Keep your dog indoors during the day and take him outside early in the morning or in the early evening, when the air is cleaner and the dog will not have difficulties breathing. (vetinfo.com)
This is a condition in which your dog has difficulty breathing while he's asleep. (happytailsspa-blog.com)
Call your doctor if your baby has difficulty breathing while crying or also has a fever, vomiting, or diarrhea. (babycenter.com)