Weight Loss
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Roughly how much calories do you lose when you vomit?


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Hello,

Firstly I would like to say sorry about the ghastly question, but as I threw up this morning (3 times :S) this question came into mind. I threw up either because of a virus or as some people are saying eating too much (which puts too much stress on the stomach?). I am feeling much better now, but as I was thinking, have a lost some of the calories I took in the day before? And if I have roughly how much? And as when you are sick you use your stomach muscles does that burn a lot of calories too?

Thank you and good luck!

Edited Jul 19 2010 01:41 by nomoreexcuses
Reason: Locked.
14 Replies (last)

Zero! If you think you are losing any calories when you throw up you are wrong. Once you consume the food, your body already absorbs all of the caloric energy from the foods, so whether you throw up the food or not, the calories will already be absorbed into your body. This is a very common misconception among people and bulimics. Throwing up for weight loss doesn't work at all, and all you are doing is hurting your body and not eliminating any calories!

Dangerous question... Stay away from the Darkness!

Not a good question at all.  Dont be asking questions like that...your focus should be on getting healthier and losing that virus. 

If you are that focused on the subject of this post, please seek professional help.

Maybe I missed the point. But I assumed the OP was asking so they could re-eat some of the lost calories. And are maybe worried about being below thier calorie intake because they were sick.

Unfortunaly, I cannot help as I truely do not know the answer. But I would think that if the food is still sitting in your tummy then you would not have got all the nutrients from it yet. I also should think it depends how soon after eating you were sick.

However, if you intention of this post was to establish if you should be eating to replace the food you have lost, I would say no. I'm not a doctor, but generally if you are ill and your body wont accept food. Don't force it, otherwise you will be sick again. When you do feel like you can eat, I would suggest dry toast or something. Also, keep you fluids up, when I was younger my mum used to give me boiled water to drink when I was ill (cooled first). And just sip it.

Original Post by laughoutloudx:

Hello,

Firstly I would like to say sorry about the ghastly question, but as I threw up this morning (3 times :S) this question came into mind. I threw up either because of a virus or as some people are saying eating too much (which puts too much stress on the stomach?).

 

Throwing up because you ate too much? Only if you participated in a hot dog eating contest......no, that's not a cause.

Assuming you had a virus, and assuming you have no eating disorder, focus on getting well and throw the calorie counting thing in the toilet with the vomit until you are well. The healing body needs rest, nutrition and hydration - on its own time.

 

The only thing that threw me off from the "oh, maybe she's just sick and wants to replace calories" was the "you use your stomach muscles, does that burn a lot of calories too?" As if throwing up was a two in one for weight loss...a slippery slope indeed...

Because of the large number of disordered eaters on CC, it's hard not to see "throw up" questions and think disorder.

Other than that, no you didn't lose calories, but I'm pretty sure you lost some nutrition.

Get well soon!

 

Original Post by tikiremy:

The only thing that threw me off from the "oh, maybe she's just sick and wants to replace calories" was the "you use your stomach muscles, does that burn a lot of calories too?" As if throwing up was a two in one for weight loss...a slippery slope indeed...

Agreed.

Original Post by tikiremy:

The only thing that threw me off from the "oh, maybe she's just sick and wants to replace calories" was the "you use your stomach muscles, does that burn a lot of calories too?" As if throwing up was a two in one for weight loss...a slippery slope indeed...

Because of the large number of disordered eaters on CC, it's hard not to see "throw up" questions and think disorder.

Other than that, no you didn't lose calories, but I'm pretty sure you lost some nutrition.

Get well soon!

 

You're on a roll today, Tiki!

I was thinking the exact same thing.

#9  
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Um... if that is true and you are correct, then how come people who are bulimic and anorexic are so thin? And it does take up to three days for your body to complete the digestive track and turn food into energy...

You lose exactly 24.5 calories when you vomit.

Seriously, your bulimia question isn't fooling anyone. This should be locked.

Original Post by kymielu414:

Um... if that is true and you are correct, then how come people who are bulimic and anorexic are so thin? And it does take up to three days for your body to complete the digestive track and turn food into energy...

 The DVSM for anorexia is the only one where there HAS to be a low BMI, bulimics can actually be OVERweight, not everyone who has an ED is underweight or are 'so thin'.

I agree with the other posters, even if you want to eat back your calories- you should just eat, not be so OCD about the calories you lose when you vomit as to eat EXACTLY that back.

Focus on getting healthy, eat foods easier on the stomach and take a rest day or two. Drink LOTS of water- even gatorade will help replace the fluids and electrolytes lost and thrown out of whack by the vomitting.

I KNOW that people who are struggling with anorexia and bulimia are usually OVERweight to begin with, but they OBVIOUSLY don't stay that way.  I struggle for anorexia for three years and that caused me to loose and keep off about 30 pounds.  But I did get help and got over it, for the most part.

As reported in Fairburn's, Overcoming Binge Eating; emesis is inefficient.  By the time purging bulimics who use emesis as their purgative tool initiate and execute emesis, the body has absorbed around 60% of the kilocaloric load recently consumed; hence, even purging bulimics may gain weight over time.

Basically, the % kilocaloric load you lose via emesis depends on how much of what you ate is still in your stomach.  If you've just got gastric juices in there, you need not worry about kilocalorie loss.  "If you can't hold food down," then you should be concerned with both lack of proper nutritive and kilocaloric needs.

Given that the OP may have had a virus back in February, and so should be well by now... And given that this topic can be triggering for those trying to recover from EDs... And given that there is adequate information on the topic provided, this thread is being locked.
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