b2KIT

Pet Vaccination Scheduler

Track and schedule vaccinations, boosters, and vet appointments for dogs and cats.

Tested tool guide Tested browser tools Checked August 16, 2026

What Pet Vaccination Scheduler does and how it behaves

Pet vaccination runs on a clock, and most owners stop watching it too early. This tool keeps the clock for you: it holds your dog's or cat's vaccination record, works out when each booster and vet appointment falls due, and lists what comes next. The surprise is that the schedule never ends - after the puppy or kitten series and the one-year booster, core vaccines settle into longer intervals, most commonly every three years, so 'done with shots' is not a state a pet reaches. The dates it shows are estimates built from the record you enter; your vet and local rabies law remain the final authority.

How the result is produced

1

From record to timeline

Enter the pet's species, birth date, and doses already given, and the schedule builds forward. Puppy and kitten core vaccines are a series: a first dose commonly around 6 to 8 weeks, further doses every 3 to 4 weeks, and a final dose no earlier than 14 to 16 weeks, because maternal antibodies can neutralize earlier doses. The tool then shows what is due next.

2

Intervals and what 'due' means

Logging a dose restarts that vaccine's interval. The one-year booster falls about 12 months after the final puppy or kitten dose; after that, adult core vaccines re-boost on longer cycles, most commonly every three years. Rabies is separate: vaccines are labeled for 1-year or 3-year protection, but the interval that matters is the one local law requires, so plan around the recorded expiry date.

Good uses

  • A new puppy or kitten owner takes the breeder's or shelter's shot record, logs the doses already given, and sees which dose comes next and when.
  • An owner booking the annual wellness exam wants to know which boosters fall due around the same visit, so the pet makes one trip instead of two.
  • An owner who cannot recall whether the last rabies shot was the 1-year or 3-year product checks the record for when the vaccine lapses, then verifies the legal interval for their area.

Limits and checks

  • The schedule knows only what you log. A dose given at the clinic but never entered stays 'due' forever, and a wrong date entered once propagates into every later reminder. Keep the vaccination certificate in front of you when filling in the record.
  • Dates are estimates, not a prescription. Guidelines differ in detail between AAHA, WSAVA, and manufacturer labels, and rabies intervals are set by local law rather than any built-in schedule. A dose marked due is a prompt to ask the vet, not proof the pet is unprotected.
  • A dose logged before 14 to 16 weeks of age does not satisfy the final puppy or kitten dose, because maternal antibodies may have blocked it, so the timeline shows a later dose that can look redundant. That is the schedule working as intended, not a mistake.

Common questions

My cat never goes outside. Does it really need more FVRCP shots?

Yes, for the core part of the vaccine. Panleukopenia, calicivirus, and rhinotracheitis are classed as core for all cats, because the panleukopenia virus survives long in the environment and can be carried into a home on shoes or clothing. Adult boosters are not annual anymore: most guidelines put core revaccination at every three years. Rabies requirements, if any, follow local law.

I missed the booster date by months. Do I start the shots over?

No, not for core vaccines. Guidelines are explicit that an interrupted schedule does not require restarting the primary course, no matter how much time has passed: give the next dose as soon as practical, log it, and the timeline resumes. Rabies is the case to check, because local law may treat a lapse differently, possibly requiring a booster or a two-dose series. Confirm with the vet.

References and verification

The behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.

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