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The original was posted on /r/tifu by /u/franciosmardi on 2026-03-09 21:45:27+00:00.
Woke up at 3:45 with mild back pain. I was snoring loudly, so I slept on the couch soy wife could get a good night sleep. So at first I thought it was just from sleeping in a slightly off position.
Within 5 minutes, the pain was excruciating, had severe nausea and was dry heaving. Woke up my wife and had her take me to the ER. For the next 4 hours I was in the worst pain I've ever felt. I tried everything to get in any position which was a little more comfortable, but nothing helped and I was rolling on the floor, shaking and moaning in pain.
It was a Kidney stone. I had one once before and it was painful, but nothing like this. Even morphine and Oxycodone did nothing to reduce the pain. Now I'm home, and still in significant discomfort, but it is manageable.
So where does spinach come in? Spinach is high in oxalate, which forms Calcium Oxalate with the calcium found in urine. And in an attempt to be healthy, I eat a spinach salad every morning for breakfast. So my healthy breakfast habit made me miserable.
Edit: since people keep bringing it up, I drink a lot of water, 3-4L every day. Water is 99.9% of what I drink. I have a lemonade or ginger beer a couple times per month, but otherwise water.
TL;DR: eating spinach every day for breakfast likely gave me a kidney stone.