• What are the indications for evaluating a patient with cough for pertussis? 

    Brown, Maureen O'Reilly; St. Anna, Leilani (Family Physicians Inquiries Network, 2005-01)
    Pertussis should be considered in infants with apnea or severe coughing illnesses of any duration, and in older children or adults with prolonged cough (eg, longer than 2 weeks), especially if accompanied by inspiratory ...