Is it normal to lose weight when you have the flu?

I had the flu since last thursday and this morning when I weight myself I was 5 lbs lighter…probably because I couldn't eat and was vomiting..

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I lost 15 lbs when I had the flu. I didn't eat.. and my fever was insane. I was sweating ALOT.

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Answer:
When you are sick, you don't eat much, so that contributes to weight loss true. But another cause of weight loss during illness could be from dehydration. Make sure you are getting plenty of fluids to avoid this. Report It

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Yes, i had the flu or cold for 3 weeks in jan and i lost alot of weight. You dont have a big appetite when your ill and you tend to just rest or sleep alot.

And you have your answer in your question, you felt sick to eat. very normal.