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Doctor insights on: How Much Weight Can You Lose From Diarrhea

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Can chronic diarrhea cause an inability to lose weight?

Can chronic diarrhea cause an inability to lose weight?

No: It is more the other way around. Chronic diarrhea can be a sign of metabolic disease or a sign that you aren't absorbing nutrients properly. You should see you doctor for workup of the chronic diarrhea. ...Read more

Dr. Oscar Novick
2,183 Doctors shared insights

Loose Stools (Definition)

Loose stools is a symptom in which a person's stool (poop) does not hold its shape after it goes into the toilet. Instead of remaining a shaped piece of poop, the poop spreads out in the toilet bowl water. Very loose stool is called diarrhea. Loose stool can be caused by infections, certain foods or drinks, ...Read more


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If drinking coffee can cause diarrhea, is that mean it may help losing weight?

If drinking coffee can cause diarrhea, is that mean it may help losing weight?

Not really: If you get diarrhea after drinking coffee, your stomach may be sensitive to it. Any weight you lose with diarrhea is likely from fluid loss -- and can easily return once the stools stop. For healthy weight loss, you need to eat whole foods (no junk) and also exercise. Realize also that the composition of your body is more important than the number on the scale -- muscle is more firm than fat. ...Read more

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Whenever I wake up or eat my stomach hurts bad and I get diarrhea all the time. I have lose much weight and dark spots appear in my eyes. I feel 2 weak.

Whenever I wake up or eat my stomach hurts bad and I get diarrhea all the time. I have lose much weight and dark spots appear in my eyes. I feel 2 weak.

Abdominal pain: I would strongly advise you to see your physician for evaluation. I would do some blood and stool tests to begin with, but possibly you would need a referral to see a gastroenterologist. If this problem is ongoing then you may need upper endoscopy and colonoscopy to look for the underlying cause. I would not delay. ...Read more

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I've been losing weight at first 20kg a month sub 2kg per month I'm eating a lot. Am feeling nausea, diarrhea, lost of appetite and severe fatigue.

I've been losing weight at first 20kg a month sub 2kg per month I'm eating a lot. Am feeling nausea, diarrhea, lost of appetite and severe fatigue.

Were you trying to: Lose weight? 20 kg weight loss in one month is a huge ; unhealthy amount of weight to lose in such a short period of time. If you are dieting - would encourage you to stop until getting a handling on your symptoms. Have you been evaluated by a gastroenterologist? That is important. ...Read more

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Intense abdom. Pain, frequent sudden urge yellow diarrhea, took lexapro, (escitalopram) been 3 months, losing weight, what could this be? Please help?

Intense abdom. Pain, frequent sudden urge yellow diarrhea, took lexapro, (escitalopram) been 3 months, losing weight, what could this be? Please help?

Lexapro (escitalopram): Lexapro (escitalopram) can cause diarrhea, but generally tapers off within the first couple of weeks if it's going to. Most people check in with their physicians before 3 months, as follow-up on your progress is needed. So I'm guessing that the intense abdominal pain, frequent sudden urge diarrhea, and weight loss are more recent for you? Please see your doctor about this asap -- diagnostic studies needed. ...Read more

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I have a vagus nerve and faint if constipated. Had bad attack sun., almost fainted w diarrhea after. I've been hungry and losing weight w no cause since?

I have a vagus nerve and faint if constipated. Had bad attack sun., almost fainted w diarrhea after. I've been hungry and losing weight w no cause since?

Vasovagal reaction: You are having a vasovagal response while straining. There are many things that can trigger this response in people who are prone to get this. I can't think of anyway you can avoid going to the restroom. I was going to suggest stool softeners so you wouldn't strain so much but I see you almost fainted during a bout of diarrhea. Usually people avoid triggers but in your case, not sure. ...Read more

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I have a long family history of colon cancer, every bm is diarrhea, I'm losing weight and in severe pain, but I'm under 30. Could I have colon cancer?

I have a long family history of colon cancer, every bm is diarrhea, I'm losing weight and in severe pain, but I'm under 30. Could I have colon cancer?

