狗和貓嘔吐：原因、類型以及何時需要擔心
Vomiting is a common sign of many conditions — from minor stomach upset to life-threatening emergencies. Learn what's normal and when to call the vet.
呕吐是胃内容物通过口腔强力喷出。虽然偶尔胃部不适是正常的，但持续或严重呕吐可能预示着严重的潜在问题。了解呕吐和反流之间的区别，识别何时出现紧急情况，以及了解如何在家处理，可以帮助您为您的宠物做出正确的决定。
要点
- Vomiting is active and forceful — it's different from passive regurgitation
- Acute vomiting (sudden onset) is most often caused by dietary indiscretion
- Puppies and kittens with vomiting need urgent veterinary attention
- Blood in vomit, repeated vomiting, or vomiting with lethargy is an emergency
- Withholding food for 12-24 hours can help settle the stomach (adults only)
- Chronic vomiting lasting more than 48 hours requires veterinary investigation
Vomiting vs. Regurgitation
Vomiting is an active process involving nausea, retching, heaving, and forceful abdominal contractions. The material expelled is digested or partially digested food mixed with bile (yellow fluid). Regurgitation is passive — food comes up without warning, no retching involved, and the material is undigested. Regurgitation suggests an esophageal problem, while vomiting points to issues in the stomach, intestines, or other organs. Knowing the difference helps your vet diagnose the cause faster.
Common Causes of Vomiting
The most common cause of acute vomiting is dietary indiscretion — eating too fast, eating garbage, switching food too quickly, or ingesting something they shouldn't. Other causes include: gastroenteritis (stomach and intestinal inflammation), pancreatitis, kidney or liver disease, intestinal parasites, viral infections (like parvovirus in unvaccinated puppies), motion sickness, food allergies, heat stroke, and ingestion of toxic substances. In older pets, chronic vomiting may point to metabolic diseases like kidney failure or hyperthyroidism (in cats).
Home Care for Mild Vomiting
If your adult pet vomits once or twice but is otherwise alert and acting normal: withhold food for 12 hours (never withhold water). After 12 hours, offer a small amount of a bland diet — boiled chicken breast (no skin, no seasoning) and white rice in a 1:2 ratio. Feed small meals every 2-3 hours. If your pet keeps it down for 24 hours, gradually transition back to regular food over 2-3 days. For cats, never withhold food for more than 12-24 hours as they can develop hepatic lipidosis (fatty liver disease).
When Vomiting Is Dangerous
Certain types of vomiting are always emergencies: vomiting blood (bright red or looks like coffee grounds), projectile vomiting, vomiting with simultaneous diarrhea, vomiting in a puppy or kitten (they dehydrate in hours), repeated vomiting that prevents keeping water down, known or suspected ingestion of a toxin (chocolate, raisins, xylitol, plants), or vomiting accompanied by a bloated, painful abdomen (could indicate bloat/GDV which is fatal without surgery).
何时立即去看兽医
- Your pet is vomiting repeatedly and cannot keep water down
- There is blood in the vomit (red or dark like coffee grounds)
- Your puppy or kitten is vomiting — they dehydrate very quickly
- Vomiting is accompanied by lethargy, weakness, or collapse
- Your pet has a swollen, painful, or hard abdomen
- 您懷疑您的寵物吃了有毒的東西
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