If you’ve recently noticed changes in your loved one’s eating habits, unexplained weight loss, or lethargy, loss of appetite may be the culprit. Sometimes known as anorexia of aging, sudden loss of appetite in the elderly can have serious health effects. Medical or physical changes, as well as changes in a person’s environment and social life, can cause them to have a reduced appetite. You can help your loved one to want and enjoy more nutrient-dense and satisfying food by addressing these changes, making mealtimes more enjoyable, and improving meals’ nutritional quality.
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Research finds that one in four seniors suffers from appetite loss.[01] Aging can bring a number of changes that reduce a person’s appetite and negatively affect their health.
Medical or physical factors that can reduce someone’s appetite include:
Loneliness and isolation can lead to decreased appetite, especially if a person recently lost a loved one or moved to a new environment.[05]
A person’s environment, which includes their own abilities and behaviors, plays an important role in how well they’re able to care for themselves. Some important environmental factors in low appetite include:
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There are several things you can do to increase your loved one’s appetite. It’s a good idea to start with natural approaches and get expert guidance from a nutritionist or your loved one’s doctor or other health care provider.
You can do a few practical things to stimulate your loved one’s appetite and help them get adequate nutrition.
If a senior struggles with appetite or maintaining proper nutrition, consider seeking expert help. For example, an occupational therapist can recommend adaptive utensils for easier eating, while a registered dietitian can personalize meal plans to meet your loved one’s specific nutritional needs and taste preferences.
In many cases, the quality of the food a person takes in is more important than the quantity. Here are some food selection tips to encourage a senior’s appetite and boost their calorie intake:
It may be tempting to offer large plates of food, but huge helpings can be intimidating. Instead, focus on providing calorie-rich options.
“I ask caregivers not to increase the volume of food they serve to seniors with low appetites,” Garza explains. “Rather, increase the nutrient density of the foods they serve.”
Think of it this way: A small bag of potato chips and a bowl of mixed nuts provide around the same amount of food, but the mixed nuts are far healthier and more substantial. They provide protein, healthy fats, and other essential nutrients, whereas the chips mainly offer empty calories with little nutritional value.
Avocados, olive oil, and peanut butter are examples of nutrient-dense foods packed with healthy fats.
When your loved one looks forward to mealtimes, they may be inclined to eat more. Implement one or more of these suggestions to make dining more enjoyable:
Make mealtimes a social event; research suggests eating with others increases food intake.[05] Eating alone may seem unappealing to people of all ages, but seniors may be unable to have meals with others due to mobility problems, lack of transportation, or losing a spouse.
“Senior centers, temples or churches, and community centers may have weekly dinners and other mealtime events for seniors,” said Garza.
Encourage regular meal “dates” with friends, family, or caregivers, as well.
While certain medicines may help to stimulate the appetite, there aren’t currently any prescription drugs approved by the U.S. Food and Drug Administration (FDA) for this purpose unless the person also has cancer or acquired immunodeficiency syndrome (AIDS). That said, doctors are permitted to prescribe medications off-label, so it’s possible that your loved one’s doctor may recommend one of the following:[07]
Talk with your loved one’s doctor if you’ve tried nondrug tips for improving appetite but they weren’t effective.
If your parent lives alone, consider hiring an in-home caregiver who can help with meal planning and preparation. Home care aides can even handle grocery shopping to further reduce stress. Additionally, visits can be scheduled to overlap with mealtimes so your parent doesn’t have to eat by themselves.
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When elderly people stop eating, it can cause weight loss and nutritional deficiencies, potentially leading to serious health problems and increasing the risk of early mortality or impaired immune function.[11]
Other consequences of nutritional deficiencies and weight loss may include an increased risk of:[04,11]
“I remind my clients often that a loss of appetite and thirst is a normal part of aging and doesn’t always mean something is wrong,” Garza notes.
Yet, sometimes, a sudden loss of appetite in elderly adults can be more severe and require treatment. If you notice unexplained weight loss or weight gain, general lethargy, or changes in your loved one’s eating habits that persist for more than one week, the first step is to consult their doctor.
While it’s common for older adults to eat less, seek medical advice if your loved one consistently refuses to eat. A doctor can identify underlying causes and provide guidance on maintaining a healthy diet to ensure they get the nutrients they need.
For seniors who have health conditions, it can be difficult to maintain consistent, healthy eating habits. If you’re worried about a senior loved one’s health at home, consider an assisted living or memory care community, depending on their care needs. Home care services can also be a practical solution, especially if it’s important for your loved one to receive care in the comfort of their own home. Caregivers can assist with meal preparation, encourage regular eating, and help monitor nutrition.
Senior living communities help seniors meet their dietary and preferential needs through different dining options. Assisted living facilities and nursing homes often have on-site dietitians or nutritionists who craft meal plans and menus that help seniors get the nutrients they need. Many communities even offer specialized meal plans for seniors who have dietary restrictions. Get in touch with an expert from A Place for Mom for help choosing the right senior living option for your loved one.
Yes, an elderly person can die from not eating, as the body eventually runs out of energy and vital nutrients to function. If a loved one refuses to eat, seek medical advice immediately to prevent further complications.
For some people, it’s possible to survive more than a month without food, but this varies and depends on a person’s:
Some nutrient-rich and senior-friendly foods include:
If your loved one has difficulty swallowing, consult a speech-language pathologist for an accurate assessment and professional recommendations. They may suggest:
You should be concerned if your loved one shows signs of sudden weight loss or weight gain, frequent fatigue, or changes in blood work. Other red flags include a persistent lack of interest in eating, difficulty chewing or swallowing, or behavioral changes that affect their dining experience.
Cox, N. J., Ibrahim, K., Sayer, A. A., Robinson, S. M., & Roberts, H. C. (2019, January 11). Assessment and treatment of the anorexia of aging: A systematic review. Nutrients.
Su, Y., Yuki, M., Hirayama, K., Sato, M., & Han, T. (2020, January 5). Denture wearing and malnutrition risk among community-dwelling older adults. Nutrients.
Douglass, R., & Heckman, G. (2010, November 1). Drug-related taste disturbance: A contributing factor in geriatric syndromes. Canadian Family Physician.
Landi, F., Calvani, R., Tosato, M., Martone, A., Ortolani, E., Savera, G., Sisto, A., & Marzetti, E. (2016, January 27). Anorexia of aging: Risk factors, consequences, and potential treatments. Nutrients.
Ohara, Y., Motokawa, K., Watanabe, Y., Shirobe, M., Inagaki, H., Motohashi, Y., Edahiro, A., Hirano, H., Kitamura, A., Awata, S., & Shinkai, S. (2020). Association of eating alone with oral frailty among community-dwelling older adults in Japan. Archives of Gerontology and Geriatrics.
Morales-Brown, P. (2023, December 21). How many calories should I eat a day? Medical News Today.
American Geriatrics Society Health in Aging Foundation. (2012) Choosing Wisely. HealthinAging.org.
National Library of Medicine. (2023, January 19). Dronabinol. DailyMed.
National Library of Medicine. (2022, March 31). Megestrol. DailyMed.
National Library of Medicine. (2024, September 9). Mirtazapine. DailyMed.
Fielding, R. A., Landi, F., Smoyer, K. E., Tarasenko, L., & Groarke, J. (2023, February 20). Association of anorexia/appetite loss with malnutrition and mortality in older populations: A systematic literature review. Journal of Cachexia Sarcopenia and Muscle.
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