Sentence:  Antiinflammatory corticosteroid creams and ointments are prescribed for inflamed or lichenified areas. These creams are more effective when applied to damp skin. The lowest potency that controls signs should be used, and topical steroids are usually reserved for treatment of episodic <WSD>flares</WSD>. 
Meaning of the word marked with <WSD> tags:  A sudden eruption or outbreak; a flare-up.