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What Vaccinations Does My Kitten Need?

CatNormal
Quick Answer

Kittens need core vaccines starting at 6-8 weeks: FVRCP (feline distemper combo) every 3-4 weeks until 16 weeks, plus rabies at 12-16 weeks. FeLV (feline leukemia) vaccine is recommended for all kittens. Boosters are given at 1 year, then every 1-3 years depending on the vaccine.

What You Need to Know

Kitten vaccinations protect against several serious and potentially fatal diseases. The series involves multiple doses because maternal antibodies (from nursing) interfere with vaccine effectiveness at unpredictable times — giving multiple doses ensures protection kicks in as maternal antibodies wane.

Core vaccines (recommended for ALL kittens):

  • FVRCP (Feline Viral Rhinotracheitis, Calicivirus, Panleukopenia) — the "distemper combo." Given at 6-8 weeks, then every 3-4 weeks until 16 weeks of age (usually 3-4 doses total). Protects against feline herpesvirus (upper respiratory), calicivirus (upper respiratory and oral ulcers), and panleukopenia (feline parvovirus — often fatal in kittens).
  • Rabies — given as a single dose at 12-16 weeks. Required by law in most jurisdictions. Boosted at 1 year, then every 1-3 years depending on vaccine type and local law.

Strongly recommended:

  • FeLV (Feline Leukemia Virus) — recommended for all kittens regardless of planned lifestyle, as you can't predict if a cat will ever slip outside or be exposed. Two doses, 3-4 weeks apart, starting at 8-9 weeks. Whether to continue FeLV vaccination in adulthood depends on risk (indoor-only vs. outdoor access).

Optional (based on risk):

  • FIV (Feline Immunodeficiency Virus) — for cats at high risk of bite wounds (outdoor males who fight).
  • Chlamydophila — for cats in high-density environments (catteries, shelters).
  • Bordetella — for cats in boarding or shelter situations.

Typical schedule: 6-8 weeks: FVRCP #1, FeLV #1 10-12 weeks: FVRCP #2, FeLV #2 14-16 weeks: FVRCP #3, Rabies 1 year: FVRCP booster, Rabies booster, FeLV booster (if at risk) Then: FVRCP every 3 years, Rabies per local law, FeLV annually if at risk.

Common Causes

    Breed Variations

    All breeds need the same core vaccinations. Some purebred cats from catteries may have been started on vaccines earlier. FeLV vaccination is especially important for cats that will have outdoor access or contact with other cats of unknown status.

    When to Worry

    Mild lethargy and reduced appetite for 24-48 hours after vaccination is normal. See a vet immediately if your kitten develops facial swelling, hives, difficulty breathing, persistent vomiting, or collapse after a vaccine — these indicate an allergic reaction.

    When NOT to Worry

    Mild soreness at the injection site and slightly reduced energy for a day or two after vaccination is completely normal and expected.

    Home Care Tips

    Keep your kitten indoors and away from unvaccinated cats until the vaccination series is complete. After each vaccine appointment, let the kitten rest — don't schedule stressful activities. Monitor the injection site for any lumps that persist beyond 3 weeks (rare but worth mentioning to your vet).

    When to See a Vet

    If symptoms persist for more than 24–48 hours, worsen, or are accompanied by lethargy, loss of appetite, or pain, see your vet promptly.

    When in doubt, call your vet. A quick phone consultation can help you decide if an in-person visit is needed.

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