Pneumonia

Pneumonia is an inflammation of the lung tissue, most often infectious. The disease manifests itself with a cough, fever, weakness and difficulty breathing, but only a doctor makes the exact diagnosis after an examination and tests. If pneumonia is suspected, one consults a general practitioner or a pulmonologist; children, pregnant women and people with chronic diseases need help without delay.

Which doctorPulmonologist, also a physician and paediatrician
UrgencyDo not delay
Reviewed byMedical editorial team
Updated

With typical symptoms, you should see a doctor as soon as possible to confirm the diagnosis and start treatment. Call an ambulance if there is severe shortness of breath, blue lips, confusion or a sharp deterioration in the condition.

Main

  • Pneumonia is inflammation of the lung tissue: fluid accumulates in the air sacs, gas exchange is impaired, and the tissues do not get enough oxygen.
  • Call an ambulance urgently for severe shortness of breath, blue lips, confusion and a sharp deterioration in the condition.
  • The diagnosis is confirmed by examination and listening to the lungs, chest X-ray or computed tomography, and blood and sputum tests.
  • Pneumonia is managed by a pulmonologist, a physician for adults and a paediatrician for children; they decide whether to treat at home or in hospital.
  • The risk of repeated inflammation is reduced by giving up smoking, hand hygiene, vaccination as recommended by a doctor and control of chronic diseases.

What is pneumonia

Pneumonia is an inflammation of the lung tissue, which is most often caused by infections. Let us look at what happens in the body, why the inflammation develops and who encounters it more often.

What happens in the body

The lung tissue consists of many small sacs, through whose walls oxygen enters the blood. When an infection gets into these sacs, the walls become inflamed and swollen, and fluid accumulates inside. Because of this, air can no longer pass freely to the blood, and gas exchange is noticeably impaired. A person begins to feel weakness, a cough appears and the temperature rises. The body spends a lot of energy fighting the inflammation, so even ordinary tasks become harder. The longer this condition persists, the more the supply of oxygen to the tissues suffers. Therefore, when these signs appear, it is important not to put off a visit to the doctor and not to try to wait out the malaise at home.

Why it develops

  • Bacterial or viral infection: microbes get into the respiratory tract and trigger inflammation, and viruses often weaken the defences and open the way for bacteria.
  • Exposure to cold: prolonged exposure to cold reduces the local defences of the respiratory tract, so it is harder for the body to hold back an infection that has got in.
  • Smoking and polluted air: smoke and dust damage the small airways, because of which the clearing of the lungs is impaired and it is easier for microbes to take hold.
  • Chronic lung or heart diseases: in such conditions the lungs work under increased strain, and any new infection is tolerated more severely.
  • Weakened immunity: when the body's defences are reduced, even familiar microbes can cause inflammation of the lung tissue.
  • Recent surgery or prolonged bed rest: in an immobile position mucus stagnates in the respiratory tract, and this creates conditions for the development of inflammation.

Who encounters it more often

Inflammation of the lungs occurs more often in people with weakened defences of the body and in those who are constantly in conditions of risk. Children and the elderly tolerate such conditions more severely, because their immune system does not work at full strength. Smokers and those who breathe polluted air for long periods are also at increased risk. Chronic diseases of the heart and lungs make the course of the inflammation more prolonged and require more attention. Those who have recently undergone surgery or have remained on bed rest for a long time should be considered separately. In the cold season there are more cases, as exposure to cold weakens the local defences of the respiratory tract. If a person belongs to such a group, they should monitor their condition more carefully and not leave alarming signs without attention.

What symptoms can there be?

Pneumonia announces itself in different ways: in some people the signs increase gradually, in others the condition deteriorates acutely. It is important to notice in time that an ordinary cold has dragged on and new alarming features have been added to it.

How it is noticed at the very beginning

Pneumonia often begins with signs that are easily mistaken for ordinary tiredness or a lingering cold. A person feels run-down, chilly and has a noticeably smaller reserve of strength than usual. The cough may at first seem dry and infrequent, but over time it becomes persistent and occurs more often. The temperature rises moderately, stays higher for longer than usual and subsides poorly towards the evening. Breathing during usual exertion — climbing stairs, walking quickly — begins to falter noticeably. Sweating appears, especially at night, and interest in food disappears. If such signs persist for several days and intensify, this is a reason not to wait, but to see a doctor.

