People who should not take Niaspan include those with arterial disease, active peptic ulcer disease, or abnormally high liver enzymes, among other conditions. Since Niaspan is known to pass through breast milk, nursing is not recommended while taking Niaspan. Some other Niaspan precautions and warnings include side effects like flushing of the face and neck, potential drug interactions, and precautions for people with diabetes or gout.
An allergy to Niaspan, any other medications, foods, dyes (tartrazine), or preservatives.
It is also important to let your healthcare provider know if you are:
Pregnant or planning on becoming pregnant
Breastfeeding
A frequent user of alcoholic beverages.
Tell your healthcare provider about all the medicines you may currently be taking, including prescription and non-prescription medicines, vitamins, and herbal supplements. Some vitamins or nutritional supplements may contain niacin or related substances that can increase the side effects of Niaspan.