What to know about whooping cough in adults
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Whooping cough symptoms tend to be less severe in adults than in children. Unvaccinated infants have the highest risk of developing severe symptoms and complications from whooping cough.
In this article, we discuss the symptoms and complications of whooping cough in adults and the treatment options.
Symptoms in adults
Whooping cough can affect adults and it is often less severe than in children.
Adults tend to experience less severe symptoms of whooping cough compared with children. The reason for this is that adults have built up immunity from previous infections and vaccinations.
Bacteria called Bordetella pertussiscause whooping cough. These bacteria spread through the air when someone who is infected coughs or sneezes. Symptoms usually develop 5 to 10 days after exposure, but some people might not develop symptoms for several weeks.
Whooping cough develops in three stages:
Stage 1: People are highly contagious in the early stages of the disease. At first, whooping cough causes mild cold-like symptoms that last for 1 to 2 weeks, such as:
Stage 2: After some time, people can develop a severe, persistent cough that leaves them gasping for air. The classic "whooping" sound occurs when people inhale sharply to catch their breath after a coughing fit.
People are still contagious at this point, and stage 2 symptoms may last anywhere from 1 to 6 weeks.
Stage 3: In the final phase, the cough gradually improves, and coughing fits occur less often. At this point, people are no longer contagious, but they run the risk of developing other infections, which can slow down the recovery process.
Diagnosis
A doctor can diagnose whooping cough by looking at a person's medical history and current symptoms.
Doctors might sometimes misdiagnose whooping cough as a common cold or another respiratory infection because whooping cough in adults does not typically cause severe symptoms.
If an adult is experiencing a persistent cough, the doctor may recommend further medical tests to diagnose the problem. These tests might include a nasopharyngeal swab, which involves a doctor collecting a sample of mucus through the nose to analyze for B. pertussis bacteria.
Complications
Whooping cough can make it difficult to sleep.
Adults can develop secondary complications from whooping cough. Violent coughing fits can cause fainting or fractured ribs.
Other potential complications of whooping cough in adults include:
- difficulty falling asleep or staying asleep, called insomnia
- difficulty breathing while sleeping, called sleep apnea
- unintentional weight loss
- pneumonia
- eye infections
Treatment
Treatment depends on the duration of the illness and the severity of its symptoms. Whooping cough treatment usually involves antibiotictherapy.
Early antibiotic treatment may reduce symptom severity, speed up recovery time, and prevent people from transmitting the bacteria. A healthcare professional might prescribe antibiotics for other members of the household as well.
According to the Centers for Disease Control and Prevention (CDC), antibacterial treatments are most effective during the first 2–3 weeks of infection or before coughing fits begin. However, people rarely receive treatment early enough to experience these benefits.
Home remedies for whooping cough include:
- staying hydrated
- resting
- using a mist vaporizer
- practicing proper hand hygiene
- eating frequent small meals rather than three large meals to avoid vomiting
- avoiding coughing triggers, such as smoke, strong chemicals, and allergens
Whooping cough does not respond to traditional cough medication. The American Lung Association advise against treating whooping cough with cough medications.
Recovering from whooping cough can take several weeks, and a cough can continue to linger for many months.
Risk factors
Whooping cough is highly contagious, and whooping cough vaccinations wear off as people get older.
Adults who have not received the whooping cough booster vaccine Tdap (tetanus-diphtheria-acellular pertussis) have a higher risk of contracting whooping cough.
Other factors that increase a person's risk of getting whooping cough include:
- being in close contact with someone who has whooping cough
- having a weakened immune system
- being pregnant
Prevention
Whooping cough vaccines are available for both children and adults.
Adults can protect themselves and their children from whooping cough by having vaccines against the disease.
There are two types of whooping cough vaccine:
- DTaP for infants and young children
- Tdap for adolescents and adults
Both vaccines protect against tetanus, diphtheria, and whooping cough.
The Department of Health and Human Services recommend that infants and children receive doses of the DTaP vaccine at the following ages:
- 2 months
- 4 months
- 6 months
- 15–18 months
- 4–6 years
The initial round of DTaP vaccines wears off over time, so people should get the Tdap booster vaccination to maintain immunity.
The CDC recommend the following Tdap vaccination schedule for everyone:
- One booster vaccine between the ages of 11 and 12 years.
- One dose of Tdap for adults who have never received the vaccine.
- One Tdap vaccine during the third trimester of every pregnancy.
In general, these vaccines are safe for most people. However, whooping cough vaccines can cause temporary side effects in some people, such as:
- soreness or swelling near the injection site
- fatigue
- nausea
- diarrhea
- vomiting
- loss of appetite
- fever
- a headache
- body aches
Takeaway
Whooping cough, or pertussis, is a highly contagious bacterial infection that affects the respiratory tract.
Although whooping cough usually produces milder symptoms in adults, it can cause severe illness in infants and young children.
There are two forms of vaccine that protect against whooping cough. The DTaP vaccine protects infants and young children, but it wears off over time. Adolescents and adults can get a booster vaccine called Tdap.
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