What is the FIFA rule regarding red cards in a game?

Answer 1

if a player already has a yellow card, and then gets a second yellow . that is classified as a red card. another way of getting a red card is if a player does a really nasty action like biting,punching or even doing a really bad foul then he will get a red card.the consequence of this is he will not play for the rest of match and not play in the next match .

Answer 2

If you get a red card..... Your off!