Why Is My Puppy Not Eating After Deworming?


Deworming your puppy is one of the most important things you can do to keep him or her healthy, and it’s something that you will have to do periodically.

However, some people are worried about their puppy after deworming because their puppy does not want to eat anything for a period of time (1-2 days).

In this guide, we will take a look at why this might happen, and what you can do about it.

The Most Common Reason Puppies Don’t Eat After Deworming Is Because They’re Feeling Sick.

Why Is My Puppy Not Eating After Deworming?

It’s important to know the most common reason why puppies don’t eat after deworming is because they’re feeling sick, and if your puppy falls into this category, you’ll need to take them to the vet.

Symptoms of being sick include lethargy, vomiting, diarrhea, and loss of appetite. If your puppy is exhibiting any of these symptoms or hasn’t eaten for more than a day after deworming, it’s time to go to the vet.

While a trip to the vet will cost some money, it will likely save on future medical costs in case there is something more serious going on. Also, if your puppy has worms left over that are resistant to medication, then leaving them untreated can result in death by infection.

However, if your pup ate normally before the deworming and they’re experiencing an upset stomach afterward, there are two things you can do.

The first is to offer food with lower fat content such as rice or boiled potatoes, which should be easily digestible. You should also give smaller portions of food so your pup doesn’t feel full too quickly and not want to eat anymore.

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Another Possible Reason Puppies Don’t Eat After Deworming Is Because They Don’t Like The Taste of The Medication.

Your puppy may not be eating because they don’t like the taste of the medication. To combat this, try adding a little bit of wet food to the food and see if that changes anything.

You can also try using different types of flavored medications and experiment until you find one that your dog enjoys. If none of these things work, take your pet to a vet.

The vet will be able to help you get to the bottom of their problem so your puppy can start feeling better again soon! Puppies are known for being picky eaters, but there are some ways you can make sure they’re getting what they need.

Add a little wet food to the dry kibble and see if it makes any difference in how much your pup eats.
If that doesn’t work, try changing out the flavor of the dewormer or taking them in for a vet visit to figure out what’s going on with them.

Some Puppies May Be Allergic to The Medication Used for Deworming.

Why Is My Puppy Not Eating After Deworming?

If your pup is not eating after deworming, there are a few reasons it may be happening. First, they might be allergic to the medication used for deworming.

We recommend you give your pup Benadryl or diphenhydramine to help combat the side effects of the medication. If this doesn’t work, you can consult with your veterinarian about an alternative treatment such as ivermectin or moxidectin.

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You should also make sure that your pup is getting plenty of water and if he/she continues to refuse food you should contact your vet. In some cases, a puppy may be just feeling poorly and needs more rest than usual.

It’s always best to err on the side of caution when it comes to our furry friends! They rely on us to keep them healthy and happy so we want to do everything in our power to provide them with the best care possible.

If Your Puppy Has Been Vomiting or has Diarrhea After Deworming, He May Not Feel Like Eating.

It is common for a pup to not want to eat when he has been vomiting or had diarrhea after deworming. This can be caused by the medication or from the dehydration from not eating. If your puppy has vomited, you should wait until he has stopped vomiting before trying to feed him again.

You also need to make sure that he is drinking plenty of fluids. If your pup continues to have diarrhea and refuses food then you need to get in touch with your veterinarian because this could be a sign of something more serious.

For mild cases of worms, you will likely see some improvement within two days. In severe cases, it may take weeks or months before improvements are seen.

For mild cases of worms where there is little damage done to the intestinal tract, most puppies will recover within 2-3 days without any treatment; but if worms have caused significant damage to the intestinal tract, it may take weeks or months for improvement.

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If Your Puppy is Acting Lethargic After Deworming, He May Not Have The Energy to Eat.

Why Is My Puppy Not Eating After Deworming?

If your puppy acts lethargic or unresponsive after deworming, don’t worry! This is a common response and is not an indication of illness. Your puppy may be feeling so sick from the worms in his system that he doesn’t have the energy to eat.

It’s important that you continue to offer him food, but don’t force feed him if he isn’t interested. If he’s not eating on his own in three days, give him a vet visit.

You can also try a few different types of food and see what your pup likes best. If he still won’t eat for two days, bring him into the vet for some fluids to get his system back up and running again.


It is important to be patient and give your puppy time to recover from the deworming medication. If the dog does not start eating after 12 hours, contact your veterinarian for assistance.

Make sure that you are providing a high-quality diet that contains all of the nutrients needed by a puppy. Do not overfeed your pet as this will make them sicker.

You should also make sure that there is fresh water available at all times for hydration purposes.

Your vet may recommend adding some coconut oil or olive oil to their diet as these provide energy and can help with digestion.


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