Use the Portable Oxygen Kit when you notice your pet having any signs of respiratory distress.  Signs of respiratory distress include: Coughing Vomiting, retching, or gagging Excessive panting Excessive anxiety, pacing, being unable to settle “Belly breathing”, where the pet is involving their diaphragm muscles to breathe Cyanotic episodes, where the pets tongue or gums turn blue or purple Loud breathing, “honking noise”, or wheezing Excessively fast or slow breathing (normal respiratory rate for pets is between 15-30 breaths per minute) Collapse Open mouth breathing (in cats, as it is not normal for cats to pant) If you notice your pet is in respiratory distress, please use the Portable Oxygen Kit to provide treatment to your pet and make immediate plans to get to your veterinary office or local veterinary emergency center.