Question

What causes swelling of the lower limbs in patients suffering from filariasis?

Answer 1

the accumulation of dead filarial worms of wuchereria Bancrofti in lower limbs in patients causes swelling
even it causes swelling in scrotum of males and mammary glands of famale
...this condition is known as filariasis or elephantiasis
the swollen area becomes rough due to degeneration of sweat glands and accumulation of fibroblasts...
hope it helps you