A four-year-old child has been coughing for over two months, with both traditional Chinese and Western medicine treatments ineffective. Suspected to have whooping cough or allergic asthma, it is recommended to check for whooping cough antibodies and undergo allergen testing.

Whooping cough syndrome is a condition with symptoms very similar to whooping cough. The pathogenesis of whooping cough syndrome is not yet fully understood, but it is believed to be associated with adenovirus infection. The use of vitamin K1 in the treatment of whooping cough syndrome has been proven to be effective.