Pertussis is a bacterial infection. It is also called whooping cough. The bacteria invade the lining of the respiratory tract and may block your airways.
Pertussis is highly contagious, and in some cases, serious. Antibiotics are used to treat pertussis.
Upper Respiratory Tract
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Pertussis is caused by specific bacteria. It is spread by: Inhaling droplets from the sneeze or cough of a person infected with pertussisHaving direct contact with the mucus of a person infected with pertussis
Factors that may increase your chances of getting pertussis include:
immunizedLiving in the same house or working in close contact with someone infected with pertussis
Symptoms usually begin within a week or 2 after exposure.
Initial symptoms last about 1-2 weeks. They may include: Runny nose and congestionSneezingMild feverMild coughWatery, red eyes
The second stage of pertussis is called the paroxysmal stage. This stage usually lasts 1-6 weeks, but can last much longer. Symptoms may include: Severe coughingLong episodes of coughing that start suddenly and may end with a forceful inhale or whoop sound (the sound does not occur in all people)In severe cases, coughing may cause a person to have trouble breathing or turn blue from lack of oxygenCoughing episodes may result in vomiting
During the final stage, the cough gradually gets better over 2-3 weeks. Episodes of coughing can still occur during this stage.
Complications in infants and young children may include: PneumoniaSeizuresPeriods of no breathing
inguinal herniasRarely, damage to the brainRarely, death
Complications in teens and adults can include weight loss and inability to control urine. Rarely, fainting or rib fractures can occur from severe coughing.
You will be asked about your symptoms and medical history. A physical exam will be done.
Your body fluids may be tested. This can be done with: Nasal cultureThroat cultureBlood tests
Treatment may include:
Pertussis is treated with antibiotics, which keeps the infection from spreading. They are most effective when started in the early stages. They will usually not improve the symptoms or otherwise affect the illness.
Antibiotics or cough medications do not prevent coughing. The following steps may help control symptoms and prevent complications: Get plenty of rest.Use a cool mist vaporizer to loosen mucus and soothe the respiratory tract.Avoid irritants that trigger coughing, such as smoke or aerosol sprays.Drink plenty of fluids.
This may be necessary for those who develop severe infections. Patients are usually isolated to prevent spreading the disease to other people.
The best way to prevent pertussis is immunization. All children (with few exceptions) should receive the DTaP
series. This protects against
Another vaccine called Tdap is routinely given to children aged 11-12 after they have completed the DTaP series of shots. There are also catch-up schedules for children and adults who have not been fully vaccinated.
Pregnant women should have a dose of Tdap during every pregnancy to protect newborns from pertussis.
People in close contact with someone infected with pertussis may be advised to take preventive antibiotics, even if they've been vaccinated. This is especially important in households with members at high risk for severe disease, such as children under 1 year of age or people with weak immune systems.
Immunization schedules. Centers for Disease Control and Prevention website. Available at:
http://www.cdc.gov/vaccines/schedules/index.html. Updated January 31, 2014. Accessed January 22, 2015.
Pertussis. PEMSoft at EBSCO DynaMed website. Available at:
http://www.ebscohost.com/dynamed. Accessed January 22, 2015.
Pertussis (whooping cough). Centers for Disease Control and Prevention website. Available at:
http://www.cdc.gov/pertussis. Updated December 1, 2014. Accessed January 22, 2015.
Tdap vaccine. What you need to know Centers for Disease control and Prevention website. Available at:
http://www.cdc.gov/vaccines/hcp/vis/vis-statements/tdap.pdf. Updated May 9, 2013. Accessed January 22, 2015.
Last reviewed February 2016 by David L Horn, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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