Chunky peanut butter causing severe heartburn?

All of a sudden I have horrible chest pains after eating chunky peanut butter. This has happened twice or three times; I think I get the message that I shouldn't eat it. It feels like severe heartburn, but I don't see anything on the Web listing peanut butter as a heartburn-causing food. Could something... show more All of a sudden I have horrible chest pains after eating chunky peanut butter. This has happened twice or three times; I think I get the message that I shouldn't eat it. It feels like severe heartburn, but I don't see anything on the Web listing peanut butter as a heartburn-causing food. Could something else be going on?
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