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Description
“Helping you understand allergies—one episode at a time”
Welcome to Hope & Histamine, the trusted podcast for families navigating the complex world of paediatric allergies. Hosted by a dedicated healthcare professional, this show offers clear, compassionate, and evidence-based guidance on the diagnosis, treatment, and day-to-day management of allergies and atopic conditions in children.
From eczema to food allergies, asthma to anaphylaxis, each episode breaks down medical facts into practical advice—empowering parents, caregivers, and patients with reliable information and hope.
Tune in for expert insights, real stories, and up-to-date recommendations designed to help you breathe a little easier.
46 Episodes
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In this episode, we explore the growing role of biomarkers in asthma and allergic diseases and why they are becoming essential in modern diagnosis, phenotyping, monitoring, and personalised treatment. We discuss key asthma biomarkers and allergy biomarkers, including blood eosinophils, FeNO (fractional exhaled nitric oxide), total and specific IgE, and their relevance in identifying type 2 inflammation, allergic asthma, severe asthma, and other allergic conditions. This episode looks at how b...
How does cigarette smoke affect asthma? In this episode, we discuss the relationship between asthma and cigarette smoke exposure, including secondhand smoke, passive smoking, and the impact of tobacco smoke on airway inflammation, wheeze, cough, breathlessness, asthma attacks, and long-term asthma control. Learn why smoke exposure is a major asthma trigger, how it affects children and adults, and what families and healthcare professionals can do to minimise exposure and protect lung health. A...
Asthma care is changing. In this episode, we explore the concept of treatable traits in asthma and why a personalised, precision-medicine approach is transforming the way we assess and manage patients. Rather than viewing asthma as a single disease, the treatable traits model helps clinicians identify specific biological, clinical, and behavioural factors that drive symptoms, poor control, and exacerbations. We discuss how traits such as eosinophilic inflammation, poor inhaler technique, alle...
Frey’s syndrome can look exactly like a food allergy: facial flushing, warmth, sweating (sometimes even a “rash-like” redness) that appears within minutes of eating. Parents panic, clinicians worry about IgE-mediated reactions, and children can end up labelled with a food allergy they don’t actually have. In this episode, we unpack Frey’s syndrome (gustatory sweating)—why it happens, who gets it (including infants and children), and the classic pattern: unilateral or patchy facial redness/swe...
In this episode, we unpack The Foetal Origins of Allergy and the idea that the foundations of allergic disease may be laid before birth. Using the lens of early nutritional programming (often discussed within the DOHaD – Developmental Origins of Health and Disease framework), we explore how the in-utero environment can influence immune development, tolerance, and later risk of conditions like eczema, food allergy, allergic rhinitis, and asthma. We’ll break down what the science actually sugge...
Ever had a patient (or child) react to fish even when it’s been properly cooked—and the story just doesn’t fit a classic “fish allergy”? This episode dives into Anisakis: the tiny parasitic worm found in marine fish and squid that can trigger allergic reactions ranging from hives and swelling to anaphylaxis—sometimes even without active infection. We break down: What Anisakis is and which fish are most commonly implicatedHow reactions can mimic (or coexist with) true fish/seafood allergyTypic...
Ever seen someone develop flushing, hives, a pounding headache, or even wheeze soon after eating fish—and everyone assumes it’s a “fish allergy”? In this episode, we unpack Histamine (Scombroid) Fish Poisoning, a common and often mislabelled cause of allergy-like reactions after eating fish such as tuna, mackerel, mahi-mahi, sardines, anchovies, and bonito. You’ll learn why it happens (histamine build-up from improper chilling/handling), how fast symptoms start, and the key clinical clues tha...
Shellfish allergy can feel scary—especially when reactions can be sudden and severe. In this episode, we break down shellfish allergy in a clear, practical way: common symptoms (from hives to breathing problems), when to suspect anaphylaxis, and what to do in the moment. We also cover diagnosis and testing (skin prick tests, blood IgE, and when an oral food challenge might be considered), plus the tricky stuff like cross-contact in restaurants, takeaway risks, and food labels. Whether you’re ...
In this episode, we explore a fascinating question in early-life allergy prevention: could colostrum act as a protective factor against peanut allergy? Using evidence from a birth cohort study, we break down what the research actually found, how strong the association is, and what it might mean for parents and clinicians. We’ll cover: What colostrum is and why it matters for immune developmentHow a birth cohort study is designed (and what it can and can’t prove)Possible biological mechanisms:...
