Wash down with one ALKA-SELTZER in a small glass of water. Best & oldest system for most people.
This registry is a place to share positive or negative side effects of using Niaspan ER. If you directly experienced a side effect while using Niaspan ER, then we encourage you to enter it here. Please note that entries here are the experiences of individual users, and in no way means that you or anyone else will experience the same side effect, since the same medication affects people in different ways. Please always contact your physician.
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