Once he or she recovers from the acute illness there should be no long term consequences.
If a baby gets bronchiolitis
at a young age (say 3 months or so) they may be at higher risk for asthma
later on. But there are plenty of other factors that will also determine whether one develops asthma (family history, allergies
etc.). With bronchiolitis coughing can last 2 weeks (or even 4 weeks).