Asking AI about your cat's health: how to do it well (and when to call the vet)

It's late, your cat seems off, and the vet is closed. More and more people in that moment open an AI chat. That can be genuinely useful, as long as you know what AI is good for, and what it must never replace.

How people use AI for pet health

The Anthropic Economic Index shows how people use the AI assistant Claude, based on anonymised, aggregated conversations. When conversations match the vet's task of advising animal owners about care, feeding, medical conditions or treatment:

• about 49% are a back-and-forth "feedback loop": describing symptoms, answering follow-up questions, adding details;
• about 32% are about learning: understanding a condition, a diagnosis or what's normal.

For questions about a pet's health after an operation, more than half (53%) are about learning. In other words, most people aren't asking AI to replace the vet. They want to understand what's going on.

What AI is genuinely good for

• Understanding what the vet said: explaining a diagnosis, a test result, or medical words in plain language.
• Preparing for the appointment: making a list of symptoms, a timeline, and questions to ask.
• Learning what's normal: how much cats sleep, how often they groom, what a normal litter box looks like.
• Following a treatment plan: reminders, tracking symptoms, knowing what to watch for.
• Deciding how urgent it is, as long as you treat any doubt as a reason to call your vet.

How to describe symptoms (so the answer is useful)

Vague question, vague answer. "My cat is being weird" won't get you far. Instead, give specifics:

• Who: age, sex, neutered or not, indoor or outdoor, known conditions, current medicines.
• What changed: eating, drinking, litter box (more, less, straining, blood), vomiting, diarrhoea, breathing, energy, hiding, grooming, weight.
• Since when, and how often: "since yesterday morning", "three times today".
• What might have caused it: new food, a new plant or flowers at home, a fall, contact with other cats, anything chewed or swallowed.
• A short video: coughing, breathing, walking or unusual behaviour is often easier to show than to describe. It will also help your vet.

Example: "My 11-year-old neutered male cat hasn't eaten since yesterday morning, is hiding under the bed, and has been to the litter box four times today with only a few drops of urine."

(That example, by the way, is an emergency: see below.)

Red flags: skip the chat, go to the vet

Some signs can't wait for a conversation. Contact a vet or 24-hour emergency clinic straight away if your cat:

• breathes with the mouth open, or the chest heaves with every breath (see asthma in cats)
• is a male cat straining to pee with little or no urine (see litter box problems)
• may have eaten something poisonous: lilies, other toxic plants, human medicines, chocolate, onions (see foods and plants)
• collapses, has a seizure, or suddenly can't use the back legs
• has not eaten for 24 hours (cats can become seriously ill if they stop eating)
• is vomiting repeatedly, bleeding, or has had an accident or fall
• has pale, blue or yellow gums

What AI must never decide

• Medicines and doses. Never give your cat a medicine or dose suggested by a chatbot. Many human medicines are dangerous for cats, and paracetamol can be fatal even in small amounts.
• "Wait and see" in an emergency. If you're worried, call your vet. A phone call costs less than a delay.
• Diagnosis. Only a vet who has examined your cat can diagnose.

The best of both

Use AI to understand. Use your vet to decide. Bring your notes and videos to the appointment, ask the questions AI helped you prepare, and then use AI again afterwards to understand the plan.

His Majesty agrees. He would, however, like to file a complaint about the thermometer.