infection aftercare at home

Overview

Infection aftercare is the simple, everyday care you give yourself while your body fights off an infection. It means resting, drinking enough fluids, watching your symptoms, and taking steps to stop the infection spreading to other people. For most mild infections, home care is all you need.

Yes. Nearly everyone will have an infection at some point — a cold, flu, tummy bug, or other common illness — and most people recover at home without needing hospital care.

Anyone can need to recover from an infection at home. It is especially important to follow aftercare advice carefully for babies, young children, older adults, people who are pregnant, and anyone with a long-term health condition or a weakened immune system.

Symptoms

Common symptoms

• Mild fever — feeling hot, flushed, or shivery
• Feeling very tired and low on energy
• Cough, runny nose, or sore throat
• Headache or aching muscles
• Feeling sick, being sick, or having diarrhoea (for tummy infections)
• A poor appetite
• Feeling generally unwell or 'not yourself'

Symptoms in children

• Being fussier, clingier, or more sleepy than usual
• Crying more than normal, or being hard to settle
• Drinking or eating much less than usual
• A fever, or feeling hot to the touch
• Wet nappies less often than normal — this can mean dehydration
• Crying when touched or moved (this needs a medical check)

Symptoms in older adults

• New confusion or memory changes — sometimes the first sign of infection in older people
• Unusual tiredness or weakness
• Eating and drinking noticeably less than usual
• Dizziness, fainting, or falls
• A fever — or sometimes, an unusually low body temperature
• Not needing to pass urine as often as usual

Causes

Main causes

• Infections happen when germs — viruses, bacteria, fungi, or parasites — get into the body and multiply
• Viral infections (cold, flu, many stomach bugs and childhood illnesses) usually settle on their own as the immune system clears the virus
• Bacterial infections (such as some chest, urine, throat, or skin infections) may need treatment prescribed by a healthcare professional
• Germs spread through the air (coughs and sneezes), by touching contaminated surfaces, or through food and water

Risk factors

• Being a baby or young child
• Being older (over 65)
• Having a weakened immune system — for example, from a health condition or treatment such as chemotherapy
• Living with a long-term condition like diabetes, heart disease, kidney disease, or lung disease
• Being pregnant
• Smoking, heavy alcohol use, poor nutrition, or not getting enough rest

When to see a doctor

See a doctor urgently if:

• Your symptoms are getting worse instead of better after a few days
• You have a high fever that does not settle, or one that keeps coming back
• You cannot keep fluids down and feel weak, dizzy, or very thirsty
• A cough lasts more than three weeks, or you cough up blood
• You have severe pain in your chest, tummy, ear, or head
• A wound becomes very red, hot, swollen, or starts leaking fluid

Book a routine appointment if:

• An infection seems to be lingering and is not clearing up
• You keep getting infections again and again
• You are not sure whether you need treatment or a check-up
• You would like advice on vaccinations or staying healthy

Diagnosis

A doctor or nurse will usually diagnose an infection by talking with you about your symptoms and examining you. They may check your temperature, listen to your chest, look at your throat, ears, or skin, and ask how long you have felt unwell. In most cases this is all that is needed.

Tests that may be done

• A urine test for a suspected bladder or kidney infection
• A throat swab to check for a bacterial throat infection
• A blood test to look for signs of infection or inflammation
• A chest X-ray if a chest infection or pneumonia is suspected

What to expect at your appointment

The assessment usually takes about 10 to 20 minutes. You will leave with a clear explanation of what is likely going on, whether any tests or treatment are needed, and a plan for looking after yourself at home. You will also be told which symptoms should make you seek urgent medical advice.

Treatment

For most mild infections, the best treatment is time and good home care. Your immune system does the hard work — your job is to support it by resting, drinking plenty of fluids, eating when you can, and watching for any changes. If the infection is caused by bacteria, a healthcare professional may prescribe a specific antibiotic. Always take any prescribed medicine exactly as advised and finish the full course, even if you start feeling better sooner.

