours after a meal (20).
In addition to body shakes and chills, people with IPS may also experience clamminess, dizziness, and weakness after a meal (21, 22).
The cause of IPS is unknown. However, some researchers believe that eating foods with a high glycemic index, such as refined carbs and foods high in sugar, may contribute to the syndrome.
Summary
Feeling cold at all times of the day, including after eating, may be a symptom of an underlying medical condition, such as hypothyroidism, anemia, diabetes, or idiopathic postprandial syndrome.
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Category: WHY