What Is A Skin Allergy?

An immune system reaction to a substance that irritates the skin. It’s caused by exposure to allergens, and individuals with sensitive skin or a history of allergies are more likely to experience it.

Here are the most common types of skin allergies:

  • Contact dermatitis
  • Atopic dermatitis (eczema)
  • Urticaria (hives)
  • Angioedema


Recognise these signs for timely intervention and treatment.

  • Redness and swelling: These are common indicators of an allergic reaction, often accompanied by inflammation at the site of contact with the allergen.
  • Itching: Intense itchiness is a frequent symptom, which can lead to discomfort and even skin damage if not addressed properly.
  • Blisters or hives: Fluid-filled bumps or raised, red welts can develop as a result of an allergic reaction, causing discomfort and irritation.
  • Dry, scaly patches: Skin allergies like eczema can lead to areas of dry, scaly skin that may crack or become infected if not treated.


Depending on the symptoms you’re experiencing, your dermatologist may use different methods to accurately diagnose your case:

  • Patch Testing: Small amounts of potential allergens are applied to the skin using adhesive patches. These patches remain in place for 48 hours, and your dermatologist evaluates the skin’s reaction at designated intervals to identify any reactions.
  • Skin Prick Testing: Applying small amounts of potential allergens or irritants to the skin, usually on the back, pricking the skin to allow the allergen into the body, and monitoring for reactions.

Non-Surgical Treatment Options

Topical corticosteroids
Topical calcineurin inhibitors

Types Of Skin Allergies

Occurs when the skin comes into direct contact with an allergen, resulting in redness, itching, and inflammation at the site of exposure.

  • Allergic contact dermatitis: Caused by an immune system reaction to a specific allergen, such as nickel, fragrances, or rubber
  • Irritant contact dermatitis: Occurs when the skin is exposed to irritating substances like soaps, detergents, or harsh chemicals
  • Photoallergic dermatitis: A rare skin allergy caused by a reaction between certain chemicals, such as those found in some sunscreens or fragrances, and sunlight

A chronic skin condition characterised by red, itchy rashes, often triggered by allergens like dust mites, pet dander, or pollen.

Raised, red, itchy welts on the skin caused by an allergic reaction to substances such as medications, foods, or insect bites.

Swelling of the deeper layers of the skin, often occurring alongside hives and triggered by allergens like medications, food, or insect bites.

Allergic reactions to medications that can manifest as rashes, hives, or more severe skin reactions like Stevens-Johnson syndrome.

Put An End To Your Skin Allergy Discomfort

Consult our MOH-accredited dermatologist for an accurate diagnosis and personalised treatment plan.

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Skin Allergy Risk Factors

Skin allergies can affect anyone, but certain factors may increase an individual’s susceptibility. Knowing these risk factors can help in early detection and management.

  • Family history of allergies
  • Personal history of allergies or asthma
  • Sensitive or easily irritated skin
  • Prolonged exposure to allergens or irritants
  • Occupational exposure to chemicals or irritants
  • Frequent use of cosmetics, soaps, or detergents
  • Exposure to certain metals, like nickel
  • History of atopic dermatitis (eczema) or other skin conditions

Billing & Insurance

Private and Corporate Insurance

You can use your Integrated Shield Plans to pay for certain procedures. Speak to us to learn more, and you’ll be surprised at how affordable private healthcare can be. 

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

    Immune system reaction to a substance that irritates the skin, such as certain metals, chemicals, or allergens like pollen, pet dander, and dust mites.

    Treatment for skin allergies depends on the type and severity of the reaction, but common options include topical corticosteroids, antihistamines, calamine lotion, emollients, and in some cases, phototherapy or prescription medications.

    Symptoms of a skin allergy can include redness and swelling, itching, blisters or hives, and dry, scaly patches, but may vary depending on the type and severity of the reaction.

    Foods that commonly cause itchy skin include shellfish, nuts, eggs, dairy products, soy, wheat, and some fruits, but individual reactions can vary.

    Skin allergies may improve or resolve with proper treatment and avoidance of the allergen, but in some cases, like atopic dermatitis, the condition may be chronic and require ongoing management.

    The duration of a skin allergy can vary, with some reactions resolving within hours or days, while others may persist for weeks or require long-term management, depending on the type and severity of the allergy.

    Preventing skin allergies involves avoiding known allergens or irritants, using hypoallergenic skincare products, maintaining a clean living environment, wearing protective clothing, managing stress, and maintaining a healthy diet.