Niaspan Side Effects
Generic name: niacin
Medically reviewed by Drugs.com. Last updated on Jul 26, 2021.
Note: This document contains side effect information about niacin. Some dosage forms listed on this page may not apply to the brand name Niaspan.
Applies to niacin: oral tablets.
Side effects include:
For Healthcare Professionals
Applies to niacin: compounding powder, oral capsule, oral capsule extended release, oral liquid, oral tablet, oral tablet extended release.
Very common (10% or more): Flushing (i.e., warmth, redness, itching, and/or tingling) (up to 88%)
Common (1% to 10%): Rash, pruritus
Frequency not reported: Sweating, skin burning sensation, maculopapular rash, dry skin
Postmarketing reports: Skin discoloration[Ref]
Very common (10% or more): Diarrhea (up to 14%), nausea (up to 11%)
Common (1% to 10%): Vomiting
Postmarketing reports: Slight reductions in platelet counts, prothrombin time prolonged[Ref]
Postmarketing reports: Hypersensitivity reactions (e.g., anaphylaxis, angioedema, urticaria, flushing, dyspnea, tongue edema, larynx edema, face edema, peripheral edema, laryngismus, vesiculobullous rash)[Ref]
Frequency not reported: Myalgia, myopathy[Ref]
Frequency not reported: Dizziness, syncope
Postmarketing reports: Blurred vision, macular edema[Ref]
Frequency not reported: Chills, edema[Ref]
Common (1% to 10%): Cough increased
Frequency not reported: Dyspnea[Ref]
Frequently asked questions
More about Niaspan (niacin)
- Check interactions
- Compare alternatives
- Reviews (29)
- Drug images
- Dosage information
- During pregnancy
- Drug class: miscellaneous antihyperlipidemic agents
Related treatment guides
1. "Product Information. Niacin (niacin)." 21st Century Healthcare Inc (2017):
2. "Product Information. Niacor (niacin)." Upsher-Smith Laboratories Inc (2017):
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Some side effects may not be reported. You may report them to the FDA.