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Doctor insights on: Could Really Extreme Sleepiness After A Meal Indicate Diabetes

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After a big meal i feel weak and tired. Could this perhaps be a sign of diabetes?

After a big meal i feel weak and tired. Could this perhaps be a sign of diabetes?

Fatigue after meal: Fatigue after eating may be normal in some cases, such after an especially heavy meal. This can last from 30 minutes to a few hours. There may also be a relationship between fatigue after eating a low thyroid levels. Diabetes not as much so, although both diabetes and low thyroid conditions can cause symptoms of fatigue in general. ...Read more

Dr. Quang Nguyen
3,360 doctors shared insights

Diabetes (Definition)

A group of diseases that result in too much sugar in the ...Read more


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Can hyperthyroid cause low blood sugar? I get bouts of dizziness if I don't eat every 2 hours or upon waking. Eating helps a little but doesn't resolv

Can hyperthyroid cause low blood sugar? I get bouts of dizziness if I don't eat every 2 hours or upon waking. Eating helps a little but doesn't resolv

Hyperthyroidism: If you are treated for hyperthyroidism and have the issues you report you must see your doctor as soon as possible to see what is happening and get your thyroid levels under control. ...Read more

Dr. Ivan Ip Dr. Ip
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Sudden onset of dizziness + nausea. I ate a high sugar meal right before this. Over the past 3 weeks i've been thirsty + frequently urinating. Could this be a diabetic issue or something more?

Dr. Ivan Ip Dr. Ip
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Sudden onset of dizziness + nausea. I ate a high sugar meal right before this. Over the past 3 weeks i've been thirsty + frequently urinating. Could this be a diabetic issue or something more?

Possibly: Polyuria (freq urinating) and polydipsia (thrist) are indeed very common in diabetes. You should have it checked if these are new symptoms for you. A simple blood, test such as fasting glucose, would give you the answer. ...Read more

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Does low blood sugar cause dizziness? I often experience spinning after or during a meal

Does low blood sugar cause dizziness?  I often experience spinning after or during a meal

Many things: Low blood sugar can cause dizziness but so are low blood pressures, vertigo...It's unlikely that your blood sugar is low "during a meal". Best to do is to check your blood sugar and blood pressure during the time of dizziness to see if one of them are truly the problem. ...Read more

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Have been having low blood sugar episodes. Mainly 60-69 happening after a meal or after not eating much then drink can of cola normal or a worry?

Have been having low blood sugar episodes. Mainly 60-69 happening after a meal  or after not eating much then drink can of cola normal or a worry?

No immediate worry: Eating a large load of carbohyderates and sugary drinks causes the body to produce excess of Insulin which can lower the blood sugar excessively(It is called reactive Hypoglycemia). It is not uncommon in the general population and can be avoided easily by limiting sweet drinks or avaoiding them alltogether. Another option is to add more proteins to your meals....this will slow down insulin release ...Read more

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I'm having severe nausea and tremors after working out. I have high levels of stress and think this may be a factor. Also, weird feeling in brain. ?

I'm having severe nausea and tremors after working out. I have high levels of stress and think this may be a factor. Also, weird feeling in brain. ?

Non-headache migrain: Many people develop symptoms of a migraine reaction with nausea, vertigo, tremors, visual blurring, pale and sweaty in a stress situation. This can be brought on by strong exercise. Just modify the exercise and perhaps pre-treat with Ibuprofen or aspirin. May want to consider anxiety state and ask your doctor about some anti-anxiety medication to use as needed. Keep up good health habits. ...Read more

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Shaky legs after eating? No sign of diabetes. What else could this be?

Shaky legs after eating? No sign of diabetes. What else could this be?

Don't know: These symptoms merit a medical evaluation by a doctor to figure out the problem, particularly if recurrent. ...Read more

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I suffer from sudden hypotension during exercise (bp>120), also hypoglycemia, esp. After eating sweets. Can this be related to my lymphocitic colitis?

I suffer from sudden hypotension during exercise (bp>120), also hypoglycemia, esp. After eating sweets. Can this be related to my lymphocitic colitis?

Kangaroo: Having grown up in australia I am surprised by your id as kangaroo. If you don't mind please let me know your "relationship" with kangaroo. Bp> 120 is not hypotension but normal. What symptoms are you having? Hypoglycemia is likely to be related to your colitis but it is strange to happen after eating sweets.I would advise you to see an endocrinologist. ...Read more

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I'm pooping a lot after eating and drinking with bad stomach cramps is this a sign of pregancy ?

I'm pooping a lot after eating and drinking with bad stomach cramps is this a sign of pregancy ?

Diarrhea causes: Crampy diarrhea typically results from infection, an inflammatory process of the gut, gut ischemia, malabsorption, maldigestion, altered gut, transit, functional issues (like ibs). Medical evaluation is recommended appropriate to the duration of your symptoms, associations (bleeding, weight loss, pain, vomiting), as well as your other medical co-morbidities. Pregnancy is possible but low on list. ...Read more

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Feeling shaky for hours. Like when blood sugar is low only I've eaten plenty. I have a history of anemia could this cause it?

Feeling shaky for hours. Like when blood sugar is low only I've eaten plenty. I have a history of anemia could this cause it?

Anemia? Thyroid?: Blood sugar? Lots of possibilities. Please see your doc. He/she will provide answers and possible treatment to keep you healthy. Peace and good health. ...Read more

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I get a weak sinking feeling after each meal, could it be due to high or low blood sugar?

I get a weak sinking feeling after each meal, could it be due to high or low blood sugar?

Possibly: Many things can cause these symptoms. You need to see your doctor. He/she whill perform a thorough examination to see what's going on and tell you what to do about it. ...Read more

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I have extreme fatigue and a very unwell feeling after a bowel movement. Had normal blood tests including celiac and blood sugar. What could it be?

I have extreme fatigue and a very unwell feeling after a bowel movement. Had normal blood tests including celiac and blood sugar. What could it be?

Need more info: Its not clear why you have fatigue. I suspect you also had a normal thyroid test (underactive thyroid, or hypothyroidism is an important cause of fatigue. Also, how long have you had the fatigue? Continue to follow your treatment plan and workup and to you get resolution. Hope that helps. ...Read more

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Dizziness after having my lunch. Is it an early sign of bad food?

Dizziness after having my lunch. Is it an early sign of bad food?

Not stomach flu: More likely than bad food, it is more probable that you have reactive hypoglycemia, in which due to abnormal Insulin secretion, our blood sugar drops more rapidly than normal. This is called glucose intolerance. ...Read more

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What could cause high fatigue, nausea, high perspiration and limpness after fasting 8+ hrs in a 16-year-old?

What could cause high fatigue, nausea, high perspiration and limpness after fasting 8+ hrs in a 16-year-old?

Any underlying: medical condition? Why was he/she fasting? On any medications? Various possible causes for this: viral illness, hypoglycemia (low blood sugar), dehydration, extreme fatigue, drugs (prescription or other). ...Read more

Dr. Marsha Davis
425 doctors shared insights

Drowsiness (Definition)

Drowsiness = feeling sleepy/ feeling ...Read more


Dr. Masoud Sadighpour
269 doctors shared insights

Sleepiness (Definition)

Sleepiness = feeling the ...Read more