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My puppy has a lump and is sore after puppy shots. What helps?

Updated on September 23rd, 2025

Pet's info: Dog | Chihuahua | Male | unneutered | 2 months and 14 days old | 3.2 lbs

I have a small 3.2 lb chihuahua who received his puppy 2 vaccines today. He has a lump the size of a large gumball and cries when he is touched or moved What can I do for pain and swelling?

3 Answers

Most Helpful Answer

Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on March 31st, 2019

Poor Rocky. A lump at the vaccination site, as well as some soreness and tiredness, are normal after getting a vaccine. If Rocky will let you, you can try holding a warm compress (such as a washcloth soaked in warm water and then wrung out) against the sore area for a few minutes 1-2 times daily until he seems to be feeling better. Usually, most pups are back to normal within a few days :)

1Pet Parents found this answer helpful

Related Answers from Veterinarians

Answered By Dr. Melanie, BVSc MS
Veterinarian
Published on March 12th, 2017
It can be normal for puppies to be a little more painful after their vaccines, and Chihuahuas tend to be a more nervous breed and a little more sensitive after having vaccines. He should return to normal in a day or two, but if he does still appear painful after 48 hours, I would have him seen by a vet.
2Pet Parents found this answer helpful
Answered By Jennifer Summerfield, DVM CPDT-KA
Veterinarian, Certified Dog Trainer
Published on December 27th, 2016
Poor Vito! Yes, this could certainly be related to the vaccination yesterday - it's very common for puppies to be sore for a day or two in the area where the vaccine was given, just like kids :) If he received the vaccine in his rear end, this could certainly be the reason for the soreness. If so, it should resolve within the next 24-48 hours. If it doesn't, or if he develops any other symptoms, it would be best to have him rechecked by your vet in case something else might be wrong.
1Pet Parents found this answer helpful

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My puppy's arm is sore after shots. Why is he crying and how to help?

Buster is probably just sore at the injection sites. This can be normal in young, small puppies. The soreness will probably pass in the next 24 hours. In the meantime you can try icing the area and see if that helps. If he is still sore after a day or so you may want to call your veterinarian and see if you can pick up some pain medication to help him be more comfortable. I hope this helps. Thanks for using Petco Pet Education Center, formerly Petcoach. Best of luck.

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My dog has a soft lump after a vaccine shot. Is it normal or serious?

That is a very common occurrence after vaccination. The vaccine can cause a localized reaction and it should resolve on its own within a month. If it persists, seems larger, or bothers him that have your vet take a look at it.

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My dog is sore and in pain after his shots. How can I help him?

Sometimes vccinations (any injection, for that matter) can be a bit sore for a day or two. If Nano is very painful, take a few ice cubes, put them in a plastic bag, wrap a towel around the bag and cool the injection site for 5 minutes, then stop. Do this a couple of times today (3-4 times) and the pain and potential swelling should be gone by tonight oor at the latest tomorrow morning.

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If the lump is getting bigger it may be worth taking her back to the vet to make sure that it's not infected. A tumor isn't impossible but fairly rare for a young puppy and more likely to be a vaccine reaction if that's where he gave it. Make sure the vet is fully aware as they may want to give her a Premedication before her next vaccines. You can try doing a warm compress on the lump to see if that may decrease some swelling. A warm washcloth every 6-8 hours for 5-10 minutes. I hope Moana is better soon.

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My dog has a hard lump where he got his vaccine. Is it normal?

Hi there! I'm sorry to hear about Bruce's lump. Vaccinations can definitely leave behind a small bump at times. If this happens after I vaccinate a dog, I will have the client bring their pet in so I can examine the spot, make sure that it coincides with where I gave the vaccine for sure. If it is something new rather than a lump from the vaccine, it can be addressed accordingly. As long as it is just from the vaccine, then we monitor the spot over the course of a few weeks. If it is a localized inflammatory response to the vaccine, it usually will go away over time. If it persists, some clients will opt to have me remove the tiny lump and test it to make sure it just comes back as an inflammatory response and not something serious. I would definitely call your veterinarian and have Bruce get a quick examination to make sure all is well, and you will likely just monitor the lump going forward. I hope you find this answer helpful. Best of luck!

Updated on September 23rd, 2025

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