screening for psoriasis

Overview

Psoriasis is a chronic (long-lasting) skin condition where the body makes new skin cells too quickly. This causes thick, scaly patches to build up on the skin.

Yes, psoriasis is common. It affects about 2 to 3 in every 100 people worldwide.

Psoriasis can start at any age, but it most often appears in early adulthood. It affects men and women equally, and people of all skin types.

Symptoms

Common symptoms

• Thick patches of red or pink skin with silvery-white scales
• Dry, cracked skin that may bleed or itch
• Soreness, burning, or stinging around patches
• Thickened, pitted, or ridged fingernails or toenails
• Itching or discomfort in the affected areas

Symptoms in children

• Smaller patches that may be less scaly
• Scalp psoriasis with flakes that look like dandruff
• Irritability or trouble sleeping due to itching

Symptoms in older adults

• Patches may be less red but still scaly
• Skin can be thinner and more delicate, so patches may become easily irritated
• Nail changes are more common

Causes

Main causes

• An overactive immune system mistakenly attacks healthy skin cells, speeding up their production.
• Genetics: psoriasis tends to run in families.
• Certain triggers can start or worsen a flare, such as stress, skin injury, infections, or some medicines.

Risk factors

• A family history of psoriasis or psoriatic arthritis
• Stress
• Infections like strep throat
• Skin injuries such as cuts, scrapes, or sunburn
• Smoking or heavy alcohol use

When to see a doctor

See a doctor urgently if:

• If you have widespread skin redness over most of your body
• If you have signs of infection like severe swelling, pain, or fever
• If you have joint pain or swelling that limits your daily activities

Book a routine appointment if:

• If you notice a new skin rash or patch that does not go away
• If you have itching, flaking, or nail changes that concern you
• If you want to talk about ways to manage your symptoms

Diagnosis

Doctors usually diagnose psoriasis by looking at your skin, scalp, and nails and asking about your symptoms and family history. In most cases, no special test is needed.

Tests that may be done

• Physical exam of your skin, scalp, and nails
• Medical history review, including family history
• A small skin sample (biopsy) if the diagnosis is uncertain

What to expect at your appointment

Your healthcare provider will ask questions about when the patches first appeared, what makes them better or worse, and if you have any joint pain. A skin biopsy is quick and uses a local numbing medicine, and the results usually come back within a few weeks.

Treatment

The goal of treatment is to slow skin cell growth, reduce inflammation, and smooth the skin. The right treatment depends on how much skin is affected, where the patches are, and how severe your symptoms are. You and your doctor can decide together.

Self-care at home

• Keep your skin moisturized with fragrance-free creams or ointments
• Use gentle, mild cleansers and avoid hot water when bathing
• Protect your skin from cuts, scratches, and sunburn
• Limit alcohol and avoid smoking, as these can trigger flares
• Manage stress with relaxation techniques like deep breathing or gentle exercise

Medical treatments

Treatment approaches include creams and ointments applied to the skin, light therapy using controlled ultraviolet light, and systemic medications that work throughout the body to calm the immune system. Always discuss options with your healthcare provider, as treatment is personal and may change over time.

When is surgery considered?

Surgery is not used to treat psoriasis itself. However, some people with psoriasis may need surgery for joint problems if psoriatic arthritis causes severe damage.

Living with this condition

Living with psoriasis means paying attention to your skin and your triggers. Keeping a diary of flare-ups can help you notice patterns. Many people find that a regular skin care routine makes a big difference.

Lifestyle tips

• Take short, lukewarm baths and moisturize right after
• Wear soft, breathable clothing
• Try to limit alcohol and quit smoking
• Talk openly with your doctor about your concerns

Diet and exercise

A balanced diet with plenty of fruits, vegetables, and whole grains supports overall health. Regular exercise helps manage weight, reduce stress, and may lower the risk of related conditions. No specific diet has been proven to cure psoriasis, so eat in a way that makes you feel good.

Mental health and emotional wellbeing

Living with a visible skin condition can affect confidence and mood. It is common to feel self-conscious or frustrated at times. If these feelings become overwhelming, speak with your doctor or a mental health professional. Support from others can really help, too.

Prevention

Psoriasis itself cannot be prevented, and it is not caused by anything you did. However, you can take steps to reduce flare-ups by avoiding known triggers, caring for your skin, and managing stress.

Vaccines

There are no vaccines to prevent psoriasis, but it is important to stay up to date on recommended vaccines to avoid infections that might trigger a flare. Talk to your healthcare provider about which vaccines are right for you.

Screening programmes

There is no routine screening test for psoriasis. The best way to detect it early is to see a healthcare provider if you notice any new or changing skin patches, especially if you have a family history of the condition.

Complications

If left untreated

• Psoriatic arthritis, which causes joint pain, swelling, and stiffness
• Skin infections from scratching or cracked skin
• Increased risk of heart disease, diabetes, and depression in some people

Long-term outlook

Psoriasis is a long-term condition, but most people can manage it well with today's treatments. It is possible to have long periods without flare-ups, and there is a lot of hope for effective symptom control. Working closely with your healthcare team can make a positive difference.

Find support

External links open third-party websites. Ruqelo Health is not responsible for external content. Listing an organisation does not imply endorsement.