PSORIASIS


PSORIASIS          
Essentials of Diagnosis
It is a familial, chronic, recurrent disease of unknown origin.
                     Well circumscribed erythematous dry plaques of various size covered with mica like silvery scales.
                     Removal of scales may expose a thin membrane giving rise to pinpoint bleeding points.
                     Extensor aspect of extremities especially elbows, knees, occiput are the commonly affected sites.

Treatment
o   Removal of precipitating cause if known.
o   Warm climate helps to check relapse.
o   Coal tar local application.
o   Vitamin B1, B6, B12 IM may be helpful.
o   PUVA therapy.
                     Steroid ointment under occulsive dressing is helpful, i.e. Betnovate-N or Flucort-N.
o   Methotrexate orally in resistant cases.
                     Acute psoriasis: Cap Doxycycline 100 mg bd × 10 days. Tennovate or Excel cream twice a day for 14 days.
Chronic psoriasis:
                     Salicylic acid 3 parts. Benzoic acid 5 parts.
                     Imulsifying ointment to 100.
                     To be applied on lesions twice a day.
o   Whitfield’s ointment or Pragmatar cream at night.
o   Diprovate or Cortilate cream or Elocon ointment locally once a day for a month.