If your dog has a hoarse voice, you can feed it some anti-inflammatory drugs and throat moisturizers, but you should take them under the guidance of a doctor and do not use them blindly. First, you need to confirm the cause. Generally, the causes of hoarseness in dogs include pharyngitis, laryngitis, cold complications, acute tracheitis, or rabies, so you need to observe whether the dog has any abnormalities. If other symptoms occur, it is best to take the dog to the pet hospital for examination and treatment immediately; if there are no other symptoms, you can feed the dog antibiotics, improve the dog's diet, and feed it some light food.