04-17-2016, 02:28 PM
Join Date: Mar 2016
Location: Vancouver, BC
Mentioned: 32 Post(s)
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Originally Posted by Gnostic Dog
This kind of reaction is caused by the aluminum hydroxide (salts) which is used as an adjuvant in vaccines (an adjuvant causes an immune response). Lumps at the injection site is a common side-effect in human vaccines too. Basically, it is an immune response at the injection site to the aluminum. In the future, I would be very cautious about your dog receiving vaccines that use aluminum in them and would ask your vet to check the ingredients list and go with a different brand if necessary.
Oh wow thank you for this information! I had no idea! I will def check with them when she gets her boosters at 1year of age. Thank you!