COVID recovery after eating

Overview

When you're recovering from COVID-19, eating can feel different than usual. You might have little appetite, lose interest in food because of taste or smell changes, or feel uncomfortable after meals. This is part of the body's healing process, and with time and simple strategies, most people get back to eating normally.

Yes. Many people who have had COVID-19 have temporary changes in appetite, taste, or digestion during their recovery. These changes usually improve without special treatment.

Anyone recovering from COVID can be affected, but it is more noticeable in older adults, people who had severe illness, and those with ongoing symptoms commonly known as long COVID.

Symptoms

Common symptoms

• Loss of appetite or not feeling hungry
• Fatigue or tiredness shortly after eating
• Nausea or feeling full after only a few bites
• Bloating, gas, or stomach cramps
• Diarrhoea or constipation
• Altered taste or smell, making food seem bland or unpleasant

Symptoms in children

• Being fussy or refusing to eat
• Eating very little at mealtimes
• Stomach aches or feeling sick
• Lack of interest in foods they used to enjoy

Symptoms in older adults

• Unintentional weight loss
• Muscle weakness or reduced strength
• Dehydration from not drinking enough
• Digestive discomfort after eating
• Becoming easily tired during meals

Causes

Main causes

• The COVID-19 virus can inflame the lining of the digestive tract, causing nausea or discomfort.
• The immune system's response to the infection can change appetite and energy use.
• Damage to the nerves involved in taste and smell can make food taste different or unpleasant.
• Rest and reduced physical activity during illness can slow digestion and make you feel full quickly.

Risk factors

• Older age
• Being admitted to hospital with severe COVID
• Having pre-existing digestive problems or long-term conditions
• Developing long COVID (symptoms persisting for weeks or months)

When to see a doctor

See a doctor urgently if:

• Severe or worsening abdominal pain
• Inability to keep fluids down
• Signs of dehydration or extreme weakness
• Sudden, unintentional weight loss

Book a routine appointment if:

• Eating problems that last more than a few weeks
• You are not gaining back any weight or strength
• You feel food is getting stuck or you are vomiting regularly
• You are worried about how much you are eating and drinking

Diagnosis

Your healthcare provider will ask about your symptoms, medical history, and how you have been eating and drinking since having COVID. They may also check your weight and look for signs of dehydration or malnutrition.

Tests that may be done

• Blood tests to check for anaemia, vitamin levels, and signs of infection
• Tests to check kidney function and hydration status
• Stool tests if you have persistent diarrhoea
• In some cases, a breathing test to look for food intolerances

What to expect at your appointment

Most people do not need extensive testing. Your provider will help you find practical ways to improve your appetite and manage symptoms. If they suspect a more serious condition, they may refer you to a gastroenterologist or dietitian.

Treatment

Treatment focuses on supporting your body while it recovers. There is no single medicine for eating difficulties after COVID. Care is about helping you eat and drink enough, managing symptoms, and gradually returning to a balanced diet.

Self-care at home

• Eat small meals and snacks every 2–3 hours instead of large meals.
• Choose nutrient-rich foods you can manage, like soups, porridge, eggs, yoghurt, fruit, and smoothies.
• Drink fluids regularly during the day, taking small sips if you feel full.
• Avoid very greasy, spicy, or fried foods if they cause nausea or bloating.
• If acid reflux is a problem, do not lie down within 30 minutes after eating.
• Try to eat in a calm, relaxed setting and take a short walk after meals if you can.

Medical treatments

If you are losing weight or becoming malnourished, a doctor or dietitian may suggest oral nutrition supplements, vitamin and mineral products, or medicines to control nausea or reflux. These are only recommended after an individual assessment. Always follow your healthcare provider's advice and do not start any supplement without checking first.

When is surgery considered?

Surgery is not a standard part of care for COVID-related eating difficulties. It may be considered only if tests reveal a separate condition such as a blockage or a severe ulcer.

Living with this condition

Give yourself permission to eat smaller portions. Set gentle routines for meals and snacks, and do not criticise yourself if you cannot eat as much as before. Keep easy-to-reach foods like crackers, cheese, and fruit available for times when you feel up to eating.

Lifestyle tips

• Plan your meals the night before to reduce stress at mealtime.
• Aim for regular gentle activity, like stretching or short walks, to stimulate appetite.
• Prioritise sleep and rest; tiredness can make appetite worse.
• If you smoke, try to cut down or stop, as smoking can reduce taste and appetite.

Diet and exercise

Focus on foods with protein (eggs, beans, fish, lean meat), slow-release carbohydrates (wholegrain bread, oats, rice), and plenty of vegetables. You do not need to force large portions. Drink plenty of water. Light exercise, such as walking, can help digestion and improve your mood.

Mental health and emotional wellbeing

Eating problems can feel frustrating and worrying. You may feel upset if you are not enjoying food, or anxious about losing weight. These feelings are normal. It can help to talk to a trusted friend or family member. If you feel low or anxious most of the time, consider speaking to a counsellor or your GP.

Prevention

You cannot always prevent eating problems during COVID recovery, but staying well-nourished while unwell may help. If you are ill, try to eat small amounts regularly, even if you are not hungry, and keep up your fluids.

Vaccines

COVID-19 vaccination reduces the chance of becoming seriously ill and developing long COVID, which may lower the risk of prolonged eating problems. It is important to stay up to date with your recommended vaccines.

Screening programmes

There is no routine national screening programme for eating problems after COVID. However, your doctor may check your weight and nutrition during follow-up appointments if you have had a severe infection or are at higher risk.

Complications

If left untreated

• Unintentional weight loss and muscle loss
• Dehydration, which can lead to kidney problems
• Malnutrition, causing weakness and slow recovery
• Persistent fatigue because the body lacks energy to repair itself

Long-term outlook

For most people, eating and digestion return to normal within a few weeks. Even for those with long COVID, symptoms often improve over time. You do not have to manage this alone — support from healthcare professionals, family, and community groups can make a real difference.

Find support

International organisations

• World Health Organization (WHO) ↗

Local organisations

• NHS – Your general practice or local hospital ↗ · United Kingdom

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