Does Cholinergic Urticaria Cause Anaphylaxis?

One of the biggest fears among people with cholinergic urticaria is the possibility of developing severe reactions such as anaphylaxis. However, cholinergic urticaria should not be placed in exactly the same category as all other forms of urticaria. Different types of urticaria have different mechanisms and different risk profiles. Forms such as chronic spontaneous urticaria,…

Cholinergic Urticaria Triggered by Cold vs Cold Urticaria.

Some cases of cholinergic urticaria can create confusion because symptoms appear to become worse during colder weather instead of hot environments. Since cholinergic urticaria is usually associated with heat-related triggers such as exercise, emotional activation, sun exposure, or situations that increase body temperature, many people assume that symptoms triggered in cold environments must represent cold…

Chronic Idiopathic Urticaria vs Chronic Spontaneous Urticaria. The illusion

Chronic spontaneous urticaria is a modern term that replaced the older term chronic idiopathic urticaria. This change represents an attempt to move away from the idea of an “unknown cause.” The word “idiopathic” means that the cause is unknown. The word “spontaneous” suggests that the condition originates from mechanisms inside the body itself, frequently associated…

Low-Histamine Diets Don’t Work for Chronic Urticaria

Low-histamine diets are one of the most common recommendations discussed among people with chronic urticaria. However, from my perspective, focusing only on the amount of histamine in food is the wrong criterion when the objective is resolving chronic urticaria. One of the biggest mistakes is confusing histamine intolerance with urticaria. They are not the same…