Coeliac disease isn’t always a “gut problem.” In this episode of Hope & Histamine: The Paediatric Allergy Podcast, we unpack the extraintestinal manifestations of coeliac disease—the symptoms that show up beyond the digestive tract and can be easy to miss. We explore the most common non-GI presentations, including iron-deficiency anaemia, fatigue, poor growth or delayed puberty, mouth ulcers, dental enamel defects, bone pain/low bone density, headaches, low mood/brain fog, and the classic...
Coeliac disease can be easy to miss — and the symptoms aren’t always “classic” tummy pain or diarrhoea. In this episode of Hope & Histamine: The Paediatric Allergy Podcast, we break down what coeliac disease is, why it happens, and how to recognise it early, especially in children. We cover: The common and hidden symptoms (from abdominal pain and bloating to fatigue, anaemia, mouth ulcers, headaches, and poor growth)Who should be tested — including children with family history, type 1 dia...
Wheat allergy can be confusing — especially when “gluten-free” gets mixed up with coeliac disease, wheat intolerance, or everyday tummy troubles. In this episode of Hope & Histamine: The Paediatric Allergy Podcast, we break down wheat allergy in babies and children in a clear, practical way. You’ll learn the common symptoms (from hives and vomiting to wheeze and anaphylaxis), when to suspect an IgE-mediated reaction vs a delayed reaction, and how clinicians diagnose wheat allergy using a ...
🥞 Can pancakes really cause anaphylaxis? In this episode of Hope & Histamine: The Paediatric Allergy Podcast, we explore Pancake Syndrome — a rare but potentially severe allergic reaction caused by dust mite-contaminated flour rather than the pancake ingredients themselves. You’ll learn how improper storage of flour can lead to mite proliferation, why cooking does not eliminate the allergen risk, and which children are most at risk — particularly those with house dust mite allergy, eczema...
Is house dust mite allergy the hidden cause of year-round sneezing, blocked nose, wheeze, or eczema in children? In this episode of Hope & Histamine: The Paediatric Allergy Podcast, we explore house dust mite allergy—one of the most common triggers of persistent allergic symptoms in children and adults. This episode explains what house dust mites are, why they cause allergy, and how exposure inside the home can drive ongoing symptoms such as allergic rhinitis, asthma, cough, and eczema. W...
Grass pollen allergy, commonly known as hay fever or seasonal allergic rhinitis, affects millions of children and adults—especially during the spring and summer months. In this episode, we break down what a grass pollen allergy is, why it happens, and how it can be effectively diagnosed and managed. You’ll learn how grass pollen triggers allergic inflammation, the common symptoms to watch out for (sneezing, itchy eyes, nasal congestion, cough, and fatigue), and how to distinguish hay fever fr...
Pollen Food Syndrome (also known as Oral Allergy Syndrome) is one of the most common — yet frequently misunderstood — food-related allergic conditions. In this episode of Hope & Histamine, we unpack why people with hay fever or pollen allergy can experience itching, tingling, or swelling of the lips, mouth, and throat after eating certain fresh fruits, vegetables, and nuts. We explain: What Pollen Food Syndrome is and how it differs from true IgE-mediated food allergyThe role of pollen–fo...
Can babies eat blueberries as one of their first solid foods? When should blueberries be introduced during weaning and complementary feeding? Are blueberries safe, nutritious, and allergy-friendly for infants? In this episode, we explore the role of blueberries as an early complementary food for babies starting solids. Drawing on evidence-based infant nutrition guidance, this episode breaks down when and how to introduce blueberries, their nutritional benefits (including fibre, antioxidants, ...
Precautionary Allergen Labelling (PAL) — those familiar phrases like “may contain nuts” or “made in a factory that handles milk” — is meant to keep people with food allergies safe. But does it always help? Or can it create confusion and unnecessary fear? In this episode, we unpack the world of precautionary allergen labels and what they really mean for families living with food allergies. We explore how PAL is regulated, why companies use it, and the challenges it brings for parents trying to...
Severe allergic reactions can happen anywhere, anytime — and every second counts. In this episode, we explore the exciting new development of adrenaline nasal spray (Neffy) as a potential needle-free treatment for anaphylaxis. Could this innovation improve how quickly lifesaving medication is delivered? Could it reduce hesitation, fear of injections, and treatment delays? Join us as we break down: How adrenaline nasal spray works in the bodySafety, ease of use, and real-world benefitsDifferen...
Ultra-processed foods (UPFs) are now a major part of children’s diets — colourful packaging, cartoon characters, and convenience make them hard to resist. But what are these foods really doing to young bodies and developing brains? In this episode, we uncover the science behind UPFs and children’s health, including: • How ultra-processed foods affect growth, metabolism, and immune health • Links with obesity, diabetes, fatty liver disease & heart disease risk • The impact on gut bacteria,...
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