Teddy's shortness of breath may be caused by heatstroke, diaphragmatic hernia, canine distemper, etc. If the dog does not return to normal for a long time, it is best to send it to the pet hospital for examination immediately to avoid delaying the condition and causing Danger to life. Generally, when dogs suddenly experience this kind of situation in summer, they are more likely to suffer from heat stroke, so attention should be paid to helping the dog escape the heat and cool down to prevent the dog from suffering from heat stroke.