infection that comes and goes

Overview

Recurrent infections are illnesses that keep coming back, such as colds, sinus infections, or ear infections. Many people get one infection, recover, and then get another one later. When this happens often, it is called a recurrent infection. Usually, it is not a serious problem, but sometimes it can be a sign that the immune system needs extra care.

Yes, recurrent infections are very common. In fact, it is normal for some people to have several infections in a year, especially if they are around young children or in crowded places.

Recurrent infections can affect anyone, but they are more common in young children, older adults, and people with weakened immune systems. People with chronic illnesses like asthma or diabetes may also get infections more often.

Symptoms

Common symptoms

• Frequent colds or flu-like illnesses, such as 6 or more in a year
• Sinus infections that keep returning
• Ear infections, especially in children
• Bouts of bronchitis or pneumonia
• Fever that comes and goes
• Needing antibiotics several times a year

Symptoms in children

• More than 8 colds per year
• Frequent ear infections, sometimes needing ear tubes
• Coughs or colds that last longer than 10 days
• Pneumonia twice or more in a year

Symptoms in older adults

• Infections that take a long time to go away
• More severe symptoms than usual, such as high fever or worsening cough
• Confusion or tiredness that may come with an infection

Causes

Main causes

• Viral infections, like colds, that happen because you were exposed to a virus
• An immune system that is not working as well as it should, either because of a health condition or a medicine
• Structural issues, such as sinus blockages or enlarged tonsils, that make it easier for infections to develop
• Chronic conditions like diabetes, asthma, or lung disease

Risk factors

• Being a young child or an older adult
• Being in close contact with many people, like at school or daycare
• Smoking or being around smoke
• Chronic stress
• Not getting enough sleep
• Having a long-term health condition

When to see a doctor

See a doctor urgently if:

• See a doctor the same day if you have a very high fever, symptoms that are getting worse, or an infection that is not clearing after a week or two.
• If you or your child has a serious medical condition and gets an infection, call your doctor right away.

Book a routine appointment if:

• Make an appointment with your doctor if you feel you are getting sick much more often than usual, or if infections are interfering with your daily life.
• It is also a good idea to talk with a doctor if your child misses a lot of school because of infections.

Diagnosis

To find out why you get frequent infections, your doctor will ask you about your medical history and how often you get sick. They may also do a physical exam and ask questions about your symptoms.

Tests that may be done

• Blood tests to check for low blood counts or signs of an immune problem
• Swabs from your nose, throat, or skin to see what type of infection you have
• Chest X-ray if you have a persistent cough or lung infections
• Allergy tests if allergies are causing sinus infections

What to expect at your appointment

Your doctor will listen to your concerns and explain what they find. If they suspect an immune system issue, they may refer you to a specialist called an immunologist for more tests.

Treatment

Treatment for recurrent infections depends on the cause. Often, it just means treating each infection as it happens and taking care of yourself. If there is an underlying problem, your doctor will work with you to manage it.

Self-care at home

• Rest when you are sick and let your body heal
• Drink plenty of fluids like water and warm tea
• Wash your hands often, especially during cold season
• Use a humidifier if dry air makes your nose or throat uncomfortable
• Avoid smoking and secondhand smoke

Medical treatments

Doctors may recommend medicines to help with symptoms, such as pain relievers or decongestants. For bacterial infections, they may prescribe antibiotics, but they will not use antibiotics for viral infections. If an immune problem is found, there are treatments that can support your immune system, but these are always discussed with a specialist.

When is surgery considered?

In rare cases, surgery may be suggested if a structural problem like enlarged tonsils or sinus blockages keeps causing infections. This is not a first-line treatment and is only considered after other options have been tried.

Living with this condition

Living with frequent infections can be tiring, but you can manage it by learning your early symptoms and acting quickly. Rest, fluids, and a warm, comfortable space help a lot. It is also important to know when to call your doctor.

Lifestyle tips

• Get enough sleep every night
• Manage stress with activities like walking, reading, or talking to a friend
• Wash your hands regularly and keep your hands away from your face
• Stay up to date on recommended vaccinations

Diet and exercise

A balanced diet with plenty of fruits and vegetables helps keep your immune system strong. Regular exercise, like walking or gentle stretching, also supports your overall health, but avoid heavy workouts when you are sick.

Mental health and emotional wellbeing

Being sick often can feel frustrating, lonely, or even scary. It is normal to feel down sometimes. If these feelings become overwhelming, please reach out to a mental health professional or call a crisis helpline in your area. You are not alone, and getting support is a sign of strength.

Prevention

You cannot prevent every infection, but you can reduce how often you get sick by keeping a healthy lifestyle, washing your hands often, and avoiding close contact with people who are sick.

Vaccines

Staying up to date on vaccines is one of the best ways to prevent certain infections. Ask your doctor or local health service which vaccines are recommended for your age and health condition.

Screening programmes

If you get infections very often, your doctor may suggest regular check-ups or blood tests to watch for any underlying issues. This is not something most people need, but it is helpful in some cases.

Complications

If left untreated

• If recurrent infections are not addressed, they can lead to more severe infections like pneumonia or sepsis, which is a serious whole-body reaction to infection.
• In children, frequent infections rarely cause long-term problems, but they can affect school attendance and growth if not managed.
• For people with weakened immune systems, untreated infections can be more dangerous, so it is important to get medical advice.

Long-term outlook

For most people, recurrent infections are more of a nuisance than a serious health issue. With good self-care, the right treatment, and regular check-ups when needed, the outlook is very good. Even when there is an underlying cause, many people find ways to stay healthy and go on to live full, active lives.

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