Not any more than a regular vaccine injection. The chip is inserted at the back of the pet’s neck, where the skin is loose. Microchipping is a safe and effective way to identify your pet in case he or she becomes lost. It is very important as well that you register your pet with the associated data bank that the chip is linked to. We have chip readers that can read a number of different chips, provided they are recorded to your pet they have proven to be very helpful in re-uniting pet with their owners!