Psoriasis commonly causes red scaly patches to appear on the
skin. Plaques frequently occur on the
skin of the
elbows and knees or on the extensor aspect of the joint.
Are there other signor symptoms present? It would help if you avoid scratching your legs.Topical anesthetic, such as Benadryl, Lanacane, Sarna, and pramoxine, may be applied as often as needed to help break the itch-scratch cycle.If it persists, it would be best to have this evaluated by your doctor for proper management.