Group A Strep in Children: Symptoms and Treatment

Group A beta-hemolytic streptococcus, commonly known in Türkiye as the "beta bug" or simply Strep A, is a bacterial infection that strikes children with a sudden, severe sore throat, fever, and difficulty swallowing. Especially as schools open and the weather cools down in November, spending more time indoors paves the way for this bacteria to spread rapidly via respiratory droplets. Unlike viral infections, Strep A must be properly diagnosed and treated with antibiotics to prevent permanent damage to the heart and kidneys.

At a Glance

• Strep A is a highly contagious bacterial illness that causes inflammation in the throat and tonsils.
• It is most commonly seen in school-aged children between 5 and 15 years old; it is rare in children under 3.
• Key symptoms include a sudden high fever, severe sore throat, difficulty swallowing, and white patches on the tonsils.
• A runny nose, cough, and hoarseness are not typically seen with a Strep infection; these signs point more towards viral infections.
• For a definitive diagnosis, a rapid antigen test and a throat culture at the hospital are essential.
• If left untreated, it can lead to serious complications affecting the heart valves, such as acute rheumatic fever.

What is Group A Strep (Strep Throat) in Children?

Streptococcus pyogenes, widely known among Turkish parents as the "beta bug," is a type of bacteria that causes throat and skin infections in humans. It is the most common culprit behind bacterial pharyngitis (throat inflammation) seen in childhood, particularly during the winter months. In medical literature, the illness is also referred to as Strep A. The bacteria settle on the back wall of the throat and the tonsils, multiplying rapidly to cause tissue inflammation and swelling.

Although Strep A can affect any age group, it is most frequently seen in children between 5 and 15 years old due to their developing immune systems and close contact in social settings. In infants and children under three, a Strep infection is quite rare. The vast majority of throat infections in this younger age group are viral. Detecting the illness early is incredibly important, both to quickly improve your child's quality of life and to prevent the bacteria from spreading to other children.

Causes and Risk Factors

The primary reason for the spread of Strep A is direct or indirect contact with the respiratory secretions of infected individuals. Even though the bacteria cannot survive for long in outside environments, human-to-human transmission is extremely easy in crowded, enclosed spaces. Especially from November onwards, as the weather in Türkiye turns chilly, poorly ventilated classrooms and children mingling closely indoors during breaks act as the main triggers for outbreaks.

Environments like schools, daycares, study centres, and school buses are the primary risk areas where children come into close contact. Sharing the same toys, drinking from communal water flasks, or failing to cover the mouth when coughing increases the rate of transmission. If one child in the family becomes infected, the risk of it passing to siblings and parents is also quite high. If you would like to keep a close eye on your children's overall health during this period, you can also review our article titled Which Health Screenings Should be Done for Children During the Mid-Term Break?

What Are the Symptoms of Strep A?

When a child comes down with a throat infection, the hardest thing for parents is telling whether it is a viral cold or a bacterial Strep infection. Strep A symptoms usually start much more suddenly and progress more severely compared to viruses. Once the incubation period is complete, the illness can drastically worsen a child's general well-being within just a few hours.

The most typical symptoms include:

• A sudden, stubborn fever that can reach 39°C
• A severe sore throat that makes swallowing and eating feel nearly impossible
• Extremely red, swollen tonsils with white or yellow patches of pus (crypts)
• Tiny, red blood spots on the back of the roof of the mouth (petechiae)
• Swollen, tender lymph nodes in the neck
• Headache, nausea, vomiting, and stomach ache, especially in younger children

Symptoms like a runny nose, sneezing, red eyes, hoarseness, or a cough are not characteristic features of a Strep infection. If your child has a sore throat and fever accompanied by a heavy cough and runny nose, this usually points to viral culprits like an adenovirus or rhinovirus.

Transmission and Prevention Methods

Strep A primarily spreads through droplets. Microscopic droplets of saliva sprayed into the air when an infected child speaks, coughs, or sneezes enter the respiratory tracts of healthy children, starting the illness. The incubation period typically ranges from 2 to 5 days. Furthermore, touching door handles, desks, or toys contaminated with infected secretions and then bringing the hands to the mouth, nose, or eyes is another common way it spreads.

The most effective way to protect against it is to teach children proper hand-washing habits. Hands should be washed with soap and water for at least 20 seconds. Children should be taught not to share personal items, water bottles, forks, or spoons with their friends at school. Keeping sick children home from school for the first 24 hours after starting antibiotic treatment is a critical step in breaking the chain of an outbreak. For more information on the general course of respiratory infections during the winter months, you can take a look at our article Wheezing in Babies and Winter Infections.

Diagnosis: How is it Diagnosed at the Hospital?

When you bring your child to the hospital complaining of a sore throat and fever, the doctor will first perform a detailed physical examination. The appearance of the tonsils, any bleeding spots on the palate, and the condition of the lymph nodes in the neck are carefully checked. However, it is not possible to make a definitive Strep diagnosis based solely on a physical exam. Laboratory tests are needed for an accurate diagnosis.

