Swelling & pain in leg. Or other doctor.

: Keep your leg raised while sitting or lying Quadriceps strengthening exercises- Quad Clenches: Lie flat on your back or sit upright on a chair with leg kept horizontally on another surface. Now, tighten the muscle on the front of the thigh by pushing your knee down. You should feel your thigh muscles clench, Hold for 3 secs. Repeat 10 times twice a day. Short Arcs: Lie flat on your back or sit upright with your leg placed horizontally on a flat surface like a chair or bed. Place a rolled up towel under the knee. Pull your toes towards you and clench you thigh muscles. Slowly lift your foot up off the bed until your knee is straight (keep your knee resting on the towel). Hold for 3 secs and slowly lower them on the chair. Repeat 10 times twice a day. Straight Leg Raise: Lie flat on your back. One leg and knee will be straight and other leg should be bent. Pull your toes towards you and tighten/clench the muscle on the front of the thigh, locking your knee straight. Lift your foot up in the air, about 6 inches off the bed. Hold for 3 secs and slowly lower the leg. The knee must remain straight the whole time you are doing this exercise. Standing calf stretch Stand away from a wall and.put your fight foot behind you and be sure your toes are facing forward. Lean forward at the ankle while bending the right knee and keeping your heel on the ground. Hold this for 30 to 60 seconds. Repeat 10 times a twice a day.

She most likely is having varicose veins problem...in that case she should be using compression stockings after consulting ortho/physiotherapist...also there are some exercises which will help to get rid of the swelling...like elevating the legs for 15 min everyday (2-3 times)at an angle of of 45 degree by keeping leg fully supported(keeping pillows under the knee) and do ankle toe movements...this will flush out the toxins and help in improving circulation...besides this she should avoid standing for long duration at one place...more exercises can be learnt be consulting a good physiotherapist.

Her symptoms suggest varicose veins with lower limb venous insufficiency. She needs urgent Colour doppler ultrasound study of her legs - both venous and arterial. And then consult a vascular surgeon. Its unlikely to be an orthopedic problem.