Medically Reviewed By
Dr. Srinivas
Consultant Pathologist
Pathology · Last reviewed: June 2026

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Allergy Screening Phadiatop - Infant
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About this test
The Allergy Screening Phadiatop – Infant Test is a highly sensitive blood test designed to detect specific Immunoglobulin E (IgE) antibodies against common allergens responsible for allergic diseases in infants and young children. It is specially optimized for children below 5 years of age and serves as an effective first-line screening test for IgE-mediated allergies.
Unlike the adult Phadiatop test, the infant version includes both food allergens and inhalant allergens that are commonly associated with allergic diseases during early childhood. These allergens may include:
Common Food Allergens
- Cow's milk
- Egg white
- Peanut
- Wheat
- Soybean
- Shrimp
Common Inhalant Allergens
- House dust mites
- Cat dander
- Dog dander
- Tree pollens
- Grass pollens
- Weed pollens
The test helps identify children at risk of allergic diseases such as:
- Atopic dermatitis (eczema)
- Food allergies
- Allergic rhinitis
- Allergic conjunctivitis
- Bronchial asthma
- Atopic disorders
The Phadiatop Infant Test is useful in infants and young children experiencing recurrent skin rashes, eczema, wheezing, coughing, sneezing, or food-related allergic symptoms. A positive result indicates sensitization to one or more allergens and may require further allergen-specific testing.
Benefits of the Test
- Screens for common childhood allergies
- Detects both food and inhalant allergen sensitization
- Helps diagnose eczema and allergic diseases
- Supports early allergy management
- Assists in preventing progression to asthma
- Requires only a blood sample
Why Doctors Recommend This Test
Doctors may recommend the test for:
- Recurrent eczema
- Persistent skin rashes
- Wheezing and coughing
- Sneezing and nasal congestion
- Suspected food allergy
- Family history of allergies
- Recurrent allergic symptoms in infants
- Evaluation of atopic diseases
Preparation Before Test
Sample Required
- Peripheral venous blood sample
Preparation Guidelines
- No fasting is required
- Antihistamines generally do not interfere with blood IgE testing
- Inform your doctor about symptoms and previous allergic reactions
- Follow laboratory instructions before sample collection
Reporting Time
Results are generally available within 1–3 working days, depending on laboratory methodology.
Who Should Take This Test?
- Infants and children below 5 years of age
- Children with eczema or recurrent skin allergies
- Children with wheezing or allergic asthma symptoms
- Infants with suspected food allergies
- Children with family history of allergies
- Patients undergoing pediatric allergy screening
Clinical Significance
Positive Results May Indicate
- Food Allergy
- Atopic Dermatitis (Eczema)
- Allergic Rhinitis
- Allergic Asthma
- Environmental Allergy
- Atopic Predisposition
Symptoms May Include
- Skin rash
- Eczema
- Itching
- Sneezing
- Runny nose
- Wheezing
- Chronic cough
- Watery eyes
- Food-related allergic reactions
A positive result indicates sensitization to one or more allergens and may require additional specific IgE tests for allergen identification.
Important Note
The Phadiatop Infant Test is a screening test and does not identify individual allergens. Positive results should be interpreted together with clinical symptoms and physician assessment. Further allergen-specific testing may be recommended for detailed evaluation.
Test FAQs
What is the Phadiatop Infant Test?
What age group is this test intended for?
Is fasting required?
What sample is required?
Can antihistamines affect the test?
Can this test diagnose eczema-related allergies?
Does the test identify individual allergens?
Can this test help predict asthma risk?
Does a positive result confirm allergy?
Who interprets the results?
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