Cold Allergy: What It Is, Why It Happens, and How It Manifests
Red patches, itching, and hives after frost — this is how cold urticaria manifests. We explain the causes, symptoms, and how a doctor tests for a reaction to cold.
Tag: Rash
Articles tagged «Rash»
Sun Allergy: Photodermatosis, Signs and Causes
What lies behind a skin reaction to the sun: signs of polymorphic light eruption, causes, differences from heat rash, and when to see a doctor.
Skin Rash on the Body: Types of Skin Eruptions and Their Possible Causes
A rash is a symptom, not a diagnosis: we break down the elements of eruptions, their sizes and colors, likely causes, and the signs that warrant a doctor's visit.
Measles: Why It's So Contagious, Symptoms, and Who Is Protected
The measles virus can stay in the air for up to two hours and cause up to 18 secondary cases. Here's what is known about the course, complications, and protection through vaccination.