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Why is my kitten limping and lethargic after her booster shots?

Updated On September 23rd, 2025

Pet's info: Cat | Manx | Female | unspayed | 3 months and 13 days old | 3 lbs

My 3 month old kitten got her boosters shots and is now limping on her back right leg. Her shots were given s/q near the shoulder blades.She does seems a bit lethargic but I think its from her leg.

2 Answers

Most Helpful Answer

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Answered By Ana M, DVM

Veterinarian

Published on September 13th, 2019

Thank you for submitting your question regarding Peaches. It is unusual for her to limping on a rear limb if the vaccines were given between the should blades. I recommend contacting her veterinarian today to ask if the lameness is is associated with her vaccines. For example, the feline leukemia vaccines is typically given in the left rear limb. If so, they may prescribe pain medication for her. If not, then she should be examined again as she may have a new problem. In the meantime, keep her quiet and do not give any over-the-counter pain medications as these can be toxic to cats. I hope this information helps!

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Other Answers

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    Answered By Sara Farmer, DVM

    Veterinarian

    Published on October 3rd, 2017

    I think it's unlikely that Turk's limping and lethargy is related to the vaccines given the time frame. Vaccines can cause soreness at the injection site that could lead to limping, and can also cause lethargy but usually the symptoms are both noticed 24 hours after the vaccine. I would recommend having Turk examined by your veterinarian - they can look for bone and joint abnormalities or potentially a wound that is causing lethargy and pain, and prescribe pain medication if needed.

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