How to Read Pertussis Test Results

Written by Li Jian Wu
Pulmonology
Updated on February 20, 2025
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The test for whooping cough is to see if there are any pathogens in the body. If it is confirmed that there is Bordetella pertussis, it can be determined that this disease causes spasmodic coughing, which might be prolonged and recurrent. It may also lead to fever, breathing difficulties, cyanosis of the lips, and signs of hypoxia, requiring symptomatic treatment first. At the same time, selecting macrolide antibiotics to kill the Bordetella pertussis, maintaining a good mental attitude, and ensuring that the room temperature and humidity are kept at appropriate levels are important. Attention should also be paid to the disinfection of the air. Additionally, as it is a communicable disease, isolation treatment is recommended to prevent cross-infection. It is important to adjust your mental attitude, follow the course of medication, and have regular check-ups.

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Written by Li Jian Wu
Pulmonology
41sec home-news-image

Whooping cough is caused by what?

Whooping cough is a type of contagious disease, caused by infection with the Bordetella pertussis or Corynebacterium diphtheriae that causes respiratory infection symptoms. Its characteristics include paroxysmal, hormone-like coughing, commonly seen in clinical paediatrics. It presents specific cough sounds, such as a bark-like cough or a crowing sound during inhalation. If similar symptoms are observed, sputum culture or other diagnostic tests such as chest X-rays and routine blood tests can be performed. Once diagnosed, it is crucial to promptly select macrolide antibiotics to eliminate the pathogens.

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Written by Li Jian Wu
Pulmonology
51sec home-news-image

How to Read Pertussis Test Results

The test for whooping cough is to see if there are any pathogens in the body. If it is confirmed that there is Bordetella pertussis, it can be determined that this disease causes spasmodic coughing, which might be prolonged and recurrent. It may also lead to fever, breathing difficulties, cyanosis of the lips, and signs of hypoxia, requiring symptomatic treatment first. At the same time, selecting macrolide antibiotics to kill the Bordetella pertussis, maintaining a good mental attitude, and ensuring that the room temperature and humidity are kept at appropriate levels are important. Attention should also be paid to the disinfection of the air. Additionally, as it is a communicable disease, isolation treatment is recommended to prevent cross-infection. It is important to adjust your mental attitude, follow the course of medication, and have regular check-ups.

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Written by Wu Ben Rong
Pediatrics
43sec home-news-image

Can you still get infected with whooping cough after recovery?

If whooping cough has been cured, generally, it won’t infect a person again. However, clinically, a small number of patients might get infected again due to weak immunity, though such cases are relatively rare. Whooping cough is caused by an infection with Bordetella pertussis and is an acute respiratory infectious disease. The source of infection in whooping cough is the patient themselves, and the disease can spread through airborne droplets. Most people who contract this disease will develop corresponding antibodies, so generally, they will not get infected again after recovery. However, some patients with weak constitutions and low immunity might not develop sufficient antibodies after the initial infection, which can potentially lead to a reinfection.

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Written by Zeng Hai Jiang
Pediatrics
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How to determine whether it is the paroxysmal stage or the recovery stage of pertussis?

After the incubation period, typical whooping cough goes through three clinical stages. The first stage is the catarrhal stage, also called the pre-paroxysmal stage, during which the infectivity is the strongest. If treated promptly during this stage, the progress of the disease can be controlled. If the catarrhal stage is not effectively controlled, it then enters the paroxysmal stage. During the paroxysmal stage, the patient will experience episodic spasmodic coughing, with more severe episodes at night. During spasms, there will be neck vein distension, swollen and congested eyelids and face, and cyanosis of the lips. This stage can last up to two months. After the paroxysmal stage follows the convalescent stage, where the episodic spasmodic coughing gradually decreases and becomes less severe.

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Written by Li Jian Wu
Pulmonology
41sec home-news-image

What is whooping cough?

Pertussis, also known as whooping cough, is a highly contagious respiratory tract infection. It primarily infects infants under the age of five, leading to distinctive coughing fits that are paroxysmal and may also include a barking cough or a crowing sound during inhalation. Some may also experience redness of the face and ears, runny nose, teary eyes, abdominal pain, nausea, and vomiting as complications. Upon observing these typical symptoms, it is advised to visit a hospital for appropriate diagnostic tests and timely symptomatic treatment, along with maintaining adequate hydration and keeping the indoor temperature comfortable.