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Drug Interactions and Side Effects of Niac  Niac has 46 Side Effects total
12 are Life Threatening
9 Occur Most Frequently
Uses of Niac |
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| | Niac is also known by the generic name Inositol Niacinate
Niac is also known by the generic name Niacin
USES:
Niacin (nicotinic acid) is used to prevent and treat niacin deficiency (pellagra). Niacin deficiency may result from certain medical conditions (e.g., alcohol abuse, malabsorption syndrome, Hartnup disease), poor diet, or long-term use of certain medications (e.g., isoniazid).
Niacin deficiency can cause diarrhea, confusion (dementia), tongue redness/swelling, and peeling red skin. Niacin is also known as vitamin B3 , one of the B-complex vitamins. Vitamins help to support the body's ability to make and break down natural compounds (metabolism) needed for good health. Niacinamide (nicotinamide) is a different form of vitamin B3 and does not work the same as niacin. Do not substitute unless directed by your doctor.
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Niac has 12 Life Threatening (Critical) Side Effects |
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| | Critical Seriousness - A Spasm of the Larynx - Laryngismus is a Life Threatening Side Effect of Niac Critical Seriousness - Abnormal Liver Function Tests - Abnormal Hepatic Function Tests is a Life Threatening Side Effect of Niac Critical Seriousness - Blockage of Normal Bile Flow - Cholestasis is a Life Threatening Side Effect of Niac Critical Seriousness - Giant Hives - Angioedema is a Life Threatening Side Effect of Niac Critical Seriousness - Hepatitis caused by Drugs - Drug-Induced Hepatitis is a Life Threatening Side Effect of Niac Critical Seriousness - Hives - Urticaria is a Life Threatening Side Effect of Niac Critical Seriousness - Life Threatening Allergic Reaction - Anaphylaxis is a Life Threatening Side Effect of Niac Critical Seriousness - Muscle Disease - Myopathy is a Life Threatening Side Effect of Niac Critical Seriousness - Numbness and Tingling - Paresthesia is a Life Threatening Side Effect of Niac Critical Seriousness - Trouble Breathing - Dyspnea is a Life Threatening Side Effect of Niac Critical Seriousness - Visible Water Retention - Edema is a Life Threatening Side Effect of Niac Critical Seriousness - Yellowing of Skin or Eyes from Liver Problems - Jaundice is a Life Threatening Side Effect of Niac |
Niac has 9 Most Frequently Occurring Side Effects |
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| | Cough is a Frequently Occurring Side Effect of Niac Diarrhea is a Frequently Occurring Side Effect of Niac Feel Like Throwing Up - Nausea is a Frequently Occurring Side Effect of Niac Head Pain - Headache Disorder is a Frequently Occurring Side Effect of Niac Indigestion - Dyspepsia is a Frequently Occurring Side Effect of Niac Inflammation of the Nose - Rhinitis is a Frequently Occurring Side Effect of Niac Itching - Pruritus of Skin is a Frequently Occurring Side Effect of Niac Temporary Redness of Face and Neck - Flushing is a Frequently Occurring Side Effect of Niac Throwing Up - Vomiting is a Frequently Occurring Side Effect of Niac |
Niac Drug-Drug Interactions |
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| | Niac has interactions of severe seriousness with 0 drug(s):
Niac has interactions of serious seriousness with 29 drug(s).
Niac has interactions of moderate seriousness with 0 drug(s).
Niac has interactions of unknown seriousness with 0 drug(s).
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Niac has 15 Condition Contraindications |
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| | If you have any of these Conditions then you should carefully evaluate the risks of taking Niac.
Niac Oral Contraindications
(grouped by decreasing seriouosness level)
Absolute Contraindications 
Arterial Hemorrhage - Bleeding from an Artery is a contraindication of Niac.
Disease of Liver - Liver Problems is a contraindication of Niac.
Peptic Ulcer - Ulcer from Stomach Acid is a contraindication of Niac.
Relative Contraindications
Abnormal Hepatic Function Tests - Abnormal Liver Function Tests is a contraindication of Niac.
Alcoholism - Habit of Drinking Too Much Alcohol is a contraindication of Niac.
Blood Coagulation Disorder - Blood Clotting Disorder is a contraindication of Niac.
Myocardial Infarction - Heart Attack is a contraindication of Niac.
Unstable Angina Pectoris - Unpredictable Severe Constricting Chest Pain is a contraindication of Niac.
Contraindication Warnings
Coronary Artery Disease - Disease of the Arteries of the Heart is a contraindication of Niac.
Diabetes Mellitus - Diabetes is a contraindication of Niac.
Gout is a contraindication of Niac.
Hyperglycemia - High Blood Sugar is a contraindication of Niac.
Hypophosphatemia - Low Amount of Phosphate in the Blood is a contraindication of Niac.
Hypotension - Abnormally Low Blood Pressure is a contraindication of Niac.
Severe Thrombocytopenia - Severely Decreased Platelets is a contraindication of Niac. |
Niac has 25 related brands and strengths: |
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| | Endur-Acin 250 Mg Tab
Endur-Acin 500 Mg Tab
Niacin 100 Mg Tab
Niacin 250 Mg Tab
Niacin 50 Mg Tab
Niacin 500 Mg Tab
Niacin Er 1,000 Mg 24 Hr Tab
Niacin Er 1,000 Mg Tab
Niacin Er 125 Mg Cap
Niacin Er 250 Mg Cap
Niacin Er 250 Mg Tab
Niacin Er 400 Mg Cap
Niacin Er 500 Mg 24 Hr Tab
Niacin Er 500 Mg Cap
Niacin Er 500 Mg Tab
Niacin Er 750 Mg 24 Hr Tab
Niacin Er 750 Mg Tab
Niacin Oral Powder
Niacor 500 Mg Tab
Niaspan Extended-Release 1,000 Mg 24 Hr Tab
Niaspan Extended-Release 500 Mg 24 Hr Tab
Niaspan Extended-Release 750 Mg 24 Hr Tab
Slo-Niacin 250 Mg Tab
Slo-Niacin 500 Mg Tab
Slo-Niacin 750 Mg Tab
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Niac - Symptoms of overdose may include
If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly.
Contact poison control
If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly.
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