Mon–Fri 09:00–21:00 · Sat–Sun by appointment
Belfast Children's Allergy Clinic

Allergy Advice Centre

Plain-language guides on childhood allergy — written by Dr Mugilan Anandarajan, Consultant Paediatrician (FRCPCH, MD).

Written by Dr Mugilan Anandarajan, Consultant Paediatrician (FRCPCH, MD) GMC Registered · BSACI Member · 25+ Years Experience
AllAllergy TestingFood AllergyCow's Milk AllergyPeanut AllergyEczema & AllergyAnaphylaxisHay Fever & RhinitisUrticaria & HivesEgg AllergyParent WellbeingSchool & Safety
Does My Child Need Allergy Testing?
Allergy Testing5 min read

Does My Child Need Allergy Testing?

A guide for parents on when specialist allergy testing is appropriate, what it involves, and what to expect from an appointment with Dr Anandarajan.

Read article
Milk Allergy vs Lactose Intolerance: What's the Difference?
Cow's Milk Allergy6 min read

Milk Allergy vs Lactose Intolerance: What's the Difference?

Cow's milk allergy and lactose intolerance are frequently confused. This article explains the key differences, symptoms and management of each condition.

Read article
Introducing Peanuts Safely to Babies
Peanut Allergy5 min read

Introducing Peanuts Safely to Babies

Current UK guidance recommends early introduction of peanut in most infants. Dr Anandarajan explains when and how to introduce peanut safely.

Read article
Can Eczema Be Caused by Food Allergy?
Eczema & Allergy6 min read

Can Eczema Be Caused by Food Allergy?

The relationship between eczema and food allergy is complex. Dr Anandarajan explains when allergy testing is useful in children with eczema.

Read article
What Happens During Allergy Testing?
Allergy Testing5 min read

What Happens During Allergy Testing?

A step-by-step guide to what happens at an allergy appointment with Dr Anandarajan — from the initial consultation to skin prick testing and results.

Read article
When Should My Child Carry an Adrenaline Pen?
Anaphylaxis6 min read

When Should My Child Carry an Adrenaline Pen?

Not every child with a food allergy needs an adrenaline auto-injector. Dr Anandarajan explains who needs one, which device to use, and how to use it.

Read article
Understanding Skin Prick Testing
Allergy Testing5 min read

Understanding Skin Prick Testing

Skin prick testing is one of the most common allergy tests used in children. This article explains how it works, what to expect, and how to interpret results.

Read article
Common Food Allergies in Children
Food Allergy7 min read

Common Food Allergies in Children

An overview of the most common food allergies in children — milk, egg, peanut, tree nuts, wheat and soy — including symptoms, diagnosis and management.

Read article
Managing Allergy Anxiety in Parents
Parent Wellbeing5 min read

Managing Allergy Anxiety in Parents

A diagnosis of food allergy or anaphylaxis risk can be frightening for families. Dr Anandarajan offers practical advice on managing anxiety and building confidence.

Read article
Hay Fever in Children: Symptoms, Triggers and Treatment
Hay Fever & Rhinitis6 min read

Hay Fever in Children: Symptoms, Triggers and Treatment

Hay fever affects 1 in 5 children in the UK. Dr Anandarajan explains pollen seasons in Northern Ireland, antihistamines, nasal sprays and when specialist testing is needed.

Read article
Anaphylaxis Action Plans for Children: A Parent's Guide
Anaphylaxis7 min read

Anaphylaxis Action Plans for Children: A Parent's Guide

What is an anaphylaxis action plan, who needs one, and how to use an adrenaline auto-injector? Essential reading for parents of children at risk of severe reactions.

Read article
Cow's Milk Allergy in Babies: Formula Guide for Parents
Cow's Milk Allergy7 min read

Cow's Milk Allergy in Babies: Formula Guide for Parents

Which formula is right for a baby with cow's milk allergy? Dr Anandarajan explains extensively hydrolysed, amino acid and soy formulas — and the milk ladder.

Read article
Eczema in Children: Causes, Triggers and Treatment
Eczema & Allergy7 min read

Eczema in Children: Causes, Triggers and Treatment

A parent's guide to atopic eczema — from emollient therapy and steroid creams to identifying food and environmental triggers and when allergy testing helps.

Read article
Tree Nut Allergy in Children: What Parents Need to Know
Food Allergy6 min read

Tree Nut Allergy in Children: What Parents Need to Know

Which nuts are tree nuts? How does tree nut allergy relate to peanut allergy? Dr Anandarajan explains cross-reactivity, testing and safe management.

Read article
Egg Allergy in Children: Cooking and Baking Without Eggs
Egg Allergy6 min read

Egg Allergy in Children: Cooking and Baking Without Eggs

Practical guidance on egg substitutes in baking, hidden egg in foods, label reading and understanding the egg ladder for reintroducing egg.

Read article
Allergy Testing in Babies and Infants: What Parents Need to Know
Allergy Testing6 min read

Allergy Testing in Babies and Infants: What Parents Need to Know

Can babies be allergy tested? Dr Anandarajan explains when infant allergy testing is appropriate, what tests are used and how to interpret results in the first year of life.

Read article
Managing Food Allergy at School in Northern Ireland
Food Allergy7 min read

Managing Food Allergy at School in Northern Ireland

A practical guide to school allergy policies, action plans, adrenaline auto-injectors and working with school staff to keep your child safe in Northern Ireland.

Read article
Private Allergy Testing for Children in Belfast: What to Expect
Allergy Testing6 min read

Private Allergy Testing for Children in Belfast: What to Expect

A step-by-step guide to private paediatric allergy appointments — from booking to results, what tests are done, and what to bring on the day.

Read article
Hives (Urticaria) in Children: Causes, Treatment and When to Worry
Urticaria & Hives6 min read

Hives (Urticaria) in Children: Causes, Treatment and When to Worry

Why does my child keep getting hives? Dr Anandarajan explains acute and chronic urticaria — causes, antihistamine treatment and when specialist assessment is needed.

Read article
Component-Resolved Diagnostics: Advanced Allergy Testing Explained
Allergy Testing6 min read

Component-Resolved Diagnostics: Advanced Allergy Testing Explained

How testing for specific allergen proteins — rather than whole extracts — gives a more accurate picture of allergy severity and guides management decisions.

Read article
Oral Allergy Syndrome: Why Fruit Makes My Child's Mouth Itch
Food Allergy5 min read

Oral Allergy Syndrome: Why Fruit Makes My Child's Mouth Itch

Why does raw fruit make some children's mouths tingle? Dr Anandarajan explains pollen-food allergy syndrome — causes, which foods are involved and how to manage it.

Read article
Benedict's Law and School Allergy Safety in Northern Ireland
School & Safety7 min read

Benedict's Law and School Allergy Safety in Northern Ireland

What Benedict's Law means for children with allergies, its current status in Northern Ireland, and how schools can improve allergy safety.

Read article