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My 2-month-old Pom puppy is coughing, vomiting, and getting worse.

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | unneutered | 2 months and 7 days old | 3.3 lbs

Hello sir my dog is a pom, 2 and a half months old, he is facing coughing issues from past 3 days he does weird continuous cough every 2-3 mins like something is stuck in his throat and then vomits white or brown coloured liquid, my vet suggested citrizen tablet but that made it worse

1 Answer

Most Helpful Answer

Answered By Allison Newth, VMD

Veterinarian

Published on July 26th, 2017

Citirizine is an antihistamine that can be helpful if a dog has some allergies or even mild airway irritation. If Shero is coughing so much that he is bringing up phlegm and mucus I would start to worry about a respiratory infection that may need treatment with antibiotics. In these little tiny puppies I tend to treat more aggressively since their immune systems are not fully mature and they can't always fight off infections or other illnesses. I also worry that little sick dogs and cats can become hypoglycemic (low blood sugar) if they are not able to keep down their food. This can happen if a puppy is coughing and regurgitates his stomach contents a few too many times. I would get Shero back to a veterinarian since his signs are worsening. They may recommend bloodwork and possibly chest radiographs. I hope this helps!

1Pet Parents found this answer helpful

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