Yes: Best to get these symptoms fully evaluated. You may need a colonoscopy for a definitive diagnosis. Although it is unusual for someone your age to have colon cancer, it is not impossible. Losing weight with severe pain means you need to know and not guess. Symptoms like these deserve a full evaluation in person by your health care provider. ...Read more

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My daughter has constant stomach pain and diarrhea and is losing weight. She blood panels done and came back negative. We've cut gluten, what could?

My daughter has constant stomach pain and diarrhea and is losing weight. She blood panels done and came back negative. We've cut gluten, what could?

Abdominal pain/diarr: If your daughter has constant abdominal pain, diarrhea, and weight loss, this could be many reasons and needs further work up. She had blood work done. I'm not sure what labs included. She should have abdominal/pelvic ct, stool studies, and possible colonoscopy. Suggest to see a GI doctor. ...Read more

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Obese. Supposed to take metformin for pcos & Synthroid (thyroxine) for hypothyroid. Had severe diarrhea, so stopped taking. Now can't lose any significant weight?

See your doctor: Metformin can cause diarrhea, and some people cannot take it, but most can if they work their way up slowly. Begin at just 500 mg/day, and then after a few days increase to 500 2x/day. The body usually gets used to it. All this requires careful management, and I recommend discussing this with your doctor. Are you on the right dose of synthroid (thyroxine)? ...Read more

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Yesterday I had diarrhea and my last bowel movement there was bright red blood in the toilet I am not having any stomach problems and am eating normally, also im not losing weight or anything last night what the first time I have seen this in my stool an

Yesterday I had diarrhea and my last bowel movement there was bright red blood in the toilet I am not having any stomach problems and am eating normally, also im not losing weight or anything last night what the first time I have seen this in my stool an

Hello.: Hello. First, I would like to let you know that even a few drops of blood can mix with water and give the appearance of a lot of bleeding. There are many possible causes for blood in stool - polyps, internal hemorrhoids, external hemorrhoids, anal fissures, fistulas, and sometimes the rectum or anus can get raw from liquid diarrhea. If this continues you should be evaluated to determine the cause. ...Read more

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Does green loose stools associate with giardia? I feel fine and have been losing weight also have stomach pains and stomach growling.

Does green loose stools associate with giardia? I feel fine and have been losing weight also have stomach pains and stomach growling.

Possible: Any prolonged case of diarrhea or change in bowel habits warrants an exam and possible also testing your stool for infection which would include giardia along with many other infectious causes. I would also mention your weight loss and abdominal pain to your MD when you get evaluated. ...Read more

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Is it common to lose a pound in a day due to diarrhea?

Is it common to lose a pound in a day due to diarrhea?

Yes: Yes, you can loose weight due to diarrhea, it depends on how much volume you loosing with diarrhea. ...Read more

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How soon after having diarrhea can you lose your electrolytes? An hour, two? How soon does your body go into an imbalance?

How soon after having diarrhea can you lose your electrolytes? An hour, two? How soon does your body go into an imbalance?

Depends: Massive diarrhea can lead to electrolyte imbalance in less than 24 hours. Cholera is an example of this. If you have diarrhea it is critical to replace fluids with broth, gatorade, and other fluids with salts. Avoid caffeinated products. ...Read more

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Do you lose protein after having diarrhea?

Do you lose protein after having diarrhea?

Diarrhea?: This means poor absorption of all nutritents, including protein. The answer is yes! ...Read more

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Is diarrhea normal the day after my first work out at the gym? I did weights mainly. How can I prevent it?

Is diarrhea normal the day after my first work out at the gym? I did weights mainly. How can I prevent it?

Diarrhea: Should not be common after the first or any other day after a gym work out. It may be a coincidence and I would not do much about it unless it repeats itself. Not sure how to prevent it except to exercise good hand and personal hygiene while in gym. ...Read more

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I want to know why I am gaining weight even though I am not able to eat and have had diarrhea for 3 weeks?

I want to know why I am gaining weight even though I am not able to eat and have had diarrhea for 3 weeks?

Weight diary: Food is not the only one, how about fluids? Have been drinking more than normal? Are using the same scale? Is the weight increments are significant or just tiny? Consider a diary for your meals, bowel movement and weights. ...Read more

Dr. Oscar Novick
3,342 Doctors shared insights

Diarrhea (Definition)

Diarrhea = increased frequency of stools which ...Read more