Dog owners frequently face questions about vaccination schedules and protocols for their pets. Whole Dog Journal executive editor Kate O'Connor consulted with veterinarian Eileen Fatcheric to address common concerns dog owners raise about immunizations.

The article addresses three main vaccination topics: which shots dogs actually need, how often dogs require vaccination, and how to handle situations where a dog experienced a negative reaction to a previous vaccine.

The piece distinguishes between core shots and other vaccines. Core vaccines represent essential immunizations that veterinarians recommend for all dogs. Beyond core vaccines, additional shots may be recommended based on individual dog risk factors and lifestyle.

Booster shots maintain immunity over time. The frequency of boosters depends on which vaccines a dog receives and the dog's specific circumstances. Veterinarians determine appropriate booster schedules during routine wellness examinations.

Titer testing measures antibody levels in a dog's blood to determine whether immunity from previous vaccinations remains adequate. This test can help owners and veterinarians make informed decisions about whether additional boosters are necessary for individual dogs.

Dogs that experienced adverse reactions to previous vaccines present a particular challenge. Veterinarians work with owners to evaluate the severity of past reactions and determine the safest vaccination approach going forward. Some dogs may tolerate certain vaccines better than others, or spacing out vaccinations may reduce reaction risk.

The consultation with veterinarian Fatcheric provides guidance on navigating these vaccination decisions. Dog owners can use this information to have informed conversations with their veterinarians about which vaccines their individual dogs need, appropriate timing for boosters, and alternatives like titer testing when standard vaccination schedules raise concerns.