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Comment by amelius | Hacker News Reader

Offtopic. I recently bought a juicer. But turns out that after drinking one glass of fresh orange juice, my face turns pale, and I start sweating. It's nothing serious (I hope), but curious if anyone can recognize/explain this phenomenon? I have no such effect when eating large amounts of sugar. And I have no known allergies (recently tested in the hospital for another issue).

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… did you ask a doctor about this? You should be asking a doctor about this. Not people like me, who'll tell you this sounds like a potential vitamin overdose or something.

Yes, thanks, I'm aware of the perils of internet medical advice; I just wanted to be a little more informed before I visit my doc again!

You may have developed an allergy to Oranges. I grew up drinking orange juice and eating oranges my whole life and a few years ago I developed an allergy to them and a bunch of other common foods. I'd bring it up with your doctor and get tested for it (along with other common foods). Apparently an allergy to oranges is fairly common.

...and it usually occurs with an allergy to other citrus fruits, seeing as they contain much of the same chemicals.

Look into oral-allergy syndrome. When I've experienced it, it has only meant that I hadn't had X (oranges, celery, etc.) in a long time and it would dissipate as I ate more X.

Possibly stupid question: Did you thoroughly clean and wash the juicer first? Might have been some residue from manufacturing.

Restaurants always advertise "Freshly Squeezed" orange juice on their menus, but that's become meaningless. I like to ask the waitstaff "Was your orange juice squeezed here, on the premises?". If the answer is "no" I usually order something else.

also not to forget the insecticide residues on the oranges themselves

Err.. Definitely ask a doctor first, but after I would ask if you turn pale after simply eating that amount of oranges

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