Niacin (Nicotinamide, Nicotinic Acid, Vitamin B3, Novo-Niacin® )

Other Names: Nicotinamide, Nicotinic Acid, Vitamin B3, Novo-Niacin®

What is Niacin Used For?

Niacin is used to help lower high "bad" cholesterol (called LDL cholesterol) and fat levels in the blood. It is also used to raise levels of "good" cholesterol (called HDL cholesterol). This may help prevent medical problems caused by cholesterol and fat clogging the blood vessels. Niacin will not cure your condition but it does help to control it. You must continue to take it as directed if you expect to keep your cholesterol levels down.

How Do You Take Niacin?

Niacin is available in various strengths without a prescription. However, it is best to take it only under your doctor's direction so that you can be sure you are taking the correct dose. If this medicine upsets your stomach, it may be taken with meals or milk.

What Special Instructions Do You Need To Know?

• If you miss a dose, take the missed dose as soon as you remember. However, if it is only a few hours until it is time for the next dose, skip the missed dose and follow your regular dosing times. Do not take a double dose to make up for a missed dose.
• It is important that your doctor check your progress at regular visits to see if the medicine is working properly.
• Do not stop taking Niacin without first checking with your doctor. When you stop taking this medicine, your blood cholesterol levels may increase again.
• You should not take Niacin if you are being treated for a stomach ulcer or have severe liver disease. Let your doctor know if you have a history of gout or diabetes, as these conditions may be worsened with the use of Niacin.

Are There Side Effects From Taking Niacin?

• Contact your doctor if you develop the following symptoms: darkening of urine; light gray-colored stools; loss of appetite; severe stomach pain; yellow eyes or skin.
• Other minor side effects include a feeling of warmth, flushing or redness of skin, especially on the face and neck. Talk to your doctor or pharmacist about how to minimize flushing if it is very bothersome.
• This medicine may cause you to feel dizzy or faint, especially when changing from a lying to a sitting position. Getting up slowly may help. This effect should lessen as your body gets used to the medicine.
• With high doses, the following may occur: dryness, itching of skin; joint pain, muscle aching or cramping; nausea or vomiting, diarrhea; side, lower back or stomach pain; swelling of the feet or lower legs, unusual tiredness or weakness. These do not usually require medical attention. If these symptoms persist or become bothersome, contact your doctor.

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This information is designed for use in conjunction with teaching by a qualified health professional.
Prepared by: Cardiology Pharmacist's Group

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Reviewed by Alberta clinical experts. Brought to you by HealthLink Alberta. Copyright.
This material is designed for information purposes only. It should not be used in place of medical advice, instruction and/or treatment. For more health advice call Capital Health Link at 780-408-LINK (5465) 24 hours a day, seven days a week. In Alberta, call Toll-free: 1-866-408-LINK (5465)