Dogs can drink human cough syrup, but it is best to choose children’s cough syrup because the dosages for dogs and children are relatively similar, and children’s cough syrup is safer and has fewer side effects. When you find a dog coughing, you should check the dog's physical condition promptly to see if there are any other complications. If it is caused by a cold, you can take anti-inflammatory and cough-relieving drugs. If it is not caused by a cold, it is best to go to the hospital for a check-up. good.