If a dog is bitten by bugs, it may cause diarrhea, lack of energy, loss of appetite, etc. The owner can use alcohol or pet anti-inflammatory drugs to help disinfect the dog, and wear an Elizabethan ring on the dog during the period to prevent the dog from licking To the phenomenon of drug poisoning. Deworm your dog regularly, and do not take your dog to play in woods or grass to avoid being infected with parasites.