Blot up wet urine with paper towels. Always blot up wet urine; never rub it into the carpet with a towel.
Cover the area with a dry paper towel, and gently press down, allowing the towel to absorb as much of the urine as possible.
Saturate the area with a carpet cleaner or water with several drops of liquid dish soap added. Don't scrub; just let it set for several hours.
Remove the soap or cleaner by gently blotting the area with a paper towel, and wetting the area with a sponge soaked in cold water. Continue, removing all soap residue.
Pour club soda on the area and soak for 10 minutes.
Blot up the club soda with paper towels.
Use an enzyme cleaner to remove any remaining urine. Follow the manufacturer's application instructions. An enzyme cleaner will actually eat the urine, helping to eliminate the stain and odor. Before applying, thoroughly rinse and blot-dry the area to remove any soap residue, which may interfere with the enzyme cleaning process.
Combine equal amounts cold water and white distilled vinegar in a cup. Don't use hot water, as that will set the stain.
Pour a little of the vinegar solution on the stain and mop up the stain using a rag and the solution.
Rinse the area thoroughly by pouring on a little cold water and blotting up with a towel.
Use an enzyme cleaner to remove any remaining urine. Follow the manufacturer's application instructions. An enzyme cleaner will actually eat the urine, helping to eliminate the stain and odor.