Psoriasis

Psoriasis is an exfoliating disorder of skin where the skin cells multiply and grow rapidly and get shed.it is not a contagious disease.

Cause

It is an immune-mediated disorder with genetic predisposition in which the excessive reproduction of skin cells is secondary to factors produced by the immune system.

Areas affected

Thick plaques frequently occur on the skin of knees, elbows,and lower back. But it can involve any area like scalp, palms, soles and nails.it is a chronic recurring condition with exacerbation during winter season.In 10% of cases it affects joints known as psoriatic arthritis.it can be triggered by an injury to skin known as koebner phenomenon.

Complications

Topical application of native medicine, infections or sudden stopping of treatment may result in severe variety of psoriasis like erythroderma or pustular psoriasis.

Treatment

Bath solutions and moisturisers soothen the skin and reduce dryness.If area of involvement is < 20%, then creams and ointments should suffice. If >20% of the body surface area is involved then oral drugs are required.

Other treatment options

  • Phototherapy: NBUVB, EXCIMER Lamp
  • Biologicals are the new class of medicines with promising results