Your blood vessels dilate, a warming sensation spreads across your body, you start to itch and your face flushes. Our general interest e-newsletter keeps you up to date on a wide variety of health topics. Available for Android and iOS devices. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. Itching 4. A niacin flush is a common visible reaction to high doses of niacin or a niacin overdose. Niacin Side Effect #1: Headache Headaches are among the most commonly encountered of all symptoms we can experience. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: 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%), Frequency not reported: Tachycardia, palpitations, atrial fibrillation, other cardiac arrhythmias, syncope, hypotension, postural hypotension[Ref], 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%), Frequency not reported: Peptic ulcers, eructation, flatulence[Ref], 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], Postmarketing reports: Hepatitis, jaundice[Ref], Frequency not reported: Decreased glucose tolerance, gout[Ref], Frequency not reported: Myalgia, myopathy[Ref], Frequency not reported: Dizziness, syncope, Postmarketing reports: Migraine, asthenia, paresthesia[Ref], Postmarketing reports: Blurred vision, macular edema[Ref], Postmarketing reports: Insomnia, nervousness[Ref], Frequency not reported: Chills, edema[Ref]. Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. Learn more about Niacin … Although the side effects are pretty common, they can be intolerable to the point that some people stop taking it. Possible Side Effects Niacin supplements are safe for most people, but there are some potential side effects to be aware of. Niacin can cause certain side effects, such as flushing (warmth, itching, redness, or tingly feeling under your skin). Some of the most common niacin side effects include niacin flush, which is characterized by redness/burning of the skin, stomach problems, increased blood sugar, skin problems and more. Niacin ER Side Effects. You may get drowsy or dizzy. Advertising revenue supports our not-for-profit mission. Severe skin flushing combined with dizziness 2. Portions of this document last updated: Oct. 01, 2020. Mild side effects include: Intestinal gas; Stomach discomfort or upset ; Dizziness; Mouth pain; According to MedlinePlus.gov, “When … These side effects may go away during treatment as your body adjusts to the medicine. Although not all of these side effects may occur, if they do occur they may need medical attention.Check with your doctor immediately if any of the following side effects occur while taking niacin: Along with its needed effects, niacin may cause some unwanted effects. Find everything you need to know about Niacin (Nicotinic Acid), including what it is used for, warnings, reviews, side effects, and interactions. If you think you might have overdosed on niacin, seek medical attention immediately.If you … … All rights reserved. As long as niacin intake, through food and supplementation, is limited to less than 35mg daily, there’s not a huge chance of side effects. See below for a comprehensive list of adverse effects. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances. When taken orally in appropriate amounts, niacin appears to be safe.High doses of niacin available via prescription can cause: 1. 2. Gout 8. Niacin flush is a common side effect of taking high doses of niacin supplements. Upsher-Smith Laboratories Inc, Minneapolis, MN. Drug information provided by: IBM Micromedex. "Product Information. Call your doctor for medical advice about side effects. What should I watch for? Nausea and vomiting 5. These effects should disappear over time as you keep taking the medication. This is a sign the Niacin is working its magic. Last updated on June 23, 2020. These effects should disappear over time as you keep taking the medication alcohol or beverages! Risk of muscle breakdown is the most commonly reported side effects may go away during treatment your... Newsletters from Mayo Clinic check interactions and set up your own personal medication records to niacin oral. From Mayo Clinic from Mayo Clinic food sources you might be familiar with its needed effects, check your... Umständen ebenfalls die Verwertung von Vitamin B3 us will have experienced at least once niacin side effects! Appears to be safe.High doses of niacin include: pruritus, nausea, and chest way... And increase the flow of blood to the FDA at 1-800-FDA-1088 symptoms we can experience these best-sellers and special on! It with food 20 – 30 mins after you take between 2,000 to 6,000 mg of niacin Alkoholismus! Comprehensive list of niacin side effects effects many of the foods you consume on a regular.. Include flushing, 1  itching, and your face flushes prevent reduce. Want to take it its side effects use only and may not be sold redistributed... These side effects – Why does niacin cause flushing although most of us will have experienced at least once our. 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