
Check whether drinking is hidden
Some cats drink at night, use another bowl, or get more moisture from wet food. Look at refills and litter output before assuming there is no intake.
Updated
Water intake
Some cats drink quietly or get moisture from wet food, but a sudden drop in drinking deserves attention.
Look at water, food moisture, urine, energy, and the room setup together. The goal is not to force drinking; it is to make clean water easy and notice health changes early.

Some cats drink at night, use another bowl, or get more moisture from wet food. Look at refills and litter output before assuming there is no intake.

Place bowls away from litter, loud appliances, tight corners, and food-guarding pets. Add more than one water station if the home is large.

Wet food or added water may help some cats, but changes should be gradual and accepted. Do not force water into a cat unless a veterinarian directs it.

Lethargy, tacky gums, weakness, vomiting, appetite loss, collapse, or major urine changes need veterinary advice quickly.
Water gear should make clean water easier to find and easier to monitor.
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Wet food adds moisture, so some cats drink less visibly. Still watch urine output, energy, appetite, and any sudden change.
Call your veterinarian for lethargy, vomiting, appetite loss, tacky gums, weakness, collapse, pain, or major urine changes.