The first step taken at the hospital is usually a "rapid antigen test" (rapid strep test). During this procedure, a swab is taken from the child's tonsils and the back wall of the throat using a special cotton swab. The rapid test provides results in about 15-20 minutes, and if it is positive, the diagnosis of a Strep A infection is confirmed. However, a negative rapid test does not mean the bacteria are definitely absent. For this reason, especially when clinical symptoms are strong, a "throat culture" is performed using the swab sample. The culture results take between 24 and 48 hours and remain the most definitive diagnostic method.

Strep A Treatment and Home Care

Because it is a bacterial illness, treating a Strep infection absolutely requires the use of antibiotics. The doctor will prescribe an antibiotic suited to the child's age, weight, and allergy profile. The most critical part of the treatment is completing the full course of the prescribed antibiotic, which is typically 10 days, without missing a dose. Between 24 and 48 hours after starting the medication, the child's fever will drop, and the sore throat will ease. However, stopping the antibiotic early just because the symptoms have disappeared will result in the bacteria not being fully cleared and the infection returning.

During home care, ensure the child drinks plenty of fluids. Solid foods might be refused due to the difficulty in swallowing; soft foods like warm soups, mashed potatoes, yoghurt, and applesauce should be preferred during this time. Very hot or very cold drinks, as well as acidic fruit juices, should be avoided. Pain relievers and fever-reducing syrups recommended by the doctor will help comfort the child. Additionally, replacing the child's toothbrush with a new one on the second day of antibiotic treatment is a helpful step to prevent the bacteria from reinfecting them.

Complications and Risk Groups

The most feared aspect of Strep A is not the infection itself, but the complications it can cause if left untreated or if treatment is stopped halfway. The body's immune system produces antibodies to destroy the bacteria. However, in some children, these antibodies can mistakenly attack the heart valves and joint tissues, which closely resemble the structure of the bacteria. This condition is known as "acute rheumatic fever" and can pave the way for permanent rheumatic valve disease in the heart.

Another serious complication is "post-streptococcal glomerulonephritis," a condition that affects the kidneys. This can appear weeks after the infection with symptoms like blood in the urine (cola-coloured urine), body swelling (oedema), and high blood pressure. Furthermore, the toxins secreted by the bacteria can cause "scarlet fever" in some children; this presents with a red rash that feels like sandpaper and a strawberry-like appearance on the tongue. The formation of an abscess around the tonsils (peritonsillar abscess) is another risk that requires immediate medical intervention.

When to See a Doctor

While a sore throat is a frequent complaint in children, certain symptoms indicate that the infection is serious and requires a medical evaluation without delay. If you notice your child has a severe sore throat lasting more than 48 hours, a fever exceeding 39°C that cannot be brought down, visible swelling in the neck, or darkening of their urine, you must see a doctor.

If any of the following emergency signs develop, you should go to the nearest emergency room or call 112 without losing time:

• The child has noticeable difficulty breathing or is breathing rapidly
• Inability to swallow their own saliva due to severe swallowing difficulty, leading to constant drooling
• High-pitched whistling or wheezing sounds (stridor) heard when breathing in
• The child is so lethargic or exhausted that they cannot be woken up, or is experiencing confusion
• Signs of severe fluid loss (dehydration), such as crying without tears, a dry mouth, and not passing urine for a long time

The Process at BHT CLINIC

When you visit our hospital with complaints of a sore throat and high fever, your process is meticulously managed by our experienced doctors in the Paediatrics department. After listening to your child's medical history and performing a physical examination, rapid antigen testing and throat culture procedures are swiftly carried out in our laboratory. Thanks to our advanced laboratory infrastructure, your test results are ready as quickly as possible, allowing for the immediate creation of your treatment plan.

In cases of sudden fever and severe sore throat that develop outside of regular working hours, our 24/7 emergency department offers uninterrupted medical support. Bringing your child's current vaccination card, a list of medications they have used previously, and any allergy information with you to the hospital will help our doctors create the most accurate treatment plan. To book an appointment and consult with our expert team, you can reach us via our website or call centre.

Frequently Asked Questions

Does Strep A go away on its own?

No, because Strep A is a bacterial infection, it does not go away on its own. To completely clear it from the body and ensure it leaves no permanent damage to the heart or kidneys, antibiotic treatment must be administered under a doctor's supervision.

Can my child go to school while they have a Strep infection?

Your child is highly contagious for the first 24 hours after starting antibiotic treatment. For this reason, they should not be sent to school on the first day of treatment; they should rest at home until their fever has completely broken and their general condition has improved.

Can Strep A be transmitted to adults?

Yes, Strep A can also be transmitted to adults. Parents caring for a sick child are at particularly high risk due to close contact. During this time, it is highly recommended to pay strict attention to household hygiene, hand washing, and wearing a mask.

What is the difference between Strep A and a cold?

A cold usually presents with a runny nose, sneezing, a cough, and a mild fever. In a Strep A infection, a cough and runny nose are not expected; instead, the picture is dominated by a sudden high fever, an incredibly severe sore throat, and difficulty swallowing.

Does getting a throat culture hurt the child?

Taking a swab for a throat culture or rapid test is not a painful procedure. When the cotton swab touches the back of the throat, it may trigger a mild gag reflex for just a few seconds; the procedure is extremely quick and safe.

This article is for informational purposes only; please consult your doctor for diagnosis and treatment.