My grandmother (83 years) is having pain around the knee area which is moving downwards. Because of this she is feeling the pain in her entire leg. This is happening in the left leg. The severity of pain increases when she lies down, but reduces when she walks or sits. Is this because of some nerve problem? Have tried cold and water water massage too but there is no improvement. She has been operated on right leg for the hip fracture and her movement is with the help of stick support. This pain has started since last 3-4 days. Due to this she is unable to sleep and is impacting her overall health.