Vacuum the carpet thoroughly
Sprinkle baking soda over the affected area
Let the baking soda sit for several hours or overnight
Vacuum up the baking soda
Blot any fresh urine or wet spots with paper towels
Clean the area with an enzyme-based pet odor cleaner
Test the cleaner on a hidden spot first
Use a carpet shampoo or steam cleaner if needed
Repeat cleaning for stubborn odors
Improve airflow by opening windows or using fans
Wash nearby dog bedding and blankets
Sprinkle more baking soda after cleaning if odor remains
Hire a professional carpet cleaner for deep-set smells