Signs that occur most often

  • Cough: dry or with sputum, it persists longer than usual and gradually becomes persistent, interfering with sleep and speech.
  • Raised temperature: the fever may be moderate, but it lasts longer than with a cold and subsides poorly towards the evening.
  • Shortness of breath: a lack of air appears first on exertion, and then at rest, which noticeably limits usual activities.
  • Chest pain: the discomfort intensifies on a deep breath or when coughing, so a person involuntarily begins to breathe shallowly.
  • Weakness and sweating: feeling run-down and profuse sweating, especially at night, sap strength and noticeably reduce working capacity.
  • Loss of appetite: food ceases to be of interest, portions decrease, and this further weakens the body against the background of the illness.

When to seek help urgently

When to seek help urgently
SignHow urgentWhat to do
Typical cold symptomsIn the near futureSee a doctor
Marked shortness of breathImmediatelyCall an ambulance
Blueness of the lipsImmediatelyCall an ambulance
ConfusionImmediatelyCall an ambulance
Sharp deterioration of the conditionImmediatelyCall an ambulance

Examinations and tests

Tests for pneumonia are needed to confirm inflammation in the lungs and understand its cause. The doctor starts with an examination and then orders tests that clarify the picture.

How the examination begins

The examination begins with taking a history and a physical examination, during which the doctor assesses the complaints and the medical history. They listen to the lungs to detect the breathing sounds characteristic of inflammation. The specialist then orders additional tests, as examination alone does not always give a complete picture. Chest X-ray or computed tomography shows areas of inflammation in the lung tissue. A blood test helps assess the severity of the inflammatory process in the body. Sputum testing is carried out to identify a possible causative agent of the disease. Pulse oximetry allows assessment of blood oxygen saturation and detection of respiratory failure. Keep all results and discharge summaries so that the doctor can see the dynamics and assess the condition more accurately.

What is ordered and what it shows

What is ordered and what it shows
TestWhat it showsWhen it is ordered
Examination and listening to the lungsThe nature of breathing and soundsAt the first appointment
Chest X-rayAreas of inflammation in the lungsTo confirm the diagnosis
Computed tomography of the chestA detailed picture of the lung tissueWhen the picture is unclear
Blood testSigns of inflammation in the bodyTo assess the severity of the process
Sputum testingA possible causative agent of the diseaseTo clarify the cause

What is worth preparing for the appointment

  • Discharge summaries: take previous doctors' reports so that the specialist can see how the condition developed and what has already been prescribed.
  • Images: bring previous X-rays or discs with tomography, if such tests have already been carried out before.
  • Tests: prepare the results of previous blood and sputum tests, they help compare indicators over time.
  • Complaints: write down when the symptoms appeared and how they changed, so that nothing is forgotten at the appointment.
  • Questions: formulate in advance what you want to clarify with the doctor, this way the conversation will be calmer and more useful.

Which doctor should I see?

In pneumonia, care is provided by a pulmonologist, as well as a physician and a paediatrician. Below — who to see, what happens at the appointment and what treatment consists of.

Which specialist manages this condition

Pneumonia is a condition managed by a pulmonologist, and in their absence, care is provided by a physician for adults and a paediatrician for children. The pulmonologist manages cases where the nature of the inflammation in the lungs needs to be clarified and therapy selected taking into account the causative agent. The physician sees adults and, if necessary, refers to a more specialised specialist. The paediatrician examines children, in whom the course of the disease has its own characteristics. If there is no specialised doctor nearby, start with a physician or paediatrician: they will assess the condition and determine the further route. At the first appointment, the doctor listens to the complaints, examines the patient and assesses the severity of the condition. They also decide whether treatment at home is possible or hospitalisation is required. Do not postpone the visit if the condition worsens — this affects the choice of place of treatment.

