Drowsiness can also be a side effect of some antihistamine medications that people may take to help control their allergies. Anyone can experience a loss of appetite and for many different reasons. People can talk to a doctor if they have a loss of appetite for a prolonged period. The hallmarks of Crohn’s disease include inflammation of the GI tract. In this article, we look at what causes a loss of appetite, what it means, complications, and how to treat it. A person who experiences symptoms of Crohn’s disease should see their doctor for a diagnosis and treatment to help manage the condition. Often, a combination of things results in a general decline in your health and a related weight loss. Depression is a common mental health disorder, affecting more than 264 million people worldwide. Sleep requirements vary from person to person, but most adults need 7–9 hours per night. Here, we explain the causes, symptoms, and available treatment. Loss or lack of appetite is when you do not feel hungry, do not want to eat, or have no taste for food. Many factors, including mood, sleep, diet, and medications, can…. Loss of appetite is called anorexia. loss of appetite ; a change in your toilet habits ; an increase in illnesses or infections; Other common causes of unexpected weight loss. MNT is the registered trade mark of Healthline Media. Others are to do with long-term medical conditions, such as diabetes, cancer, or life-limiting illnesses. Adrenal Fatigue. Appetite loss or poor appetite are common side effects from cancer and its treatment. If gastroenteritis is due to norovirus, it should go away on its own within 1–3 days. Ongoing appetite loss may lead to serious complications. The medical term for such inflammation in these areas is viral gastroenteritis. People with a very low appetite that lasts more than a few days usually lose weight. Loss of appetite is defined as “absent hunger” or “when your desire to eat is reduced.” (1) Technically, anorexia is the medical term that describes loss of appetite. Medical conditions that can cause a loss of appetite include: A loss of appetite is a common side effect of many medications, along with other digestive issues, such as constipation or diarrhea. This is common when medications pass through a person’s stomach and digestive tract. People with serious medical conditions may experience a loss of appetite that can be due to the illness itself or as a side effect of treatments, such as chemotherapy treatment for cancers. Common short-term causes of feeling a loss of appetite include: People with pain in their mouths, such as sores, may also experience a loss of appetite if it becomes difficult to eat. People may also find having liquid meals, such as smoothies and protein drinks, easier to take. People who develop gastroenteritis may experience fatigue and a loss of appetite. People may be able to improve the quality of their sleep by: Dehydration can lead to decreased energy levels and feelings of fatigue. In some cases, PMS symptoms may be so severe that they interfere with a person’s day-to-day activities. While there is no medical treatment for this viral…, © 2004-2020 Healthline Media UK Ltd, Brighton, UK, a Red Ventures Company. Is there a link between ocean pollution and damage to human health? In either case, a doctor will work to diagnose the cause of the symptoms and provide appropriate treatments. Additional potential causes include medications and emotional stress. People with bacterial…, If you or a loved one live with an eating disorder, helpful advice and support from those in a similar situation can be gained from eating disorder…, Bulimia nervosa is a psychiatric illness involving regular binge eating followed by purging. Bowel Disease or Disease of the Gastrointestinal Tract (Such As Gallbladder Disease) Loss of appetite is marked by a reduced or lack of desire for food. Persistent tiredness and loss of appetite may indicate an underlying condition requiring medical attention. Cancer can also cause decreased appetite. Common symptoms of seasonal allergies include: People who experience tiredness or appetite loss as a result of allergies or antihistamine use should talk to their doctor for advice on how to manage their symptoms. Often, no physical cause is found. An individual should seek medical help if they notice any other symptoms alongside a loss of appetite, such as: People can experience a loss of appetite for a wide range of reasons. This is common when medications pass through a person’s stomach and digestive tract. Some people in the later stages of serious illnesses may experience cachexia. 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