Pertussis: Complications of the disease
Complications of pertussis are rare since the use of vaccination.
The most common complications are otitis media. Nervous complications in type convulsions and encephalitis are rare. However, it is possible to describe mechanical accidents related to coughing. It is primarily incontinence, vomiting, bleeding in conjunctival and nasal bleeding (nosebleed epistaxis). Another bleeding is also possible (cerebral meningitis) but much rarer. Sometimes patients have umbilical hernias, prolapse, emphysema (air in the tissues) or interstitial pneumothorax.
Pulmonary complications are suffering from respiratory infant who sometimes accompanied with a hydro-alveolate difficulty breathing and increase breathing rate, which may progress to asphyxiation. Bronchopneumonia by superinfection is also possible but uncommon. The aftermath of bronchiectasis and emphysema residuals are also rare the bronchus atelectasis as well.
Infant's phlegm could cause breathing difficulties sometimes serious; this is why pertussis is especially dangerous under six months and in the elderly. In contrast in children over two years and adult disease is less severe.
Deaths from pertussis are rare in industrialized countries.
Infectious nature of this disease should not be confused with adenovirus infections, Haemophilu's influenza, chlamydia.
Evolution of the disease
Pertussis lasts 8 to 10 weeks and usually precedes a period during which the patient has a cough and sometimes isolated tic pertussis.
Sometimes infants, pertussis is complicated by exhaustion or not associated with dehydration (fluid loss from the body) of a secondary infection of the lungs by bacteria other than pertussis accompanied by asphyxia.
Finally, in the most serious cases have been observed encephalitis (inflammation of the brain).
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