Psoralan 'A' is used in the treatment of ?: (A) Pemphigus, (B) Vitiligo, (C) Pityasis alba, (D) Ichtyosis
Answer is B. Ans. is 'b' i.e., Vitiligo o Psoralen and UV-A have synergistic action, therefore they are used in combination as PUVA therapy. o PUVA is used in 1. Psoriasis (most impoant and most common use) 3. Vitiligo 2. Eczema 4. Cutaneous T-cell lymphoma