Hi After I Had Sex Then Laid Down On A

Hi after I had sex then laid down on a hard floor my tailbone is incredibly sore it hurts to touch the area it hurts to walk or sit or drive or lay on it and the are feels swollen I am also a male by the way at first it didn't hurt but when I woke up the next morning I was in pain and I've had the pain for almost 6 days now and its getting worse