Emetophobia (fear of vomiting) is a specific phobia involving intense anxiety about vomiting (oneself or witnessing others), often including avoidance of foods, places, or situations associated with nausea. Your threat detection system (amygdala) has categorized vomiting as extreme danger, triggering disproportionate fear responses. The insula (disgust processing) also shows heightened activation. The "organism as team" framework helps: your protection team has misclassified a normal bodily function (vomiting as protective reflex to expel toxins) as catastrophic threat. Your amygdala signals danger when nausea appears or situations trigger vomit-related thoughts, activating your full stress response—which paradoxically can cause nausea, creating a fear-nausea-fear cycle. Your interoceptive awareness team (monitoring internal body signals) becomes hypervigilant for any stomach sensations, misinterpreting normal digestive feelings as pre-vomiting signs. Your avoidance team then restricts foods, activities, and places to prevent vomiting, which maintains the phobia by preventing you from learning that vomiting is survivable and that nausea doesn't always lead to vomiting. Treatment involves retraining your threat detection team: exposure therapy gradually teaches your amygdala that vomit-related stimuli aren't dangerous, interoceptive exposure helps your body-monitoring team tolerate stomach sensations without panic, and cognitive work updates catastrophic beliefs. Your brain can reclassify vomiting as uncomfortable but not catastrophic. ⚕️ This protocol does not replace professional consultation.