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Dog FAQ

Last updated 8 October 2026 · By the SnoutsWise team

Quick answers to the questions dog owners ask most, drawn from veterinary and welfare sources such as the Merck Veterinary Manual, AAHA, AVSAB, AVMA, the ASPCA and the RSPCA.

Each answer links to a fuller page with the sources.

Frequently asked questions

What is a normal temperature for a dog?

The Merck Veterinary Manual gives an average body temperature of 101 to 102.5°F (38.3 to 39.2°C) for dogs. See normal vital signs.

How fast should a dog breathe at rest?

About 18 to 34 breaths per minute at rest, according to the Merck Veterinary Manual. Count chest movements for 30 seconds while your dog is relaxed and double it.

Which foods are toxic to dogs?

The ASPCA's list includes chocolate, coffee and caffeine, grapes and raisins, onions, garlic and chives, macadamia nuts, xylitol, alcohol and raw yeast dough. Check any food in our Can dogs eat this? table.

How much chocolate is dangerous for a dog?

It depends on the type of chocolate and the dog's weight. The Merck Veterinary Manual says mild signs can appear at about 20 mg of methylxanthines per kg of body weight, heart effects at 40 to 50 mg/kg and seizures at 60 mg/kg or more. Use our chocolate estimator and call your vet.

How often do dogs need vaccines?

Under the AAHA guidelines, after the puppy series and a booster within a year, the distemper, adenovirus and parvovirus combination is boosted every 3 years, leptospirosis yearly, and rabies as local law requires. Full explanation.

When should I start socializing my puppy?

Straight away. The AVSAB calls the first three months the primary socialization window and says puppy classes can start at 7 to 8 weeks once the puppy has had a first set of vaccines at least 7 days earlier and a first deworming. How to do it safely.

Is dominance or alpha training a good idea?

No. Veterinary behaviorists at the AVSAB advise against dominance based and aversive methods, and wolf research shows wild packs are families rather than groups fighting for alpha status. What the research says.

How do I know if my dog is overweight?

Use a body condition score: at an ideal weight you can feel the ribs without excess fat and see a waist from above. Step by step guide.

How old is my dog in human years?

By the 2020 epigenetic clock formula, human age is about 16 × ln(dog age) + 31, so a 1 year old dog is about 31 and a 10 year old about 68. Try the dog age calculator.

How often should I brush my dog's teeth?

The AVMA says daily brushing is best, but several times a week can be effective, alongside a dental check by your vet at least once a year.

Does my dog legally need a microchip?

In the UK, yes: all dogs must be microchipped and registered by 8 weeks old, and must wear a collar and tag with the owner's name and address in public. Other countries have their own rules.

What should I do if my dog has heatstroke?

Cool first, transport second, says the RSPCA: stop activity, move to shade, pour water cooler than the dog over its body (not the head), fan it, then go to a vet in a cool car. Do not cover the dog with wet towels.

Sources

  1. Normal Physiological Values for Dogs, Merck Veterinary Manual
  2. People Foods to Avoid Feeding Your Pets, ASPCA Animal Poison Control
  3. Chocolate Toxicosis in Animals, Merck Veterinary Manual
  4. Recommendations for core and noncore canine vaccines, American Animal Hospital Association
  5. Position Statement on Puppy Socialization, American Veterinary Society of Animal Behavior
  6. Position Statement on Humane Dog Training (2021), American Veterinary Society of Animal Behavior
  7. Body Condition Score: Dog (chart), World Small Animal Veterinary Association
  8. Wang T, et al. (2020). Quantitative Translation of Dog-to-Human Aging by Conserved Remodeling of the DNA Methylome. Cell Systems 11:176 to 185, PubMed Central (open access)
  9. Pet dental care, American Veterinary Medical Association
  10. Get your dog or cat microchipped, GOV.UK
  11. Heatstroke in dogs, RSPCA

General education only, not veterinary advice. If you are worried about your dog, contact your vet; in an emergency, contact an emergency vet straight away.