Niacin SR Uses

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What is Niacin SR?

Niacin SR, also called nicotinic acid, is a B vitamin (vitamin B3). It occurs naturally in plants and animals, and is also added to many foods as a vitamin supplement. Niacin SR is also present in many multiple vitamins and nutritional supplements.

Niacin SR is used to treat and prevent a lack of natural Niacin SR in the body, and to lower cholesterol and triglycerides (types of fat) in the blood. It is also used to lower the risk of heart attack in people with high cholesterol who have already had a heart attack. Niacin SR is sometimes used to treat coronary artery disease (also called atherosclerosis).

Niacin SR may also be used for purposes not listed in this medication guide.

Niacin SR indications

An indication is a term used for the list of condition or symptom or illness for which the medicine is prescribed or used by the patient. For example, acetaminophen or paracetamol is used for fever by the patient, or the doctor prescribes it for a headache or body pains. Now fever, headache and body pains are the indications of paracetamol. A patient should be aware of the indications of medications used for common conditions because they can be taken over the counter in the pharmacy meaning without prescription by the Physician.
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Therapy with lipid-altering agents should be only one component of multiple risk factor intervention in individuals at significantly increased risk for atherosclerotic vascular disease due to hyperlipidemia. Niacin SR, USP therapy is indicated as an adjunct to diet when the response to a diet restricted in saturated fat and cholesterol and other nonpharmacologic measures alone has been inadequate.

1.
Niacin SR Extended-Release Tablets USP are indicated to reduce elevated TC, LDL-C, Apo B and TG levels, and to increase HDL-C in patients with primary hyperlipidemia and mixed dyslipidemia.
2.
In patients with a history of myocardial infarction and hyperlipidemia, Niacin SR, USP is indicated to reduce the risk of recurrent nonfatal myocardial infarction.
3.
In patients with a history of coronary artery disease (CAD) and hyperlipidemia, Niacin SR, USP, in combination with a bile acid binding resin, is indicated to slow progression or promote regression of atherosclerotic disease.
4.
Niacin SR Extended-Release Tablets USP in combination with a bile acid binding resin are indicated to reduce elevated TC and LDL-C levels in adult patients with primary hyperlipidemia.
5.
Niacin SR, USP is also indicated as adjunctive therapy for treatment of adult patients with severe hypertriglyceridemia who present a risk of pancreatitis and who do not respond adequately to a determined dietary effort to control them.

Limitations of Use

Addition of Niacin SR Extended-Release Tablets USP did not reduce cardiovascular morbidity or mortality among patients treated with simvastatin in a large, randomized controlled trial (AIM-HIGH).

How should I use Niacin SR?

Use Niacin SR controlled-release tablets as directed by your doctor. Check the label on the medicine for exact dosing instructions.

Ask your health care provider any questions you may have about how to use Niacin SR controlled-release tablets.

Uses of Niacin SR in details

There are specific as well as general uses of a drug or medicine. A medicine can be used to prevent a disease, treat a disease over a period or cure a disease. It can also be used to treat the particular symptom of the disease. The drug use depends on the form the patient takes it. It may be more useful in injection form or sometimes in tablet form. The drug can be used for a single troubling symptom or a life-threatening condition. While some medications can be stopped after few days, some drugs need to be continued for prolonged period to get the benefit from it.
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Niacin SR (nicotinic acid) is used to prevent and treat Niacin SR deficiency (pellagra). Niacin SR deficiency may result from certain medical conditions (such as alcohol abuse, malabsorption syndrome, Hartnup disease), poor diet, or long-term use of certain medications (such as isoniazid).

Niacin SR deficiency can cause diarrhea, confusion (dementia), tongue redness/swelling, and peeling red skin. Niacin SR 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 SR. Do not substitute unless directed by your doctor.

Check the ingredients on the label even if you have used the product before. The manufacturer may have changed the ingredients. Also, products with similar names may contain different ingredients meant for different purposes. Taking the wrong product could harm you.

OTHER USES: This section contains uses of this drug that are not listed in the approved professional labeling for the drug, but may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional.

