[header] How to cure the 100 day cough (adults) holistically [title] Make an appointment with your doctor. [step] During the first 2 weeks of pertussis you will likely think you have a cold or the flu. Therefore it can be hard to determine if you should see your doctor at this point. 
However, if you know for a fact that you've been in contact with someone else who has been diagnosed with pertussis, see a doctor immediately when symptoms begin. Otherwise the timing of a doctor's appointment will need to be based on how you feel.