Evaluate the efficacy of Clobex® Spray as compared to Taclonex® Ointment in terms of Overall Disease Severity and Investigator Global Assessment.

Same as above.

Inclusion Criteria:

• Moderate to severe psoriasis involving 3-20% of the body surface area

Exclusion Criteria:

• Subjects who have surface area involvement too large that would require more than 50 grams per week of Clobex® Spray or more than 100 grams per week of Taclonex® Ointment
• Subjects having psoriasis that involves the scalp, face, or groin