Overview
Psoriasis is caused by an overactive immune system that speeds up skin cell growth. It is not contagious. Treatment can control flares.
Symptoms
- Red, raised patches covered with silvery scales
- Itching or soreness
- Patches on the elbows, knees, scalp and lower back
- Pitted or thickened nails
- Joint pain in some people
Causes and risk factors
It runs in families. Triggers include stress, infections, injury to the skin, smoking, alcohol and some medicines.
Diagnosis
A doctor diagnoses it by examining the skin.
Treatment
Treatment includes creams, phototherapy and tablet or injectable medicines for more severe psoriasis.
When to see a doctor
See a doctor if patches are widespread, painful or affecting your life, or if you have joint pain.
This information is for general education and does not replace advice from a qualified doctor. For a medical emergency, call +92-51-8446666 or go to the nearest emergency department.
