Emetophobia, a fear of vomiting, is one of the more hidden phobias. People affected often feel deep embarrassment about it, and the condition can quietly restrict daily life: avoiding restaurants, social occasions, travel, sometimes whole categories of food. Treatment exists, but progress is not always straightforward.
A case report published in 2025 by Lancaster and Anbar describes a young person who had experienced emetophobia since early childhood. He had tried several types of therapy, including the standard approach, exposure and response prevention (ERP), where a person gradually faces a feared situation rather than avoiding it. Traditional ERP brought some improvement, but his symptoms stayed severe.
The change came with a technique the authors called subconscious-facilitated ERP, or sERP. Using hypnosis, the therapist guided the patient into a relaxed state in which imaginal exposures were directed by his own subconscious, rather than initiated consciously. This appeared to work around the conscious resistance that had limited his earlier treatment.
This is a single case report, so conclusions should stay modest. The authors themselves note that more research is needed to establish what role sERP might play in treating emetophobia more broadly.
If emetophobia is affecting your life, a psychologist with experience in anxiety and phobias can help you consider which treatment approach might suit you.
What emetophobia actually is
Emetophobia is a specific phobia — an intense, persistent fear of a particular object or situation (here, vomiting) that's disproportionate to any real danger and interferes with daily functioning. Despite being common enough to cause serious distress, it's described in this paper as understudied, with no single agreed-upon, manualised treatment (a manualised treatment is one with a standardised, step-by-step protocol that's been tested and written up so other clinicians can follow it consistently).
The usual first-line approach is CBT (cognitive behavioural therapy) using exposure and response prevention, or ERP. The logic behind ERP: anxiety naturally rises and falls if you stay in contact with a feared situation without doing your usual safety behaviours (like avoidance or seeking reassurance). Repeated exposure, without the escape or reassurance ('response prevention'), gradually teaches the nervous system that the feared outcome is tolerable or unlikely. It's well established for many phobias and anxiety disorders.
What this study did
This is a case report — a detailed account of one person's treatment, not a controlled trial comparing groups. It describes a 15-year-old whose emetophobia and related OCD (obsessive-compulsive disorder) symptoms began around age 5. Over the years he tried multiple treatments, but his anxiety worsened in adolescence, to the point where he needed frequent reassurance from his parents to feel safe. Standard ERP was used but only partially helped.
The authors, Lancaster and Anbar, then introduced something they call subconscious-facilitated ERP, or sERP. In their definition, this is a hypnotically facilitated procedure: the patient enters a hypnotic state, and rather than the therapist or patient consciously directing each imagined exposure step, the patient's 'subconscious' generates spontaneous imaginal exposures on its own. Imaginal exposure just means confronting the feared scenario in one's imagination rather than in real life (in vivo). The idea proposed here is that this might bypass the conscious resistance — the deliberate or semi-deliberate reluctance to engage with feared material — that can stall traditional ERP.
What it found, and why it matters
According to the case report, the patient's symptoms decreased substantially only after sERP was introduced, having remained largely unchanged with traditional ERP alone. This matters because it suggests a possible option for people who get stuck in conventional exposure work — not because their phobia is untreatable, but because something about consciously choosing to face the fear keeps blocking progress.
The limits
It's important to be precise about what a single case report can and can't tell us. There's no comparison group, no way to rule out other factors (time, other treatments, natural fluctuation), and results from one person don't establish that sERP works in general, or how. The authors themselves say more research is needed to define its potential. So this is best read as a promising lead worth investigating further, not a validated new treatment yet.
If emetophobia or related anxiety is affecting your life, it's worth reaching out to a psychologist who works with phobias — there are real, evidence-based options, and you don't have to figure this out on your own.