In particular, tell your doctor or pharmacist if you are taking any of the following: • medicines used to lower blood pressure. • medicines used to lower cholesterol called ‘ statins’, a class of medicine that works in the liver. • medicines used to lower cholesterol called ‘ bile acid sequestrants ’, such as colestyramine. • zidovudine, a medicine used for HIV. • midazolam, a medicine to make you sleepy before some medical procedures. • vitamins or supplements that contain nicotinic acid. • clopidogrel, a medicine to help prevent harmful blood clots.