Occlusive dressings also may be required for chronic or severe cases of lichen simplex chronicus, psoriasis, eczema, atopic dermatitis, or chronic hand eczema. {158}2 {158}1 {158}0 {225}9 {225}8 {225}7 The more potent topical corticosteroids and/or occlusive dressings may be required for conditions such as discoid lupus erythematosus, lichen planus, granuloma annulare, psoriatic plaques, and psori