Self-care at home

• Rest as much as you need and build activity back up gradually
• Drink water, diluted squash, or clear soups little and often — keeping hydrated is the single most important thing you can do
• Eat light meals if you have an appetite, such as soup, toast, rice, or fruit
• Open a window or remove blankets if you are sweating, and keep warm if you have the shivers
• Wash your hands often, especially after using the toilet or before preparing food
• Cough or sneeze into a tissue, throw used tissues away, and wash your hands afterwards
• Stay away from work, school, or nursery until you are well enough to return and no longer likely to pass the infection on
• Do not smoke, and avoid alcohol until you are feeling better
• Use only simple, pharmacist-recommended remedies for fever or aches that are suitable for you
• Ask a friend or family member for help with shopping, cooking, or childcare if you need it

Medical treatments

Medical treatment depends on what type of germ is causing the infection. Viral infections usually need no specific medicine — the immune system clears them naturally. Bacterial infections may require a course of antibiotics, which your doctor will prescribe only if they believe it is needed. Fungal and parasitic infections have separate treatments. Always ask your doctor, nurse, or pharmacist to explain any medicine, how to take it, and what to do if you feel worse or have side effects.

When is surgery considered?

Surgery is only very rarely needed for an infection — usually to drain a collection of pus (an abscess) or remove infected tissue that is not healing. If this were ever needed, your healthcare team would explain the procedure, the reasons, and what to expect before any decision is made.

Living with this condition

Think of recovery as a gentle climb, not a race. You may feel better on some days and worse on others — that is part of the process. Give yourself permission to rest, keep up with fluids, and gradually resume normal activities as your energy returns. If you notice anything that worries you — especially breathing trouble, confusion, or a return of high fever — get help without delay.

Lifestyle tips

• Try to keep a steady sleep routine, as sleep is when your immune system does its best work
• Start with short, gentle walks and build up as your strength allows
• Avoid alcohol, smoking, and heavy physical exertion until you feel fully recovered
• Keep your living space aired and clean, and wash towels and bedding regularly
• Stay in touch with family and friends — a quick call or text can help you feel less isolated

Diet and exercise

Eat a variety of nourishing foods when you can — fruit, vegetables, starchy foods, and protein-rich foods like eggs, beans, or fish all help your body repair itself. If you have little appetite, eat small amounts more often and choose soups, broths, or smoothies. For exercise, 'gentle' is the key word initially. A short walk or light stretching is fine when you feel ready, but avoid intense workouts or exhausting activity until your energy and strength have returned.

Mental health and emotional wellbeing

Being unwell can be boring, frustrating, and sometimes frightening. It is completely normal to feel low, anxious, or concerned during recovery. Be patient with yourself, celebrate small steps forward, and talk to people you trust about how you feel. If you are struggling with your mental health, please remember that crisis support is available — contact a local crisis line or speak to your healthcare team right away.

Prevention

Many infections can be prevented, or made less serious, with a few simple habits. Wash your hands regularly with soap and water, especially before eating, after using the toilet, and after coughing or sneezing. Cover your mouth with a tissue or your elbow, stay away from others when you are unwell, and keep common surfaces clean. These habits help protect you and everyone around you.

Vaccines

Vaccines offer strong protection against several serious infections, including flu, whooping cough, measles, and COVID-19. Which vaccines you need depends on your age, your health, and local recommendations. Ask your doctor or local health service which immunisations are recommended for you and your family, and when to have them.

Screening programmes

Some infections can be found early through routine checks — for example, tests for certain sexually transmitted infections or group B strep in pregnancy. Your healthcare provider can tell you which screening tests might be relevant for you based on your age, health, and circumstances.

Complications

If left untreated

• A mild infection can spread, for example from a cold into a chest or ear infection
• Dehydration can develop if you are not drinking enough, particularly in children and older adults
• A bacterial infection that is not treated can become more severe and may need hospital care
• In rare cases, an infection can trigger sepsis — the body's extreme and dangerous response to infection, which is a medical emergency

Long-term outlook

The great majority of infections clear up fully with time, rest, and fluids. Even infections that feel miserable at the time usually leave no lasting effects, and your body builds defences that can help you fight off the same germ in the future. By following sensible aftercare, staying alert to warning signs, and asking for medical help early if things change, you give yourself the best possible chance of a smooth and complete recovery.

Find support

International organisations

• World Health Organization (WHO) ↗

Local organisations

• NHS UK ↗ · United Kingdom

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