Niacin used in the treatment of hyperlipidemia - what levels increase/decrease? Side effects? a) Increase HDL; Decrease LDL; Flushing, Hyperglycemia b) Increase HDL; Increase LDL; Hepatotoxicity, Myopathy c) Increase LDL; Decrease HDL; Flushing, Hepatotoxicity d) Decrease LDL; Increase HDL; Hepatotoxicity, Myopathy