WOW! i took about 25mgs of liquid cialis other night cause i planned a long night of sex. well about half hour after taking it, i got light headed, hands and arms went numb and tingly, and i started shaking and sweating uncontrollibly. I actually was going in and out of consiousness for a while. This went on for about 1.5 hrs! my girlfriend wanted to call 911. WOW i cant believe it. has this happened to anyone else???