My dog eats a lot but is losing weight. Why is he so thin?

Question

My dog is eating a lot, as much as his brother and sister but he is losing weight or just not gaining weight and he is smaller than them. What could be wrong with him? Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | unneutered | 10 lbs

Kevin Sanada, DVM · Accepted Answer

He definitely looks very thin. The biggest concern with a dog that eats well, but doesn't gain weight is that he has a disease or heavy parasite burden. There are some inherited diseases like liver shunts that can cause them to be unthrifty like this and there are some acquired infections like Babesiosis that can also cause them to look like this. The only way to know is to have him evaluated by a veterinarian. I recommend taking him soon, because he doesn't look like he has much left to lose. It's also good to bring a stool sample to the vet, so they can check for worms. I hope that helps and Wekko gets better soon.

My dog eats a lot but is losing weight. Why is he so thin?

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