What is Psoriasis?

Psoriasis is a chronic inflammatory skin condition characterised by well-defined, red, scaly plaques on the skin with silvery scales. It is caused by an overactive immune system response, leading to accelerated skin cell proliferation. It is not contagious and can affect anyone. Other than the skin, it can also affect the nails and joints. Those with moderate to severe psoriasis may also have an increased risk of developing heart disease or stroke.

Symptoms and Diagnosis

Symptoms of Psoriasis

  • Classic features are raised, well-demarcated patches covered in silvery or white scales.
  • The rashes are commonly found on the scalp, elbows, knees, lower back and buttocks
  • Nails may be involved; with features including nail pitting, thickening, discolouration and separation from the nail bed (“onycholysis”)
  • Joints: Sometimes psoriasis can cause joint inflammation, leading to “psoriatic arthritis”. This presents with joint stiffness, swelling and pain.


  • Physical examination: Your dermatologist will carefully inspect your skin, nails, and scalp for signs of psoriasis. They may also ask about your medical and family history to determine any possible genetic predisposition or underlying factors.
  • Skin biopsy: In some cases, a skin biopsy might be necessary to confirm the diagnosis. This involves taking a small sample of the affected skin, which will be analysed under a microscope to rule out other skin conditions with similar symptoms.


Psoriasis is a chronic inflammatory condition that can flare up episodically. Although there is no cure, psoriasis can be controlled with appropriate treatment to reduce frequency and severity of flare-ups.

There are many treatment options available in Singapore for psoriasis and the treatment depends on the type of psoriasis, the areas affected and the severity and/or extent of the condition. These treatments include topical creams, phototherapy, systemic (oral) medication or biologic therapy that targets specific aspects of the immune system.

Types Of Psoriasis

The most common type is characterised by raised, red patches covered in silvery scales.

Typically affecting children and young adults, this type presents as small, drop-like spots on the skin.

Appears as smooth, shiny, and red patches, usually found in skin folds, such as the groin or armpits.

Presents as pus-filled blisters surrounded by inflamed skin.

A rare but severe form of psoriasis, causing widespread redness, scaling, and itching of the skin.

A form of psoriasis causes pitting, discolouration, and separation from the nail bed.

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Why Choose Us

Modern & Patient-Centred Dermatological Care

We are dedicated to your skin health and well-being. Our results-oriented approach is suitable for a wide range of hair, skin and nail conditions. Consult our MOH-accredited dermatologist for a personalised treatment plan.


Personalised Treatment Plans


Results-Oriented Approach


Focused Aftercare For All


Honest & Ethical Practices

Dr. Lee Hwee Chyen

Medical Director & Consultant Dermatologist

MBBS (S'pore) MRCP (UK) FAMS (Dermatology)

Special Interests In:
  • Paediatric Dermatology
  • Women’s Dermatology
  • Procedural Dermatology & Lasers

Dr. Lee Hwee Chyen is an accredited Adult & Paediatric dermatologist managing a wide range of skin, hair and nail conditions. The clinic provides services for medical, surgical, cosmetic, women’s and paediatric dermatology.

  • MBBS (National University of Singapore, Singapore)
  • MRCP (Royal College of Physicians, United Kingdom)
  • Specialist Accreditation Board, Dermatology (Singapore)
  • FAMS (Academy of Medicine of Singapore, Singapore)
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    Frequently Asked Questions

    The main cause of psoriasis is an overactive immune system that leads to increased skin cell production and inflammation, resulting in the formation of red, scaly patches on the skin.

    Psoriasis cannot be cured, but its symptoms can be managed effectively through various treatments and lifestyle modifications.

    To determine if it’s eczema or psoriasis, consult a dermatologist, who will assess the differences in appearance, location, and other symptoms to make a diagnosis.

    Psoriasis itself is not contagious, but its lesions can spread on the individual’s body due to the Koebner phenomenon or other factors.

    The immune system and the skin are the primary organs affecting psoriasis, with factors like stress and hormonal changes playing a role in its development or exacerbation.

    The best treatment for psoriasis varies depending on the individual and the severity of the condition, but options include topical treatments, phototherapy, systemic medications, and biologic therapies.