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My 45-day-old puppy has diarrhea and is skinny. Is his food bad?

Updated On September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Male | 9.503 lbs

My puppy is 45 days old . Im feeding him human cerlac . His poop is light yellowish and liquid .but doesnt stink . He faced diarrhea 3 days back. He poops like water pumped out from syringe with out needle.. he is active not weak .plays very well. But became somewhat skinny ,not too much but to some extend. Is it good or bad for my SIMBA(his name

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2 Answers

Most Helpful Answer

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on July 17th, 2017

Human Cerelac is not an appropriate diet for a growing puppy. He should be fed a puppy milk replacer such as Esbilac or Pet-Lac. The diarrhea may be due to the diet or intestinal parasites (worms). Simba should be examined by a veterinarian. If left untreated, the diarrhea can lead to dehydration which is dangerous in puppies. Submit a stool sample to diagnose intestinal parasites or bacterial overgrowth. Consider a veterinary probiotic to promote gut health. You could also mix in a bit of plain yogurt if a probiotic is not available.

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    Answered By Lauren Kennedy, DVM

    Veterinarian

    Published on

    This puppy needs to be on a puppy milk replacer, not a human one. He also probably needs to be dewormed. These are two reasons your puppy is underweight. You should be able to get puppy milk replacer at your local pet store or co-op. Also, at this age, your puppy should be old enough to start eating puppy chow. You may need to moisten it with warm water first since heat have trouble chewing. We also recommend at 6 weeks of age to bring your puppy in for his first check up and possibly vaccines. You can further discuss his diet with your vet at this appointment.

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