Take the cat to a veterinarian to rule out urinary tract infection, bladder stones, kidney disease, diabetes, pain, or other medical causes
Clean the bed thoroughly with an enzymatic cleaner made for pet urine
Remove all urine smell from bedding, mattress, and surrounding area
Keep the cat out of the bedroom and off the bed until the problem is resolved
Provide at least one clean litter box per cat, plus one extra
Place litter boxes in quiet, accessible locations
Scoop litter boxes daily and change litter regularly
Try a different litter type if the cat dislikes the current one
Use a larger, uncovered litter box if needed
Make sure the litter box is easy to enter and exit
Reduce stress and changes in the cat’s environment
Keep feeding, play, and routine consistent
Provide more playtime and enrichment
Address conflicts with other pets
Block access to the bed when unsupervised
Use waterproof mattress and pillow protectors
Place washable covers or deterrents on the bed
Reward the cat for using the litter box
Never punish the cat for peeing on the bed
Revisit the veterinarian if the behavior continues or worsens