What treatment consists of

  • Selection of therapy by the doctor: the specialist determines the direction of care taking into account the severity of the condition and the suspected causative agent, and not according to a template.
  • Bed rest and plenty of fluids: rest and a sufficient amount of liquid support the body's strength during the period when it is especially hard for it.
  • Monitoring of the condition and follow-up examinations: the doctor tracks how the well-being changes and, if necessary, adjusts the chosen direction of care.
  • Oxygen support if necessary: it is used when breathing is difficult and the body lacks oxygen, which is noticeable from the patient's condition.
  • Physiotherapy and breathing exercises at the recovery stage: they help restore full breathing after the acute phase is behind.
  • Surgery for complications according to indications: surgical intervention is considered in certain cases when conservative care does not solve the problem.

What depends on the patient themselves

Pneumonia is a condition in which part of the result depends on how regularly the person follows the doctor's instructions and monitors themselves. If care is interrupted at the first improvements, the inflammation may return and the course of the disease will become more severe. Record changes in well-being: when the temperature rises, how breathing changes, whether weakness appears. These observations help the doctor at the follow-up examination to see the whole picture and adjust care in time. Do not skip the scheduled examinations, even if it seems that it has become easier. If the condition worsens — increased shortness of breath, chest pain, confusion — report this immediately, without waiting for the planned visit. Following the drinking regime and rest also remains on the patient's side. Regular monitoring is what you control yourself, and this directly affects the outcome.

What helps prevent an exacerbation?

Everyday care of the airways and strengthening the body's defences help prevent an exacerbation of pneumonia. Below are the habits, observations and monitoring timescales that reduce the risk of repeated inflammation.

What to change in your habits

Giving up smoking noticeably reduces the strain on the airways and lowers the risk of repeated inflammation of the lungs. Tobacco smoke damages the cilia that clear mucus and microbes from the bronchi, so the clearing of the airways slows down. Hand hygiene protects against infections that are transmitted through touching the face and shared objects. Vaccination on a doctor's recommendation helps the body prepare in advance for encountering pathogens. Chronic diseases of the lungs and heart require ongoing treatment, otherwise they weaken the respiratory system. Avoiding getting too cold and contact with sick people reduces the likelihood of catching a respiratory infection. It is important to treat colds in good time, without carrying on working through them, so that the inflammation does not spread lower down. It is worth discussing with a doctor which of these measures suit you specifically, taking into account your state of health.

What to keep under control

  • Frequency of colds: repeated episodes of colds indicate a weakened immune system and require a doctor's attention.
  • Cough: a lingering cough after a cold can be a sign that the inflammation has not resolved.
  • Breathing: breathlessness on usual exertion and a feeling of air shortage deserve a separate conversation with a specialist.
  • Chronic diseases: keeping the heart and lungs under control reduces the likelihood that they will weaken the defence of the airways.
  • Vaccination: discussing vaccinations with a doctor in good time helps prepare the body in advance for seasonal infections.
  • Observation diary: notes about how you feel help the doctor notice unfavourable changes before they become pronounced.

How often to see a doctor

A regular check-up with a doctor is needed even when you feel well and nothing is troubling you. After pneumonia, the respiratory system recovers gradually, and outward wellbeing does not always reflect this process. The doctor assesses breathing, listens to the lungs and compares observations with the notes about how you feel. If you have chronic diseases of the lungs or heart, monitoring becomes especially important, since they affect the course of the inflammation. If a lingering cough, breathlessness or repeated colds appear, the visit should not be postponed. Routine check-ups make it possible to notice changes before they lead to an exacerbation. It is worth asking the doctor about a convenient schedule of monitoring and sticking to it without missing appointments.

What is worth remembering

Pneumonia remains a condition in which delay noticeably worsens a person's situation, and the decision about help cannot be postponed until "it goes away on its own". Below is what is useful to keep in mind when it comes to such inflammation of the lungs.

Key takeaways

Pneumonia does not always begin with a clear picture, so weakness and a temperature without a runny nose require a doctor's attention, not waiting. Inflammation of the lungs is dangerous not by the fact itself, but by how quickly it changes a person's breathing and general condition. Shortness of breath, chest pain on inhalation and confusion are the signs in which help is needed urgently, without attempts to sort it out on one's own. An examination and a chest X-ray give the doctor a basis for a decision, so refusing the investigation deprives them of the necessary information. Pneumonia in the elderly and in people with long-term illnesses proceeds more quietly, and relatives should be especially attentive to changes in behaviour. Recovery after pneumonia proceeds gradually, and a return to usual activities should not outpace how one feels. If a person doubts whether to go to the doctor, it is more sensible to choose a visit: pneumonia is not a condition where observation from the sidelines replaces an examination.

