I take a multi vitamin,vitamin D,biotin,and niacin everyday,and the niacin gives you flushing,i get a whole body flush with this,redness,itching and it goes away about 20 minutes later,and its very very common with niacin,anyway,when i take the flexeril,i get a slight flushing,not like when i take my niacin,but just the neck area,which goes away soon,it doesnt bother me at all,but i was just wondering if anyone else has experienced this? or maybe it just slightly interacts with the niacin? btw,is flexeril a low muscle relaxer? I ask this because since i've taken it,ive notice no difference in my pain or spasms. thank you:)