How to tell if a rash is an allergic reaction?

How to tell if a rash is an allergic reaction?

1. Introduction Determining if a rash is an allergic reaction requires observing its morphology, onset speed, and the presence of severe systemic symptoms. An allergic rash typically presents rapidly as intensely itchy, raised wheals known as urticaria, or as a localized contact dermatitis following exposure to a specific trigger. Immediate medical evaluation is strictly necessary … Read more

How to Tell if a Skin Rash is an Allergic Reaction or an Infection?

How to Tell if a Skin Rash is an Allergic Reaction or an Infection?

1. Introduction An allergic skin reaction usually presents with intense itching, raised hives, and rapidly spreading redness triggered by an environmental exposure. An infectious rash is typically localized, causes distinct pain or tenderness rather than pure itching, and is often accompanied by localized warmth, swelling, or a systemic fever. Accurately determining the etiology of a … Read more