Niacin SR may also be used to improve cholesterol and lower fat levels (triglycerides) in the blood under the care of your doctor. It is generally used after non-drug treatments have not been fully successful at lowering cholesterol. Doses for treating these blood fat problems are usually much higher than for dietary problems.

How to use B-3 Niacin SR

Take this medication by mouth with a low-fat meal or snack as directed by your doctor, usually 1-3 times daily. Taking Niacin SR on an empty stomach increases side effects (such as flushing, upset stomach). Follow all directions on the product package. If your doctor has prescribed this medication, take it as directed. If you are uncertain about any of the information, consult your doctor or pharmacist.

Niacin SR is available in different formulations (such as immediate and sustained release). Do not switch between strengths, brands, or forms of Niacin SR. Severe liver problems may occur.

Swallow extended-release capsules whole. Do not crush or chew extended-release capsules or tablets. Doing so can release all of the drug at once, increasing the risk of side effects. Also, do not split extended-release tablets unless they have a score line and your doctor or pharmacist tells you to do so. Swallow the whole or split tablet without crushing or chewing.

To lessen the chance of side effects such as flushing, avoid alcohol, hot beverages, and eating spicy foods near the time you take Niacin SR. Taking a plain (non-enteric coated, 325 milligram) aspirin or a nonsteroidal anti-inflammatory drug (such as ibuprofen, 200 milligrams) 30 minutes before taking Niacin SR may help prevent flushing. Ask your doctor if this treatment is right for you.

If you also take certain other drugs to lower cholesterol (bile acid-binding resins such as cholestyramine or colestipol), take Niacin SR at least 4 to 6 hours before or after taking these medications. These products interact with Niacin SR, preventing its full absorption. Continue to take other medications to lower your cholesterol as directed by your doctor.

The dosage is based on your medical condition and response to treatment. If you are taking this for lipid problems, your doctor may direct you to start this medication at a low dose and gradually increase your dose to reduce your risk of side effects. Your dose will need to be increased slowly even if you are already taking Niacin SR and are being switched from another Niacin SR product to this product. Follow your doctor's instructions carefully.

Do not stop taking this medicine unless instructed by your doctor. If you stop taking Niacin SR, you may need to return to your original dose and gradually increase it again. Ask your doctor or pharmacist for instructions on restarting your dose if you have not taken your medication for several days.

Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time(s) each day.

It is very important to continue to follow your doctor's advice about diet and exercise.

If your condition persists or worsens, or if you think you may have a serious medical problem, get medical help right away.

Niacin SR description

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A water-soluble vitamin of the B complex occurring in various animal and plant tissues. It is required by the body for the formation of coenzymes NAD and NADP. It has pellagra-curative, vasodilating, and antilipemic properties. [PubChem]

Niacin SR dosage

Niacin SR Extended-Release Tablets should be taken at bedtime, after a low-fat snack, and doses should be individualized according to patient response. Therapy with Niacin SR Extended-Release Tablets must be initiated at 500 mg at bedtime in order to reduce the incidence and severity of side effects which may occur during early therapy. The recommended dose escalation is shown in Table 1 below.

Table 1. Recommended Dosing

Week(s)

Daily Dose

Niacin SR Extended-Release Tablets Dosage

INITIAL

TITRATION

1 to 4

500 mg

1 Niacin SR Extended-Release 500 mg Tablet at bedtime

SCHEDULE

5 to 8

1000 mg

1 Niacin SR Extended-Release 1000 mg Tablet or

2 Niacin SR Extended-Release 500 mg Tablets at bedtime

*

1500 mg

2 Niacin SR Extended-Release 750 mg Tablets or

3 Niacin SR Extended-Release 500 mg Tablets at bedtime

*

2000 mg

2 Niacin SR Extended-Release 1000 mg Tablets or

4 Niacin SR Extended-Release 500 mg Tablets at bedtime

* After Week 8, titrate to patient response and tolerance. If response to 1000 mg daily is inadequate, increase dose to 1500 mg daily; may subsequently increase dose to 2000 mg daily. Daily dose should not be increased more than 500 mg in a 4-week period, and doses above 2000 mg daily are not recommended. Women may respond at lower doses than men.

