Carcinoid crisis is when all of your Carcinoid Syndrome symptoms occur at the same time, which can be serious and life threatening. It can occur suddenly or in association with stress, chemotherapy, or anesthesia.
Carcinoid crisis is associated with the rapid release of hormones, particularly serotonin, from your tumor. The rapid release of these hormones could be triggered by the tumor or by something else like surgery or chemotherapy.
Carcinoid crisis can seem similar to some allergic reactions. It is important to be aware of carcinoid crisis because it should not be treated the same way. While the symptoms of carcinoid crisis can vary, signs to look out for include: