Niacin (By mouth)
Antihyperlipidemic, Nutriceutical, Nutritive Agent (About this – PubMed Health)
Uses of This Medicine
Niacin is used alone or with other medicines to treat high cholesterol and triglyceride (fat-like substances) levels in the blood. This may help prevent the development of pancreatitis (inflammation of the pancreas) and other problems caused by high levels of cholesterol and triglycerides in the blood. Niacin is also used to help lower risk of heart attack in patients with a history of heart attack and hyperlipidemia.
This medicine is available only with your doctor’s prescription.
Other uses (PubMed Health)
How To Use
Capsule, Long Acting Capsule, Liquid, Tablet, Long Acting Tablet
Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.
Take this medicine at bedtime with a low-fat snack. This will help decrease stomach upset.
Follow the instructions on the medicine label if you are using this medicine without a prescription.
Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.
Extended-release tablet or capsule: Swallow whole. Do not crush, break, or chew it.
Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.
Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Some foods and medicines can affect how niacin works. Tell your doctor if you are using any of the following:Blood pressure medicine Blood thinner (including warfarin) Statin medicine Vitamins or other supplements that contain niacin
Avoid hot drinks, alcohol, and spicy foods around the time that you take niacin. This will decrease flushing.
When Not To Use
This medicine is not right for everyone. Do not use it if you had an allergic reaction to niacin.
Tell your doctor if you are pregnant or breastfeeding, or if you have liver disease, kidney disease, diabetes, gout, heart disease, angina, low blood pressure, thyroid problems, bleeding problems, or stomach ulcers.
This medicine may cause the following problems:Liver problems Rhabdomyolysis (serious muscle problem when used with statin medicine) High blood sugar levels
This medicine may make you dizzy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you. Stand or sit up slowly.
If you need to stop taking extended-release niacin, even for a short time, talk to your doctor before you start taking it again. You may need to start back on a lower dose.
Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.
Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
Keep all medicine out of the reach of children. Never share your medicine with anyone.
Possible side effects
Summary More details
Call your doctor right away if you notice any of these side effects:
Muscle pain, tenderness, or weakness
Unusual bleeding or bruising
If you notice these less serious side effects, talk with your doctor:
Mild nausea or vomiting, diarrhea
If you notice other side effects that you think are caused by this medicine, tell your doctor.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
More side effects of this drug
Brand names include
GNC Niacin 250, GNC Niacinamide 100, Good Neighbor Pharmacy Natural Niacin, Nature’s Blend Niacin, Niacinol, Niacor, Niaspan, Nicotinex, PharmAssure Niacin, Rite Aid Niacin, Rite Aid Niacin 500, Slo-Niacin
There may be other brand names for this medicine.