Maintenance Dose

The daily dosage of Niacin SR Extended-Release Tablets should not be increased by more than 500 mg in any 4-week period. The recommended maintenance dose is 1000 mg (two 500 mg tablets or one 1000 mg tablet) to 2000 mg (two 1000 mg tablets or four 500 mg tablets) once daily at bedtime. Doses greater than 2000 mg daily are not recommended. Women may respond at lower Niacin SR Extended-Release Tablet doses than men.

Single-dose bioavailability studies have demonstrated that two of the 500 mg and one of the 1000 mg tablet strengths are interchangeable but three of the 500 mg and two of the 750 mg tablet strengths are not interchangeable.

Flushing of the skin may be reduced in frequency or severity by pretreatment with aspirin (up to the recommended dose of 325 mg taken 30 minutes prior to Niacin SR Extended-Release Tablet dose). Tolerance to this flushing develops rapidly over the course of several weeks. Flushing, pruritus, and gastrointestinal distress are also greatly reduced by slowly increasing the dose of Niacin SR and avoiding administration on an empty stomach. Concomitant alcoholic, hot drinks or spicy foods may increase the side effects of flushing and pruritus and should be avoided around the time of Niacin SR Extended-Release Tablet ingestion.

Equivalent doses of Niacin SR Extended-Release Tablets should not be substituted for sustained-release (modified-release, timed-release) Niacin SR preparations or immediate-release (crystalline) Niacin SR. Patients previously receiving other Niacin SR products should be started with the recommended Niacin SR Extended-Release Tablet titration schedule, and the dose should subsequently be individualized based on patient response.

If Niacin SR Extended-Release Tablet therapy is discontinued for an extended period, reinstitution of therapy should include a titration phase.

Niacin SR Extended-Release Tablets should be taken whole and should not be broken, crushed or chewed before swallowing.

Dosage in Patients with Renal or Hepatic Impairment

Use of Niacin SR Extended-Release Tablets in patients with renal or hepatic impairment has not been studied. Niacin SR Extended-Release Tablets are contraindicated in patients with significant or unexplained hepatic dysfunction. Niacin SR Extended-Release Tablets should be used with caution in patients with renal impairment.

Niacin SR interactions

See also:
What other drugs will affect Niacin SR?

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Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Some products that may interact with this drug include: "blood thinners" (such as warfarin, heparins).

Check all prescription and nonprescription medicine labels carefully since vitamins/dietary supplements may also contain Niacin SR or niacinamide (nicotinamide). These may increase your risk of side effects if taken together. Ask your doctor or pharmacist for more details.

This medication may interfere with certain laboratory tests (including urine or blood catecholamines, copper-based urine glucose tests), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use this drug.

Niacin SR side effects

See also:
What are the possible side effects of Niacin SR?

Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in the clinical studies of a drug cannot be directly compared to rates in the clinical studies of another drug and may not reflect the rates observed in practice.

Clinical Studies Experience

In the placebo-controlled clinical trials database of 402 patients (age range 21 to 75 years, 33% women, 89% Caucasians, 7% Blacks, 3% Hispanics, 1% Asians) with a median treatment duration of 16 weeks, 16% of patients on Niacin SR extended-release tablets and 4% of patients on placebo discontinued due to adverse reactions. The most common adverse reactions in the group of patients treated with Niacin SR extended-release tablets that led to treatment discontinuation and occurred at a rate greater than placebo were flushing (6% vs. 0%), rash (2% vs. 0%), diarrhea (2% vs. 0%), nausea (1% vs. 0%), and vomiting (1% vs. 0%). The most commonly reported adverse reactions (incidence > 5% and greater than placebo) in the Niacin SR extended-release tablets controlled clinical trial database of 402 patients were flushing, diarrhea, nausea, vomiting, increased cough and pruritus.

