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Infectious · Cats & dogs

Puppy and kitten first-year health checkpoints

Young pets can decline fast. Vaccines, deworming, parasite prevention, growth, appetite, stool, breathing, and socialization all need structured tracking.

Compiled by Petwell · Source content version 2.0.0
Source project update: 2026-05-13

Puppy and kitten first-year health checkpoints

Educational pet-health and visit-preparation reference. Not a diagnosis, prescription, dosage recommendation or substitute for a veterinarian.

Care & observations

  • Book early wellness visits and keep a simple calendar for vaccines, deworming, parasite prevention, weight checks, and diet changes.
  • Use safe, gradual socialization that avoids high-risk exposure until the veterinarian confirms the protection plan.
  • Puppy- or kitten-proof the home: remove cords, small objects, toxic plants, human medications, cleaning products, and unsafe foods.

Seek veterinary care now

  • Refusing food, repeated vomiting, diarrhea with blood, severe lethargy, trouble breathing, pale gums, collapse, seizure, or suspected toxin or foreign body ingestion.
  • Very young puppies or kittens that are weak, cold, not nursing, crying continuously, or separated from the mother and not feeding well.

Contact your veterinarian soon

  • Missed vaccines, unclear vaccine history, parasites, poor growth, chronic soft stool, cough, skin problems, or behavior concerns.
  • Before daycare, boarding, grooming, dog parks, travel, or introducing a young pet to unfamiliar animals.

What to avoid

  • Do not give adult pet medication, human medication, leftover antibiotics, or supplements to a young pet without veterinary direction.
  • Do not delay care for vomiting or diarrhea in very young pets; dehydration and low blood sugar can develop quickly.

MAKE YOUR OBSERVATIONS USEFUL

Bring a clear timeline to your vet

For the changes covered in this guide, note when they started, how often they happen, whether they are worsening and how they differ from your pet’s usual routine. List recent diet changes, medicines, travel or possible ingestion in time order. Add photos or a short video only when it is safe and will not delay care.

Open local health records

Sources & editorial context

Migrated from the Pet Vet Reference project with its bilingual content preserved. Cited organizations provide background resources and do not endorse this site. Source-based compilation is not individual clinical review; this page does not claim veterinarian sign-off.

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