Peter Hibberd, M.D., is a doctor whose advice is based on more than 28 years of hospital outpatient and inpatient experience. He is an experienced emergency medicine physician, surgeon, and consultant. Dr. Hibberd is certified by the American Board of Emergency Medicine. He is also a fellow and active member of the American Academy of Family Physicians, an active member of the American College of Emergency Physicians, and a member and fellow of the American Academy of Emergency Medicine. Dr. Hibberd has earned numerous national and international professional certifications, memberships, and awards.
Tags: Diabetes | Thyroid Disorders | fatigue | meals | post-prandial | blood | sugar

Why Am I Tired After Lunch?

Monday, 26 Aug 2013 10:06 AM

Question: I am 27 years old and in good health, but I often feel lazy and tired after lunch and dinner. What causes this?

Dr. Hibberd's answer:

Your experience — sometimes called
"post-prandial fatigue" — is quite common and not usually an indicator of disease. But it would be wise to have your fasting and two-hour post prandial blood glucose checked, as well as your HBA1C — an indicator of average blood glucoses over the past 3 months — just to be sure that you are not diabetic or pre-diabetic.

Often these feelings are related to blood sugar overload, and if you are not handling glucose well, it is much easier to manage pre-diabetes than wait for the problems seen with delayed diagnosis of diabetes, such as cardiovascular disease, vision change or loss, reduction or loss of kidney function, coma, and stroke. Be sure your doctor also checks your TSH levels (thyroid stimulating hormone) to rule out hypothyroidism, which is also associated with impaired glucose tolerance. 

Try eating smaller and more frequent meals until you can see your physician, and avoid skipping breakfast.

Consider losing weight if you have a BMI over 28, avoid sweets, and make sure you’re getting regular aerobic exercise program at least three times a week for at least one hour. If you do not have a primary care physician, call your local hospital for a referral to one who is accepting new patients.

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