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…