Many over the counter and prescription remedies are available in drop, ointment and liquid form. ADD SOME FAT Omega3 is a fatty acid supplement which has been used successfully to treat tear staining in dogs with allergy and irritation problems. Omega3 can be purchased in pill form and added to food or bought as a food supplement. Tear staining will clear in as little as 7 days. This over the counter eye drop works like an antibiotic and dog show circuit runners swear by it.
Product is used, as needed, to clean up stain and help prevent further staining.
One teaspoon of white cidar vinegar can help to control excessive tear staining. Add vinegar to dogs drinking water. This works much the same as the antacid treatment, in that it changes the PH in your dog's system. If you have only minimal staining, it is possible to physically remove them from your dog's coat. However, remember that the underlying problem still needs to be treated.