In the placebo-controlled clinical trials, flushing episodes (i.e., warmth, redness, itching and/or tingling) were the most common treatment-emergent adverse reactions (reported by as many as 88% of patients) for Niacin SR extended-release tablets. Spontaneous reports suggest that flushing may also be accompanied by symptoms of dizziness, tachycardia, palpitations, shortness of breath, sweating, burning sensation/skin burning sensation, chills, and/or edema, which in rare cases may lead to syncope. In pivotal studies, 6% (14/245) of Niacin SR extended-release tablet patients discontinued due to flushing. In comparisons of immediate-release (IR) Niacin SR and Niacin SR extended-release tablets, although the proportion of patients who flushed was similar, fewer flushing episodes were reported by patients who received Niacin SR extended-release tablets. Following 4 weeks of maintenance therapy at daily doses of 1500 mg, the incidence of flushing over the 4 week period averaged 8.6 events per patient for IR Niacin SR versus 1.9 following Niacin SR extended-release tablets.

Other adverse reactions occurring in ≥ 5% of patients treated with Niacin SR extended-release tablets and at an incidence greater than placebo are shown in Table 2 below.

Table 2. Treatment-Emergent Adverse Reactions by Dose Level in ≥ 5% of Patients and at an Incidence Greater Than Placebo; Regardless of Causality Assessment in Placebo-Controlled Clinical Trials
*
Pooled results from placebo-controlled studies; for Niacin SR extended-release tablets, n = 245 and median treatment duration = 16 weeks. Number of Niacin SR extended-release tablet patients (n) are not additive across doses.
Adverse reactions are reported at the initial dose where they occur.
The 500 mg/day dose is outside the recommended daily maintenance dosing range.
§
10 patients discontinued before receiving 500 mg, therefore they were not included.

Placebo-Controlled Studies

Niacin SR Extended-Release Tablets Treatment*

Recommended Daily

Maintenance Doses†

Placebo

(n = 157)

%

500 mg‡

(n = 87)

%

1000 mg

(n = 110)

%

1500 mg

(n = 136)

%

2000 mg

(n = 95)

%

Gastrointestinal Disorders

Diarrhea

13

7

10

10

14

Nausea

7

5

6

4

11

Vomiting

4

0

2

4

9

Respiratory

Cough, Increased

6

3

2

< 2

8

Skin and Subcutaneous Tissue Disorders

Pruritus

2

8

0

3

0

Rash

0

5

5

5

0

Vascular Disorders

Flushing§

19

68

69

63

55

Note: Percentages are calculated from the total number of patients in each column.

In general, the incidence of adverse events was higher in women compared to men.

Atherothrombosis Intervention in Metabolic Syndrome With Low HDL/High Triglycerides: Impact on Global Health Outcomes (AIM-HIGH)

In AIM-HIGH involving 3414 patients (mean age of 64 years, 15% women, 92% Caucasians, 34% with diabetes mellitus) with stable, previously diagnosed cardiovascular disease, all patients received simvastatin, 40 to 80 mg per day, plus ezetimibe 10 mg per day if needed, to maintain an LDL-C level of 40 to 80 mg/dL, and were randomized to receive Niacin SR extended-release tablets 1500 to 2000 mg/day (n = 1718) or matching placebo (IR Niacin SR, 100 to 150 mg, n = 1696). The incidence of the adverse reactions of “blood glucose increased” (6.4% vs. 4.5%) and “diabetes mellitus” (3.6% vs. 2.2%) was significantly higher in the simvastatin plus Niacin SR extended-release tablets group as compared to the simvastatin plus placebo group. There were 5 cases of rhabdomyolysis reported, 4 (0.2%) in the simvastatin plus Niacin SR extended-release tablets group and one (< 0.1%) in the simvastatin plus placebo group.

Postmarketing Experience

Because the below reactions are reported voluntarily from a population of uncertain size, it is generally not possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

The following additional adverse reactions have been identified during post-approval use of Niacin SR extended-release tablets:

Hypersensitivity reactions, including anaphylaxis, angioedema, urticaria, flushing, dyspnea, tongue edema, larynx edema, face edema, peripheral edema, laryngismus, and vesiculobullous rash; maculopapular rash; dry skin; tachycardia; palpitations; atrial fibrillation; other cardiac arrhythmias; syncope; hypotension; postural hypotension; blurred vision; macular edema; peptic ulcers; eructation; flatulence; hepatitis; jaundice; decreased glucose tolerance; gout; myalgia; myopathy; dizziness; insomnia; asthenia; nervousness; paresthesia; dyspnea; sweating; burning sensation/skin burning sensation; skin discoloration, and migraine.

