Is your dog urinating in the house, or have you notice a horrible smell to their urine? This could all be a sign of a urinary tract infection. Dogs can commonly get bladder infections that can cause it to be very painful when they urinate.
Many times, your dog will need to see your vet for antibiotics to help clear this infection. There are also many different things that you can do to help prevent your dog from getting bladder infections, or at least decrease the severity of these infections.