Thanks for your question.
Niaspan is a long acting formulation of Nicotinic Acid, which has been shown to lower cholesterol, LDL, as well as raise HDL.
Nicotinic acid would have to be taken more than once a day and is associated with a higher rate of flushing, the most common side effect of nicotinic acid. Niaspan, on the other hand, can be taken once a day, and has a lower rate of flushing. If flushing does occur, it usually dissipates over two to four weeks.
Niaspan is not available as a generic at this time.
Martin Cane, M.D.
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