Emetophobia is a specific phobia of vomiting, and it restricts life out of all proportion to how trivial it sounds when said aloud. The reason is structural rather than a matter of severity: most phobias attach to something you can decline to be near, and this one attaches to your own body. [boschen-2007-reconceptualizing] This article covers why the avoidance spreads so far, what keeps it going, why it is so often mistaken for something else, and what treatment actually involves.
Our guide to phobias covers the general mechanism, of which this is a particularly far-reaching case.
Why the avoidance spreads
A fear of dogs is bounded by where dogs are. A fear of being sick has no such boundary, because the feared event originates inside you, so avoidance has to work on everything that might make it more likely.
That produces a widening set of rules. Food narrows to what feels safe, and then narrows again. Restaurants and other people’s cooking go. Travel involving motion goes, and so does being far from a bathroom. Anyone who might be unwell is avoided, which reaches into work, school and family. Alcohol usually goes entirely. Pregnancy is often dreaded or declined specifically because of nausea.
Keyes and colleagues reviewed what is known about the condition and describe exactly this pattern of pervasive avoidance and its effect on functioning, alongside how rarely it is presented to services under its own name. [keyes-2018-svp]
The final step inward is the one that closes the loop: the sensations themselves become the threat. Any ordinary stomach feeling is read as a beginning, so the person is never away from the feared object.
What keeps it going
Avoidance is only half of it. The other half is the set of behaviours that feel like coping.
Checking means scanning your own stomach for early signs. It always succeeds, because a stomach always produces sensations, and every one found is then treated as evidence.
Reassurance-seeking means asking whether the food is fine, whether somebody is definitely not unwell, whether this feeling is normal. The relief lasts minutes and the lesson lasts longer: that the question was worth asking.
Both prevent the fear from ever being disconfirmed, which is why treatment targets them as directly as it targets the avoidance.
The divergence between graded exposure and continued avoidance described in the inhibitory-learning account of exposure therapy (Craske and colleagues, 2014). Values illustrate the shape of the two paths rather than reporting measured scores.
The two lines are the whole argument for doing the uncomfortable thing. Avoidance lowers anxiety within the minute and raises it across the month, which is why it feels like it is working while the life it permits keeps shrinking.
Why it gets mistaken for an eating disorder
Because the visible behaviour is food restriction, and food restriction has an obvious explanation that is usually the right one and is not the right one here.
The distinguishing question is what the restriction is for. In emetophobia food is restricted to reduce the chance of being sick, and any weight loss is unwanted; body shape and weight are not the subject of the fear. van Hout and Bouman documented the clinical features of people with fear of vomiting and the range of complaints they present with, which frequently sends them somewhere other than a phobia clinic. [vanhout-2012-features]
Getting it wrong is costly rather than merely inaccurate. Treatment aimed at body image does not address a fear of vomiting, and the person concludes that treatment does not work on them. Our guide to eating disorders covers the conditions this is genuinely distinct from, and the two can co-occur.
What treatment involves
Exposure-based cognitive behavioural therapy, which is the best-evidenced approach across specific phobias and adapts to this one with one difference: much of the exposure is to internal sensation rather than to an external object.
It does not involve making anybody sick. A therapist proposing that has misunderstood the model, and it is worth knowing that in advance, because the fear of what treatment will involve keeps a lot of people out of it.
What it does involve is graded contact with what has been avoided, beginning far more gently than people expect: the words, then images and sounds, then foods, then situations. Alongside that, the checking and reassurance-seeking are dropped deliberately. And because so much of the fear attaches to bodily sensation, treatment usually includes producing harmless sensations on purpose, through spinning or breathing exercises, so that a churning stomach stops being read as the opening of a catastrophe.
Craske and colleagues’ inhibitory-learning account reframes what exposure is doing: not waiting for anxiety to fall within a session, but building a competing expectation that survives the anxiety being present. [craske-2014-inhibitory] That is why treatment tolerates discomfort rather than trying to eliminate it.
Sitting with a sensation on purpose
A small piece of what exposure work involves, not a substitute for it. Put one hand flat on your stomach and notice what is actually there, without deciding what it means or checking whether it is getting worse. The aim is not to feel calm. It is to let a sensation be present without it becoming a prediction.
1:00
Notice it, name it plainly, and do not check whether it is changing. Checking is the behaviour that keeps this going.
You stayed with it. That is the part that counts.
When to seek help
Speak to a doctor or a therapist if fear of being sick is shaping what you eat, where you go or what you will do, and say plainly that it is a fear of vomiting rather than describing only the food restriction, because the restriction alone points somewhere else. Ask specifically about exposure-based cognitive behavioural therapy.
Go sooner if you are losing weight, if you are avoiding enough food or fluid that your health is affected, or if the avoidance has reached the point where you are rarely leaving home.
If you are in crisis, contact your local emergency services or a crisis helpline.