Loss of Appetite

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Reviewed By:

Unnati Patel

Unnati Patel, MD, MSc (GP / Family doctor)

Yoshinori Abe

Yoshinori Abe, MD (Internal medicine)

From our team of 50+ doctors

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  • Not eating as much (no appetite)

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Content updated on Sep 6, 2022

About the symptom

Loss of appetite happens when there is loss of the desire to eat

When to see a doctor

Seek professional care if you experience any of the following symptoms

  • Melena (black stools)

  • Vomiting of blood

  • Photophobia

  • Unexplained weight loss of 5% or more in 1 month

  • Recent weight loss

  • Edema

  • Jaundice

  • Fever

  • Gross hematuria

Possible causes

  • Helicobacter pylori infection

    Helicobacter pylori or H. pylori, is a bacteria that is commonly found in the stomach of approximately half the world's population.The vast majority of people have no symptoms. However, H. pylori is capable of causing a number of digestive problems, including ulcers and, rarely, stomach cancer. H. pylori bacteria may spread through direct contact with saliva, vomit, feces or contaminated food or water.

  • Diabetes mellitus (DM)

    A disease where blood sugar levels are abnormally high, due to problems with insulin production or resistance. There are often no symptoms until the condition has worsened, hence regular screening is important.

  • Cirrhosis of the liver

    A condition where normal liver is permanently damaged and replaced with scar issue. There are many different causes including infections, alcohol abuse and diabetes.

  • Drug-induced nausea and vomiting
  • Migraine
  • Chronic pyelonephritis
  • Bacterial gastroenteritis
  • Aerophagia
  • Viral gastroenteritis

Related serious diseases

  • Pneumonia (lower respiratory tract infection)

    Inflammation of the lungs. Symptoms include cough, increased phlegm and fever. Some patients may experience breathlessness and chest pain. The most common cause is a bacterial infection.

Questions your doctor may ask about this symptom

Your doctor may ask these questions to check for this symptom

  • Do you have less or no appetite, therefore eat less food?

  • Do you have a fever?

  • Do you have nausea or vomiting?

  • Do you have abdominal pain (stomach ache)?

  • Do you have loose stools or diarrhea?

Other Related Symptoms

Symptoms from the same body system / part

Reviewed By:

Unnati Patel

Unnati Patel, MD, MSc (GP / Family doctor)

Yoshinori Abe

Yoshinori Abe, MD (Internal medicine)

From our team of 50+ doctors

Just 3 minutes.
Developed by doctors.

Ubie is supervised by 50+ medical experts worldwide

Shohei Harase

Shohei Harase, MD

Neurology

Kameda Medical Center, Japan

Sanshiro Kato

Sanshiro Kato, MD

Emergency department

Kawai Clinic, Japan

Yu Shirai

Yu Shirai, MD

Psychiatry

Yotsuya Yui Clinic, Japan

Yoshinori Abe

Yoshinori Abe, MD

Internal medicine

Co-founder of Ubie, Inc.

Rohini R

Rohini R, MD

Ear, nose, throat (ENT)

Bayshore Health Centre, India

Seiji Kanazawa

Seiji Kanazawa, MD, PHD

Obstetrics and gynecology (OBGYN)

National Center for Child Health and Development, Japan

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