PMDD is NOT PMS - AND Why Saying "It's Just Bad PMS" Can Be Dangerous "It's just bad PMS," they said, trying to be helpful. I smiled politely, but inside I felt that familiar ache of being misunderstood. Like many others with PMDD symptoms, I've heard this well-meaning but oversimplified comparison countless times. While the intention might be to relate and comfort, this common misconc[...]