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Doctor insights on: Reasons For Sudden Loss Of Appetite

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What can be the reason for becoming nauseous all of a sudden with a loss of appetite?

What can be the reason for becoming nauseous all of a sudden with a loss of appetite?

Consider this...: The GI tract has a very limited # of symptoms to signal its distress--nausea/vomiting, diarrhea/constipation, bloating, pain, fullness, bleeding, etc. Many of these characterize ibs, but are also seen with inflammatory, infectious, ischemic, malabsorptive, ; functional disorders, as well as pregnancy. Directed lab work, imaging, +/-biopsies, stool studies will find your answer ; direct therapy. ...Read more

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Dr. Jonathan Jassey
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Dr. Carlos Satulovsky
648 doctors shared insights

Loss Of Appetite (Definition)

Loss of appetite is a symptom in which a person loses some desire to eat or drink foods, and has less appetite than normal for somebody of his age and size. Many illnesses, physical and psychological, can cause ...Read more


Dr. Jonathan Jassey
Board Certified
11 years in practice
700K people helped
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My 16 year old daughter has pneumonia for at least one week and has had complete loss of appetite. Any reason for this?

My 16 year old daughter has pneumonia for at least one week and has had complete loss of appetite.  Any reason for this?

Pneumonia: Don't worry about a loss of appetite during illness. It will go away. Meanwhile that's way grandmas reccomend chicken soup. Your grandma is pretty smart after all. ...Read more

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Dr. Jonathan Jassey
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11 years in practice
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I have a sudden loss of appetite, weird thing is this happens while I eat. Why?

I have a sudden loss of appetite, weird thing is this happens while I eat. Why?

Acute? Chronic?: Early satiety (suddenly feeling full after eating a small amount) can be seen with a bunch of problems. An alarm symptom which should get checked out. Can be seen with stomach inflammation, ulcers, poor stomach emptying, masses or obstruction, liver enlargement, spleen or lymph node enlargement, other organs squishing the stomach, metabolic issues. See your doc. ...Read more

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Help! i just have sudden loss of appetite and nausea?

Help! i just have sudden loss of appetite and nausea?

Consider this...: The GI tract has a very limited # of symptoms to signal its distress--nausea/vomiting, diarrhea/constipation, bloating, pain, fullness, bleeding, etc. Many of these characterize ibs, but are also seen with inflammatory, infectious, ischemic, malabsorptive, ; functional disorders, as well as pregnancy. Directed lab work, imaging, +/-biopsies, stool studies will find your answer ; direct treatment. ...Read more

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Why do I have a sudden loss of appetite? And nausea also?

Could be lots. C MD: Could be anything from pregnancy to infection, hepatitis, tumor, appendicitis, ulcer disease, metabolic/hormonal, kidney failure, and lots more. Don't know you, or your history. Call your doctor. ...Read more

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I am 51 year old male and am suffering unexplained weight loss and sudden loss of appetite?

I am 51 year old male and am suffering unexplained weight loss and sudden loss of appetite?

Go see your doctor!: Unexplained weight loss +/- loss of appetite needs to be evaluated. In this age group, we start worrying about colon cancer. Upper endoscopy to investigate stomach (for possible cause of loss of appetite) can be easily done at same time as colonoscopy (screening for colon cancer). Your family doctor can refer you to gastroenterologist for testing after checking for hyperthyroidism. Good luck! ...Read more

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What are some reasons for chronic loss of appetite?

Well.. I can: give you some. Depression is the most common at a young age. Drug abuse, use of stimulants including stimulant drugs that are useful (ritalin, etc for ADHD). stimulant effects of some antidepressants. Cancer, in theory. Gastrointestinal disease or other diseases producing nausea. some..... ...Read more

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What are some reasons for a loss of appetite for a long period of time?

A multitude of cause: There could be a lot of reasons. Depression, stress, gastrointestinal problems, endocrine causes, even in the worst scenario cancer. (very low incidence in your age) If you are losing weight you should be screened for depression, look at the stress in your life and get some testing done. ...Read more

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Dr. Jonathan Jassey
Board Certified, Pediatrics
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