shwetamisramy mother, 63 yr old, is having skin darkening, dry n itchy above her left ankle and front of calf muscle area from past 8-9 months, red spots also appearing there.slight swelling also near ankle. Shown to dermatologist , first he said its fungal infection , kept giving medication, now he said vericose veins and has given a cream to apply, but the itching and darkening is only spreading not stopping. Help!