Have any of you found out you were allergic to something after years of not knowing?

About three years ago, I was talking with some friends at work, about how much I like mushrooms but they're too spicy. They looked at me like I was crazy! Turns out, I'm allergic to them. On a side note, my doctor told me that in a lot of cases, heartburn can be an allergic reaction to certain foods. For example, peanuts give me heartburn.

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Primnproper · 56-60, F

Lemons..the peel and juice if it touches my skin. I can ingest them but if it gets near my skin I blister and have to have injections at the hospital.

WizardofOz · 26-30, M

@Primnproper Wow, that sounds horrible! Is it really painful?

Primnproper · 56-60, F

@WizardofOz yes the last time it happened I was at a party and went to do some washing up that I didn’t know was lemon and my hands and wrists blistered. I had a coarse of injections and my dressings changed twice a day. People looked at me as though I’d tried to commit suicide..

WizardofOz · 26-30, M

@Primnproper Is that type of reaction rare? I've never heard of anything like that.

Primnproper · 56-60, F

@WizardofOz apparently even it being lemons is rare..just typical of me.. lol