It's not a normal reaction for a dog to stop eating for two days after being dewormed and if he's losing weight, he needs veterinary attention now. Please take him into a vet right away.
Do dogs lose appetite after deworming?
Right after deworming your dog may have little to no appetite. This is a normal side effect of the medication and shouldn't be worrisome. However, you should still try to make sure your pup is eating or attempting to eat.
Can worming tablets put dogs off their food?
Most commonly used worming medications would not be expected to cause a loss of appetite. An exception could be if the pet had a very high number of roundworms which were killed by the medication and are now trying to pass through the intestines.
What to expect after deworming a dog?
After deworming your puppy, expect that your puppy to poop worms. This is because the deworming medication paralyzes the worms, which then pass from the intestines into the feces. You should expect your dog to experience some diarrhea after deworming.
What not to eat after deworming?
So, try to stay away from carbs like rice, bread, pasta, and sugary fruits like grapes and mango. You may also discuss this with your doctor. Coffee, meat and dairy can create an acidic environment, which is again loved by parasites. Some may find it easy to give up on Meat and dairy, but coffee can be no-go.
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