Why does my dog throw up yellow bile at night on an empty stomach?

Question

My 1 year old lab cross has been throwing up mucus and frothy bile 2-3 nights in a row between 2-5am. This happens at least once a month and he shows no signs of not feeling well before or after he gets sick. No panting, pacing, whining or drooling. He's asleep one minute and the next he throws up. He only eats his own food - no people food or junk. I really don't have any idea why this keeps happening. He got a clean bill of health at his yearly 2 weeks ago. Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | neutered | 1 year and 5 months old | 55 lbs

Dr. Strydom, DVM · Accepted Answer

My best guess is that Ares has bilious vomiting syndrome. Bilious vomiting syndrome occurs when bile abnormally enters the stomach from the intestine, causing irritation and vomiting. The presence of bile is indicated by a watery, yellow-green substance in the vomit contents. If vomiting does not occur and the bile remains in the stomach, the irritation to the stomach can lead to gastric reflux. Vomiting is usually seen in the morning or late night, especially in dogs that are fed once daily. This might be due to prolonged periods between meals, or to related stomach inactivity, which aggravates the bile reflux. I would recommend two things: 1. Feed him a small amount of food just before food so his stomach doesn't stay empty for so many hours. Also, feeding multiple small meals throughout the day works better than feeding just once or twice a day. 2. Give him some Pepicd once a day for the next two weeks - 10mg (so 1/2 of a 20mg tablet). You can use the generic. https://www.walmart.com/ip/Equate-Acid-Reducer-100-ct/19794531 If doing this doesn't help then I would suggest you call your vet for some additional recommendations. He may need a medication to get his gastrointestinal tract to move more quickly. I hope this helps. Best wishes.

Why does my dog throw up yellow bile at night on an empty stomach?

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