My son had a reaction to a medicine a few years back. One those one in a million type things, where no one actually expects it to happen. Luckily my wife had an odd feeling and was watching him very closely. Got him in to the ER in time, but it was very scary. Had to take my Dad in one time too, due to a reaction. Considering you probably are in pretty good health and are fairly young, I wouldn't take it either.