Dogs vomiting brown liquid on an empty stomach may be vomiting blood, which is usually caused by gastrointestinal diseases or accidental ingestion of foreign bodies. First, the dog should be given no food or water to avoid irritating the gastrointestinal tract, and then observe whether the dog has other symptoms. , if you have poor energy, frequent vomiting, etc., it is best to send it to the pet hospital for examination and treatment immediately to avoid delaying the condition.
Tips:
Usually pay attention to the dog's diet and health, do not feed random food, and take the dog for vaccinations on time.