Main
- Delayed response: rheumatic fever develops days or weeks after a sore throat, when the person already considers themselves recovered.
- Age at risk: school-age children are affected more often, roughly from five to fifteen years; in adults it is recognised later.
- Signs: pain and swelling of the large joints, fever, ring-shaped rash, nodules under the skin, involuntary muscle movements.
- Doctors: the condition is managed by a rheumatologist; if the heart is involved, a cardiologist is brought in; in their absence, one can start with a general practitioner.
- Danger: the heart valves are damaged unnoticed, so for chest pain or irregular heartbeat an ambulance is called.
What is rheumatic fever
Rheumatic fever is an inflammatory reaction of the body that sometimes occurs after tonsillitis or another throat infection caused by streptococci. It can affect the joints, heart, skin and nervous system, so it is important to see a doctor in time.
What happens in the body
Rheumatic fever is triggered when the body's defences, fighting the streptococcus in the throat, begin to react to its own tissues as well. The protein structures of the pathogen resemble certain human proteins, and the immune cells stop distinguishing between foreign and own. Because of this, the inflammation spreads beyond the throat and affects other organs. Most often the joints are affected: they swell, hurt and lose mobility. The heart may also suffer, and its valves are damaged unnoticed by the person themselves. The skin sometimes responds with a rash or subcutaneous nodules, and the nervous system with involuntary muscle twitching. This course explains why, after a seemingly ordinary tonsillitis, a person needs an examination by a doctor rather than waiting.
What causes it to develop
- A previous tonsillitis or scarlet fever: it is these throat infections that most often precede the reaction, and their trace in the body triggers the inflammation.
- A throat infection caused by group A streptococci: the specific pathogen determines the risk, because not every sore throat gives such a complication.
- Failure to see a doctor in time for a sore throat and fever: the later a specialist examines the person, the longer the infection remains unattended.
- Repeated streptococcal throat infections: each new encounter with the pathogen increases the burden on the immune system and raises the likelihood of a reaction.
Who faces this more often
Rheumatic fever is more common in school-age children and young people, although it cannot be completely ruled out in adults. The greatest susceptibility is noted from about five to fifteen years, when children spend a lot of time in groups. Crowding in schools, kindergartens and dormitories makes it easier for the streptococcus to pass from person to person. Living conditions also matter: where people see a doctor late and are used to carrying on with a sore throat on their feet, the risk of complications is higher. The frequency with which a child suffers from tonsillitis also plays a role: repeated episodes accumulate the burden on the body. Adults fall ill less often, but in them the condition is often recognised later, because they no longer remember the tonsillitis they had in childhood. Parents should pay close attention to a child's complaints of a sore throat and not postpone a visit to a specialist.
What symptoms can occur?
Rheumatic fever manifests days or weeks after a sore throat, and its signs are easily mistaken for ordinary tiredness or a cold. Below we look at how to recognise the onset, which symptoms occur most often and in which cases help is needed immediately.
How it is noticed at the very beginning
Rheumatic fever makes itself known not immediately after a throat infection, but several days or weeks later, when the person already considers themselves recovered. First of all, pain and swelling appear in the large joints, and often move from one joint to another. At the same time, body temperature rises, which is easily put down to a lingering cold or overwork. Many explain this state as ordinary tiredness after an illness and pay no attention to either stiffness or weakness. Added to this are unusual involuntary movements of the muscles of the face or hands, which the person themselves does not always notice. Sometimes a ring-shaped rash or small firm nodules under the skin appear. The symptoms may pass on their own, but this does not mean that the condition is safe. If joint pain or fever has appeared after a recent sore throat, do not put off a visit to a rheumatologist.
Signs that occur most often
- Pain and swelling in the large joints: inflammation affects the knees, elbows or wrists and often moves from one joint to another, which makes movement difficult.
- Raised body temperature: the fever persists without obvious signs of a cold and is poorly explained by other causes, so it cannot be left without attention.
- Chest pain or irregularities in the heart's work: such sensations indicate involvement of the heart and require medical assessment in the near future.
- Unusual involuntary movements of the muscles of the face or hands: they arise against the person's will and are noticeable from the outside, which helps to distinguish them from ordinary nervousness.
- Ring-shaped rash on the skin: pale rings with a distinct edge appear on the trunk and limbs and serve as one of the supporting signs.
- Small firm nodules under the skin: painless formations can be felt over bony prominences and indicate activity of the process.
When to seek help urgently
Examinations and tests
Examination for suspected rheumatic fever is based on history-taking, physical examination and additional methods. Below is a breakdown of what exactly is prescribed and what information each investigation provides.
How the examination begins
The examination begins with questions about recent throat infections and an examination of the joints, skin and heart. The doctor clarifies how long ago the complaints appeared, whether there was tonsillitis or pharyngitis and how they progressed. Examination of the joints helps to notice swelling and tenderness on movement, and of the skin — characteristic changes. Listening to the heart is needed to detect a new murmur or a change in heart sounds. Then, to confirm the diagnosis, laboratory and instrumental investigations are prescribed. Blood tests can reveal signs of inflammation and traces of a recent streptococcal infection. Electrocardiography assesses the work of the heart, and echocardiography — the condition of the valves and heart muscle. The patient is then referred for examination by a rheumatologist and a cardiologist, who compare all the data obtained. Keep the results of the first investigations: they make it easier to track changes in the future.
What is prescribed and what it shows
What is worth preparing for the appointment
- Discharge summaries about recent throat infections: they show when and how tonsillitis or pharyngitis progressed, which helps to link the complaints to a streptococcal infection.
- Previous blood tests: they show the dynamics of the signs of inflammation, so it is easier for the doctor to assess how the values changed over time.
