Interesting that a couple of people already mentioned emetophobia (the fear of vomit/vomiting). I wonder if it's more common among Aspies than among the general public? I'd assume it might be... Aspies might have more concerns about being 'in control' of their body... or some of them, like me, might have a very hard time understanding their body's own signals (I often don't know if I'm feeling nauseous or hungry; I can't diffrenciate well between feelings). Also, I've noticed that several of my Aspie friends have anxiety issues in general (I had a severe anxiety disorder that kept me housebound for 4 years), so I suppose emetophobia and similar body-control-related phobias might be more common with Aspies.
Myself, I was severely emetophobic since childhood. It may have been sparked off by a severe illness I had as a child, where I refused to eat for over a week due to fear of getting sick again, and only started eating again when the alternative was to be hospitalised and forcefed. My phobia was so severe that it consumed my life... I wouldn't go out for fear of getting ill, and I wouldn't eat anything if I couldn't check the best before date or if I didn't know exactly how it had been prepared. I also avoided a lot of foods just in case I was allergic to them, just because I knew some people were allergic to those foods (things like strawberries and coconut - which even now I don't like to eat, just in case). I'd have to carry 'supplies' with me everywhere... water to sip, mint candy to suck, I even had a little bottle of pepto bismol in my carry-pack, heh.
I'm better about it now; I wouldn't say I'm phobic anymore. But it does still play on my mind, even if it no longer prevents me from doing things. The fact that I actually have a very strong stomach and hardly EVER throw up probably makes the phobia worse, because I'm forever dreading the occasion of it happening, but with no events to look back on and think 'that wasn't so bad'. ... Although I did get sick last year after bingeing on Chinese food after being on an incredibly strict 6-foods-only diet for 8 weeks.
'Though I very rarely get stomach 'illnesses', I did suffer from lactose intolerance related colic as an infant, and stomach migraines all through my childhood (they matured into full on visual/headache classical migraines in my teens, and I still suffer them - although a low stomach ache is a symptom of one coming on). And I suffer from acid reflux, usually stress related, but sometimes just out of nowhere. I've had reflux/indigestion problems forever.
Interestingly, stomach problems and allergies run in the family. My grandfather was severely allergic to egg-whites (enough to put him in a coma when he was in the army, due to a vaccine he'd taken that had been incubated in egg white), and my great-aunt is allergic to strawberries. I'm not allergic to anything that I know of, but may have some intolerances that account for some of the reflux problems and unexplained stomache aches I tend to have.
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