-aspirin
-medicines for blood pressure, chest pain, or heart disease
-nitroglycerin
-nutritional supplements that contain niacin or nicotinamide
-other medicines to lower cholesterol or triglycerides

They need to know if you have any of these conditions:
-bleeding problems
-frequently drink alcoholic beverages
-liver disease
-ulcers of intestine or stomach
-an unusual or allergic reaction to niacin, other medicines, foods, dyes, or preservatives
-pregnant or trying or get pregnant
-breast-feeding

Visit your doctor or health care professional for regular checks on your progress. You may need regular tests to make sure your liver is working properly.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this drug affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.

Do not drink hot drinks or alcohol at the same time you take this medicine. Hot drinks and alcohol can increase the flushing caused by this medicine, which can be uncomfortable. Alcohol also can increase possible dizziness.

This drug is only part of a total heart-health program. Your doctor or a dietician can suggest a low-cholesterol and low-fat diet to help. Avoid alcohol and smoking, and keep a proper exercise schedule.

If you are diabetic, close monitoring of your blood sugars can help your blood fat levels. This medicine may change the way your diabetic medicine works, and sometimes will require that your dosages be adjusted. Check with your doctor or health care professional.

You may notice the empty shell of the tablet in your stool. This is no cause for concern.

Keep out of the reach of children.

Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Throw away any unused medicine after the expiration date.