- Electrocardiography results: they reflect the work of the heart at different periods, which is important for comparison with the current cardiogram.
- Echocardiography reports: they describe the condition of the valves and heart muscle, which helps to notice changes that have appeared.
- Notes about the complaints: note down when joint pain, skin changes and heart palpitations appeared, so that nothing is forgotten at the appointment.
- A list of questions for the doctor: formulate in advance what you do not understand in the results and further steps, so the conversation will be more meaningful.
Which doctor should I see?
This section explains which doctor to consult for rheumatic fever, what happens at the first appointment and what areas of care it involves.
Which specialist manages this condition
Rheumatic fever falls within the remit of a rheumatologist, and when the heart is involved a cardiologist is brought in. The rheumatologist assesses the joints, skin and general inflammation, while the cardiologist monitors the function of the valves and heart muscle. If there is no rheumatologist nearby, you can start with a cardiologist or a general physician who will refer you further. At the first appointment the doctor asks about a previous sore throat, takes a medical history and examines the joints. Then they listen to the heart, check the pulse and arrange the necessary tests to clarify the picture. Next, the specialist decides whether hospitalisation or outpatient monitoring is required. It is important that the same doctor provides the follow-up: this way they can see the dynamics and adjust the approach in time.
What treatment consists of
- Selection of therapy by the doctor: the specialist determines the scope of care taking into account the condition of the heart and joints, and selects it individually.
- Follow-up with a rheumatologist and cardiologist: regular examinations by both specialists make it possible to notice changes and adjust care in good time.
- Bed rest in the acute period: rest reduces the load on the heart and joints while active inflammation persists.
- Physiotherapy and rehabilitation: after the inflammation subsides, procedures help restore joint mobility and strengthen the heart muscle.
- Surgery when indicated: in severe damage to the heart valves, surgical intervention restores normal blood flow.
What depends on the patient themselves
The regularity of follow-up with a rheumatologist and cardiologist largely determines how long a stable condition will be maintained. If a person attends examinations according to the schedule set, the doctor notices changes in the heart and joints in time. Missed visits mean that an exacerbation is detected later, when valve damage is already pronounced. The patient should note down when weakness, joint pain or irregularities in the heart's function appeared. These notes help the doctor assess the dynamics more accurately and understand what has changed since the last appointment. It is also important to report previous sore throats and any new complaints, even if they seem insignificant. An open conversation with the doctor and careful adherence to their recommendations achieve more than occasional visits prompted by alarm.
What helps prevent an exacerbation?
Whether rheumatic fever flares up largely depends on how a person behaves in everyday life and how attentively they treat their health. Below are habits, monitoring of indicators and regular visits to the doctor.
What is changed in habits
Everyday habits directly affect how rheumatic fever progresses and how often repeated episodes occur. Timely seeking medical help for a sore throat and fever allows streptococcal infection to be recognised in time and prevented from developing. Fully following the prescribed treatment for a throat infection reduces the likelihood that the inflammation will cause a complication in the heart or joints. Regular follow-up with a rheumatologist or cardiologist after an episode helps notice changes earlier than they become noticeable. Following the doctor's recommendations for preventing repeated infections reduces the burden on the body during periods of seasonal colds. Refusing self-treatment for tonsillitis and sore throat is not overcaution, but a way to avoid triggering the disease again. If a person carries on with a throat infection on their feet, the risk of a flare-up increases noticeably, so it is important to give oneself time to recover.
What should be kept under control
- Condition of the throat: any pain, redness or difficulty swallowing requires the doctor's attention, rather than waiting for it to pass on its own.
- Body temperature: its rise against the background of a cold serves as a signal at which one should see a specialist, rather than postpone the visit.
- Well-being after exertion: breathlessness, fatigue or discomfort in the chest during usual activities deserve a separate conversation with the doctor.
- Condition of the joints: their soreness or swelling after a throat infection should be monitored and reported at the appointment.
- Regularity of follow-up: planned visits to a rheumatologist or cardiologist help adjust the prevention of repeated episodes in time.
How often to see the doctor
Regular monitoring by a rheumatologist or cardiologist is needed even when a person feels well and nothing is troubling them. After an episode of rheumatic fever, the doctor may recommend long-term prevention of repeated episodes, and following it requires periodic examinations. At the appointment the specialist assesses the condition of the heart and joints, clarifies well-being and, if necessary, changes recommendations for preventing repeated infections. If a person misses planned visits, changes may remain unnoticed until pronounced complaints appear, and this complicates care. Timely seeking medical help for a sore throat and fever is also part of this monitoring, because each new infection is an additional burden. Fully following the prescribed treatment for a throat infection reduces the risk that the disease will return in a more severe form. A reasonable approach is not to wait for deterioration, but to adhere to the follow-up schedule agreed with the specialist.
What is worth remembering
Rheumatic fever is a condition in which it is important not to miss the onset and not to confuse it with an ordinary cold. The discussion of it should be concluded with a few conclusions that will help make the right decision.
Main conclusions
Rheumatic fever develops as a delayed response of the body to a past throat infection, so its appearance does not always coincide in time with the moment when the person felt unwell. Parents and adults should remember that tonsillitis or pharyngitis suffered "on one's feet" increases the likelihood of such a response. Rheumatic fever itself manifests not only as a sore throat, but also as signs from the joints, heart, skin and nervous system, which may appear separately. Because of this, the condition is easily mistaken for another disease and time is lost when help is especially important. Rheumatic fever is dangerous primarily because of its consequences for the heart, and not because of the acute period as such. Therefore, with any suspicion of it, one should not wait for the signs to pass on their own. It is more reasonable to discuss the condition with a doctor as early as possible and not to postpone the examination.
