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Why do people throw up when they have the flu or viruses

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People throw up because the body is trying to fight off the infection. [ Source: http://www.chacha.com/question/why-do-people-throw-up-when-they-have-the-flu-or-viruses ]
More Answers to "Why do people throw up when they have the flu or viruses"
How can you prevent throwing up from a virus or flu??
http://www.answerbag.com/q_view/997689
As most of us know, virus's are airborn. The best way to fight against getting one is by keeping yourself as healthy as you can so your immune system can fight against it. Keep your hands washed, get plenty of rest, exercise regularly, eat ...

Related Questions Answered on Y!Answers

If you have stomach virus/stomach flu, you start to throw up a little right?
Q: well during this time, you usually dont have an appetite right? well when you start to get an appetite, does that mean you're all better? and you wont throw up again?
A: No, not necessarily, it differs from person to person. For me it also depends on the strain of virus. Sometimes it takes me a while to get an appetite, and a couple of days to reintroduce solids. I normally start with broth and jello. Then, sometimes I am sick and then the next day, it is like I was never sick at all.
is it possible to not throw up when you have the stomach flu?
Q: so i've lately been around a couple people with a stomach virus and for about three days now i've been really nauseas on and off but i still get hungry and can hold food down. does this sound like stomach flu? and if it is can i get thru it without vomiting?? thanks!
A: No such thing as the stomach"flu" (flue=influenza.influenza=respiratory infection)No, it doesn't sound like you have a stomach virus.Could it possibly be anxiety about getting it? (anxiety can make you feel really nauseas if you let it psych yourself out)Although it is possible to have a stomach virus without vomiting, you will be experiencing the other unpleasant symptom...diarrhea.If you had the virus, it more than likely would have struck by now.Prevention:Norwalk virus(Just remember that hand sanitizers will not kill this virus.House hold cleaners such as Lysol will also not kill you.You must use bleach.)The Norwalk virus causes viral Gastroenteritis which is known as the nasty 24 hour bug that causes explosive and sudden diarrhea and projectile vomiting.Usually non life threating but can cause complications in the very young,elderly and those with compromised immune systems.PREVENTION-Wash your hands before preparing food/eating food and most importantly, TOUCHING YOUR MOUTH/NOSE/EYES.The ONLY way to become infected with this virus is if you ingest the contaminated fecal/vomit particles through your eyes,nose and mouth.It is impossible to "breathe" in the virus BUT possible to become infected by breathing in aerosol "spray" droplets from someone vomiting right next to you.(the droplets settle within minuted but can still infect someone until cleaned with bleach)Even if your whole family breaks out with this virus, you can prevent it by washing your hands for at least 15-20 seconds with warm water and soap.Remember that you are not killing the virus, you are washing it down the drain even if you use an antibacterial soap (which only kills bacteria, not viruses) hand sanitizers are also not successful in killing the virus.If a member of your family comes down with the virus, let them know to wash their hands AFTER a bowel movement and vomiting.To clean infected areas, clean with BLEACH.Clean bathrooms (all infected areas) with a bleach solution as soon as possible and be sure to prevent cross contamination and wash your hands afterwards.Especially children! wipe down all commonly touched objects like door knobs, faucet handles, light switches, toilet flushers etc.People are STILL contagious even after 24 hours after their symptoms settle down so it is always important to wash your hands after the rest room (which you should do anyways!)The key to staying Norwalk virus free is to keep sanitary.Wash your hands after using the bathroom...you could prevent other peoples misery as well as yours!!TIPS:Do not share any cups/plates/utensils with an infected person and be sure to wash in a bleach solution to prevent cross contamination with the rest of your family.
I have a flu virus, I'm throwing up and I have diarrhea. I'm hungry, but don't know what to eat. Help please?
Q: I have strawberry's, bananas, and other fruits. Water, soup, microwaveable chicken, and pediatric ice pops, and juice. But what i need is food.
A: You don't have the flu.You have Norwalk virus.Don't eat any acidic foods...that will upset your stomach more.No juice, soda or milk.Toast,rice,bananas and apples will help.Keep hydrated.Prevention:"Norwalk virus"(Just remember that hand sanitizers will not kill this virus.House hold cleaners such as Lysol will also not kill you.You must use bleach.)The Norwalk virus causes viral Gastroenteritis which is known as the nasty 24 hour bug that causes explosive and sudden diarrhea and projectile vomiting.Usually non life threating but can cause complications in the very young,elderly and those with compromised immune systems.PREVENTION-Wash your hands before preparing food/eating food and most importantly, TOUCHING YOUR MOUTH/NOSE/EYES.The ONLY way to become infected with this virus is if you ingest the contaminated fecal/vomit particles through your eyes,nose and mouth.It is impossible to "breathe" in the virus BUT possible to become infected by breathing in aerosol "spray" droplets from someone vomiting right next to you.(the droplets settle within minuted but can still infect someone until cleaned with bleach)Even if your whole family breaks out with this virus, you can prevent it by washing your hands for at least 15-20 seconds with warm water and soap.Remember that you are not killing the virus, you are washing it down the drain even if you use an antibacterial soap (which only kills bacteria, not viruses) hand sanitizers are also not successful in killing the virus.If a member of your family comes down with the virus, let them know to wash their hands AFTER a bowel movement and vomiting.To clean infected areas, clean with BLEACH.Clean bathrooms (all infected areas) with a bleach solution as soon as possible and be sure to prevent cross contamination and wash your hands afterwards.Especially children! wipe down all commonly touched objects like door knobs, faucet handles, light switches, toilet flushers etc.People are STILL contagious even after 24 hours after their symptoms settle down so it is always important to wash your hands after the rest room (which you should do anyways!)The key to staying Norwalk virus free is to keep sanitary.Wash your hands after using the bathroom...you could prevent other peoples misery as well as yours!!TIPS:Do not share any cups/plates/utensils with an infected person and be sure to wash in a bleach solution to prevent cross contamination with the rest of your family.
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