Food Allergy or Intolerance: What's the Difference and How to Tell Them Apart
An allergy is an immune system reaction, while intolerance is a digestive problem; both the testing and the person's safety depend on this difference.
Allergy & Immunology
Allergy and immunology cover allergies and immune reactions: hay fever, food allergy versus intolerance, pet and dust allergies, hives and anaphylaxis. We explain how allergies are confirmed and which symptoms are life-threatening. The content is for reference and does not replace a doctor's examination.
Diagnostics
Conditions
Seasonal Allergy: Why Pollen, Symptoms, and How It Differs from a Cold
What to do when your eyes water and you sneeze nonstop every spring: the mechanism of pollinosis, pollen calendar, symptoms, and how to distinguish it from a cold.
Anaphylaxis: Signs of Severe Allergy and Why Every Minute Counts
Anaphylaxis develops within minutes and affects breathing, circulation, and consciousness. Triggers, signs, and when to call 103 immediately.
Animal and dust allergy: what triggers a reaction and how it is diagnosed
The reaction is triggered by substances, mostly animal and plant proteins. We break down the symptoms, tests, and when to call 103 or 112.
Hives: Where Do the Welts Come From and What Is Quincke's Edema
An itchy rash usually resolves within a few days, but swelling can develop within minutes. We explain the acute and chronic forms and the signs of dangerous swelling.