Clinical Laboratory Abnormalities

Chemistry: Elevations in serum transaminases, LDH, fasting glucose, uric acid, total bilirubin, amylase and creatine kinase, and reduction in phosphorus.

Hematology: Slight reductions in platelet counts and prolongation in prothrombin time.

To report SUSPECTED ADVERSE REACTIONS contact AvKARE, Inc. at 1-855-361-3993; email drugsafety@avkare.com; or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

Niacin SR contraindications

See also:
What is the most important information I should know about Niacin SR?

Niacin SR extended-release tablets are contraindicated in the following conditions:
Active liver disease or unexplained persistent elevations in hepatic transaminases
Patients with active peptic ulcer disease
Patients with arterial bleeding
Hypersensitivity to Niacin SR or any component of this medication

Active ingredient matches for Niacin SR:

Niacin

Niacin )


List of Niacin SR substitutes (brand and generic names)

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Unit description / dosage (Manufacturer)Price, USD
Tablet; Oral; Vitamin B3 / Niacin 500 mg (Upsher-smith)
100 tablet in 1 bottle (Upsher-smith)
Niacor tablet 500 mg/1 (Upsher-smith)
NIADRIVE tab 375 mg x 10's (Sun)$ 0.79
NIADRIVE tab 500 mg x 10's (Sun)$ 1.03
Tablet, Extended Release; Oral; Vitamin B3 / Nicotinic Acid 1 g (Abbott)
Tablet, Extended Release; Oral; Vitamin B3 / Nicotinic Acid 375 mg (Abbott)
Tablet, Extended Release; Oral; Vitamin B3 / Nicotinic Acid 500 mg (Abbott)
Tablet, Extended Release; Oral; Vitamin B3 / Nicotinic Acid 750 mg (Abbott)
Niaspan 375 mg x 28's (Abbott)
Niaspan 500 mg x 28's (Abbott)
Niaspan 1000 mg x 28's (Abbott)
Niaspan / coated 500 mg x 90's (Abbott)
Niaspan 1000 mg x 90's (Abbott)
Niaspan 375 mg x 2 x 14's (Abbott)$ 11.46
Niaspan 375 mg x 4 x 14's (Abbott)
Niaspan 375 mg x 9 x 14's (Abbott)
Niaspan 500 mg x 2 x 14's (Abbott)$ 14.73
Niaspan 500 mg x 4 x 14's (Abbott)
Niaspan 500 mg x 9 x 14's (Abbott)
Niaspan 750 mg x 2 x 14's (Abbott)
Niaspan 750 mg x 9 x 14's (Abbott)
Niaspan 750 mg x 4 x 14's (Abbott)
Niaspan 1000 mg x 2 x 14's (Abbott)
Niaspan 1000 mg x 4 x 14's (Abbott)
Niaspan 1000 mg x 9 x 14's (Abbott)
100 tablet in 1 bottle (Abbott)
90 tablet in 1 bottle (Abbott)
Niaspan ER tab 500 mg 30's (Abbott)
Niaspan tablet / extended-release 500 mg (Abbott)
Niaspan tablet, film coated, extended release 500 mg/1 (Abbott)
Niaspan tablet, film coated, extended release 1000 mg/1 (Abbott)
Niaspan tablet / extended-release 1000 mg (Abbott)
Niaspan tablet, film coated, extended release 750 mg/1 (Abbott)
Niaspan tablet / extended-release 750 mg (Abbott)
Niaspan ER tablet, film coated, extended release 500 mg/1 (Lake Erie Medical DBA Quality Care Products LLC (US))
NICOGLOW 250 MG TABLET 1 strip / 10 tablets each (Glowderma Labs Pvt Ltd)$ 0.95

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