The past couple weeks I've been having long, horribly vivid and detailed dreams about children being raped.

I started having weird dreams when I went on my current medication, but they're usually nonsensical, even when they're bad. I'm sure the medication has something to do with it, but why are these particular dreams so realistic? And why the subject matter? Where the hell is my brain getting these gruesome ideas?! I have never been sexually abused, I wasn't doing anything with children recently, nor even thinking about children or rape. Just...ugh! I feel like such a freak. Anyone have a possible explanation?
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"Your pain is the breaking of the shell that encloses your understanding. Even as the stone of the fruit must break, that its heart may stand in the sun, so must you know pain." Kahlil Gibran