My doctor wants to put me on niaspan since my liprotein a is 144, however my total cholosterol is 142, my good cholosterol is 50, I m 36 year old female, I m scared to take niaspan since it causes flushing, and can elevated my liver , my liver was at 61 elevated. I m 5 6 , 150 lbs, average good health, should I take it? Or is something else I can do.