There are many reasons why it is important to regularly trim and care for your dog nails. Not only does improper care cause health problems for the dog, it also causes problems for you and your belongings. Proper dog nail care helps to prevent a number of potential problems, which include: Ingrown toenails – causing redness, swelling, and discharge having a potent odor Sore feet and legs Joint pain Discomfort when walking Scratches to you, your furniture, and floors Punctures to soft floor coverings such as linoleum and vinyl Picking and tearing of furniture fabric, carpet, and rugs