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Psoriasis
Psoriasis is a long-term skin condition where skin cells build up too quickly, forming thick, scaly patches. It is an immune-related condition and is not contagious.
Causes & risk factors
- Overactive immune system speeding up skin cell growth
- Genetic predisposition
- Triggers such as infections and stress
- Skin injury
- Certain medicines
- Smoking and heavy alcohol use
Common symptoms
- Thick, red patches with silvery scales
- Itching or burning
- Dry, cracked skin that may bleed
- Nail pitting or thickening
- Joint pain in some people (psoriatic arthritis)
Tests & diagnosis
- Clinical skin examination
- Skin biopsy in unclear cases
- ESR (if joint involvement)
Treatment & management
- Moisturisers and topical creams as prescribed
- Medicated shampoos for the scalp
- Light (phototherapy) treatment for wider disease
- Oral or biologic medicines for severe cases
- Avoiding triggers and skin injury
When to see a doctor urgently
- Widespread or rapidly worsening patches
- Joint pain and swelling with psoriasis
- Psoriasis affecting quality of life
- Signs of skin infection
Not a diagnosis. MedDroid gives general educational information about psoriasis. It cannot examine you, diagnose or prescribe — always confirm with a qualified doctor.
Frequently asked questions
Is psoriasis contagious?
No. Psoriasis is an immune-related condition and cannot be caught from or passed to another person.
Can psoriasis be cured?
There is no cure, but treatments can clear or greatly reduce the patches and control symptoms, often for long periods.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.