Vacuum the couch thoroughly, including cushions, seams, and under cushions
Remove and wash any removable cushion covers according to the care label
Sprinkle baking soda over the fabric and let it sit for several hours or overnight
Vacuum up the baking soda completely
Mix equal parts white vinegar and water in a spray bottle
Lightly mist the couch with the solution, avoiding soaking the fabric
Blot with a clean cloth and let the couch air dry
Use an enzyme cleaner made for pet odors on affected areas
Repeat cleaning on stubborn spots if needed
Open windows and use fans to improve airflow while drying
Wash nearby blankets, throws, and dog bedding
Use a fabric-safe upholstery cleaner if the smell remains
Place odor absorbers near the couch after cleaning
Keep your dog groomed and clean to reduce future odor buildup