Senior Cat Health Monitoring at Home: What to Track Between Vet Visits
Weight trends, appetite, litter habits, mobility, and behavior shifts for older cats—simple logs that make veterinary appointments more useful.
Cats age quietly. By the time weight loss is obvious, some conditions have progressed for months. Home monitoring does not diagnose disease—it gives your vet trend lines instead of “I think she’s slower lately.”
When is a cat “senior”?
Many clinics use 10+ years as senior, 15+ as geriatric. Individual breeds and health histories vary. Start baseline tracking before symptoms so you compare to your cat’s normal.
Weight: the single most useful number
Weigh monthly on the same scale:
- Hold cat + subtract your weight, or use a pet scale
- Record to one decimal when possible
- Same time of day, before breakfast
A 5% drop over weeks warrants a call; 10% is urgent. Sudden gain can matter too (fluid, thyroid changes—vet interprets).
Appetite and water
Log daily for two weeks when anything feels off:
- Meals eaten (all / half / skipped)
- Treats or hunting catches if outdoor access
- Water bowl refills or fountain noise changes
Increased thirst plus weight loss is a classic combo worth mentioning early.
Litter box patterns
Note:
- Frequency and consistency (use your vet’s wording chart if provided)
- Straining or crying in the box
- Accidents outside the box
Constipation and urinary blockages are emergencies in male cats especially—do not wait for a routine appointment if straining with no output.
Mobility and pain signals
Senior cats hide pain. Watch for:
- Hesitation on stairs or jumps
- Grooming less on back or hips
- Sleeping in new, low places
- Irritability when touched
Video a short clip of walking—vets often learn more from video than memory.
Behavior and cognition
Disorientation, loud night yowling, or altered social behavior can reflect pain, hyperthyroidism, or cognitive decline. Date-stamped notes help distinguish gradual from sudden.
Medication and supplements
Track:
- Name, dose, time
- Missed doses
- Side effects (vomiting, lethargy)
Bring the list to every visit; do not rely on pharmacy labels alone if brands change.
Dental and breath changes
Bad breath plus pawing mouth or dropping food can mean oral pain. Dental disease affects appetite and systemic health—note it even between dental cleanings.
What to bring to the vet
A one-page summary:
- Weight graph (3–6 months)
- Appetite / litter bullet trends
- Current food brand and amount
- Questions ranked by worry
Photos and short videos beat long anecdotes.
Do not substitute Dr. Google
Trend logs support professionals. Lab work and exams diagnose. If your cat stops eating for 24 hours, is lethargic, or cannot urinate, call the clinic or emergency service—not a blog.
Habit stack
Pair logging with an existing ritual: morning feed, evening litter scoop. Thirty seconds beats a perfect chart you abandon in a week.