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September 19, 2026 · 4 min read

What to bring to the vet, besides the cat

"Has anything changed since we last saw her?" You know the answer is yes. You know, roughly, what. What you do not have, standing in the waiting room with a cat carrier at your feet, is a date or a count for any of it. So you say the true thing you can remember: the week she seemed a little off, the morning someone forgot the pill. What you leave out is everything that did not feel dramatic enough to survive three months of memory — which is most of it. The ordinary days, the doses given right on schedule, the small variations that turned out to mean nothing: none of that makes it to the appointment, because none of it felt worth holding on to at the time. Guðmundur and Ásta split care for their cat Móna between them, and each of them remembers a different half. Neither remembers the whole thing, and neither of them notices that until the vet asks a specific question and they look at each other.

What is actually useful to a vet is not an impression. It is counts and dates. How many of Móna's expected doses were actually given over the last few months, how many were missed, and roughly when. Her weight over time, not one number from this morning's scale — a single weigh-in is noise; a trend is signal, and it is the trend a vet can do something with. Symptom entries with dates attached, so "she seemed off" becomes three specific mornings instead of a feeling. And what else has been given alongside the prescribed medication, because that context does not fit in a sentence you remember to say out loud under pressure. None of this is about being more impressive in the room. It is about handing over the same facts a vet would otherwise have to extract from you one question at a time, already assembled.

MoonCats' vet report puts exactly that on one page, for one pet: doses given against doses expected across the last 90 days, weight entries, symptoms logged, and appointments and vet notes. Nothing on it is inferred. It is a summary of what your household recorded — if nobody logged the missed evening dose or the odd morning, it is not on the page. The report is only as complete as the log behind it, and it says so plainly rather than filling gaps with a guess. There is no separate report to write, no notes to transcribe the night before — it is the same entries the household already made while giving doses and noticing things, pulled together into one view instead of scattered across weeks of separate days.

Last 90 days

Doses168 of 180 given
Weight4 entries
Symptoms2 logged

Getting it out of the app is deliberately unglamorous. On the web it prints straight from the browser, so it becomes a paper copy or a PDF through the ordinary print dialog. On the Android app it produces a real PDF file you can share from the phone, the way you would share a photo. The practical version of this: generate it the night before the appointment, not from the car park with one bar of signal. A PDF made the evening before is one you can also glance over yourself, and notice if a section looks thinner than you expected — a sign to log the last few days before you leave rather than after you get back.

What it is not matters as much as what it is. It is not a diagnosis. It is not an interpretation of the trend it shows you. It does not replace describing, in your own words, what you have noticed about Móna since the last visit. MoonCats will show you that her weight has dropped over six weeks; it will not tell you what that means. That is not a missing feature. A wrong interpretation offered with confidence in a waiting room is worse than no interpretation at all, so the report stays a record and leaves the reading of it to the person qualified to read it. Deciding not to guess is itself a choice MoonCats made on purpose, not a corner it cut.

The report is only as good as the habit behind it. Log the weigh-in the day you do it, not from memory that evening. Write the symptom entry the day it happens, one plain sentence is enough. And when you miss a dose, record that it was missed instead of quietly skipping the entry — a given-versus-expected count only means something if the misses are in it too. None of this takes long. It takes less time than the conversation in the waiting room it replaces.

Three months of a cat's care lives in more than one head. One page, generated the night before, is easier to hand over than either of you trying to reconstruct it out loud, and it means the appointment starts with what actually happened instead of with two people comparing memories in front of a vet who is waiting for an answer.

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MoonCats records what a vet already told your household to do. It does not suggest, space, calculate or evaluate a dose.