Niacin - Indications, Dosage, Side Effects and Precautions

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Information about Niacin

Generic Name : Niacin
Up-to-date prescription details regarding Niacin are provided here.
Pronunciation : nye' a sin
Learn the correct pronunciation of the Niacin, understand it's uses, recommended dosages, its indications, how to take, when to take, when not to take, side effects, special precautions, warnings and its and its storage instructions.
You will also find a list of the medication's International and Indian brand or trade names, as well as its pricing information. For verification of the information presented on this page or for additional clarifications, it's advisable to consult your doctor.
ICD Code : Y51.1 | Therapeutic Classification : Vitamins

Trade Names/Brand Names of Niacin

India : 


International : 

Niacor, Niaspan, Slo-Niacin, Nicolar

Why is Niacin Prescribed? (Indications)

This medication is an antihyperlipidemic agent, prescribed for hyperlipidemia.  Niacin is a B-complex vitamin.


When should Niacin not be taken? (Contraindications)

Contraindicated in patients with ulcer, severe liver disease, arterial bleeding, and hypersensitivity.

What is the dosage of Niacin?

Adult: PO-The daily dosage is 500 mg in any 4—week period. The recommended maintenance dose is 1000 to 2000mg.

How should Niacin be taken?

It comes as a tablet, capsule, and liquid to take by mouth, with food.

What are the warnings and precautions for Niacin?

• Caution should be exercised in patients with history of chest pain, sugar, increased eye pressure, gout, recent heart attack, kidney or liver problems, low blood pressure, low blood minerals, muscle problems, peptic ulcers, thyroid deficiency, any allergy, who are taking other medications, children, during pregnancy and breastfeeding.

• It may cause dizziness or lightheadedness, do not drive a car or operate machinery while taking this medication.

• Avoid alcohol consumption.

• It may affect blood counts, avoid bruising or injury.

What are the side effects of Niacin?

   Most Common : Flushing, diarrhea, nausea, vomiting, increased cough and itching.
   Gastrointestinal : Diarrhea, nausea, vomiting and increased cough.
   Skin : Rash.
   Heart : Flushing.

What are the other precautions for Niacin?

Avoid excess dosage.

What are the storage conditions for Niacin?

Store it at room temperature 20° to 25°C.

Last Updated : August 11, 2022
Learn more about Niacin's interaction with Alcohol

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nick carro, Armenia

is niacin slow release capsule 500mg three times a day harmful to the body?

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