Portal Editorial TeamMedical editorial team

Covers what does not belong to a single specialty: how an appointment works, what to bring with you, how to read a referral. Every text is reviewed by a relevant doctor before publication.

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Questions and answers

Answered by the article’s medical editor.

Can you get pneumonia if you haven't been outside in the cold?

Yes, getting cold is only one of the factors, not a necessary condition. Pneumonia is caused by microbes that enter the respiratory tract through airborne droplets or by touching the face. So you can get ill at home too, especially if someone nearby is coughing or unwell. A weakened immune system and mucus pooling due to inactivity also increase the risk.

How can you tell that a child has something more serious than just a cold?

Usually parents notice that the child has become lethargic, refuses food and drink, and breathes with difficulty. Breathing becomes faster even at rest, the spaces between the ribs are drawn in, and the skin becomes pale. The little one may be fussy or, on the contrary, too sleepy. With such signs, a doctor's examination is needed without delay, especially in young children.

In elderly relatives the illness passes unnoticed — what should you look out for?

In the elderly, pneumonia often runs its course without a high temperature and a pronounced cough. You should be alarmed if the person has become confused, sleepy, refuses food, complains of weakness, or has suddenly lost interest in usual activities. Sometimes the only sign is faster breathing or shortness of breath when talking. Such changes in behaviour require a medical examination.

Is pneumonia during pregnancy dangerous for the unborn child?

Yes, pregnancy increases the risk of a severe course, so help is needed under a doctor's supervision. Pneumonia in an expectant mother can worsen the supply of oxygen to the fetus if treatment is not started in time. Shortness of breath and weakness during pregnancy are sometimes put down to the normal condition, but with a cough and fever an examination is needed. Such a patient is managed by a physician together with an obstetrician-gynaecologist.

What complications occur after pneumonia?

Complications are possible, but they do not develop in everyone. More common are a prolonged course, lasting weakness and a residual cough. In more severe cases the inflammation affects the pleura, fluid appears around the lung, or an area of tissue consolidation forms. Respiratory failure is the most formidable consequence, so if shortness of breath worsens, help is needed urgently.

Can you work and play sports during the illness?

No, rest is needed during the acute period. Work and physical exertion make the body spend the energy that is needed to fight the inflammation and can worsen the condition. A return to usual activity is gradual, guided by how you feel and the doctor's recommendations. It is better to postpone sports until breathing has fully recovered.

Is a repeat scan needed after treatment?

Usually yes, a follow-up scan helps make sure the inflammation has gone. It is not scheduled immediately, but some time after the end of the acute period, so that the lung tissue has time to recover. This is especially important for smokers, the elderly and people with chronic diseases. The exact timing is determined by the doctor according to the patient's condition.

Is pneumonia transmitted from person to person?

The diagnosis itself is not contagious, but the pathogens that cause it can be transmitted. The microbes spread through airborne droplets when coughing and sneezing, as well as through hands and objects. Therefore, when caring for a sick person it is important to wash your hands and air the room. A person with a weakened immune system risks becoming ill after such contact.

When should you call an ambulance for pneumonia rather than go to a doctor?

Immediately, if pronounced shortness of breath at rest, blueness of the lips or confusion appears. These signs indicate a lack of oxygen and require help on the spot. An ambulance is also called urgently if the condition suddenly worsens and there is chest pain that makes it hard to breathe. In other cases, you first see a physician or a pulmonologist.

How long should you be followed up by a doctor after recovery?

Usually follow-up continues for several weeks after the acute period, but the period depends on the severity and general condition. The doctor assesses breathing, listens to the lungs and checks the results of follow-up tests. People with chronic lung and heart diseases need follow-up for longer. If the cough or shortness of breath persists, the visit is not postponed.