This increases your risk of side effects. Your doctor may start you on a lowered dose or a different medication schedule. This can help keep levels of this drug from building up too much in your body. However, because drugs affect each person differently, we cannot guarantee that this list includes all possible dosages. Always speak with your doctor or pharmacist about dosages that are right for you. High cholesterol levels put you at a higher risk for heart attack and stroke.
For this drug to work well, a certain amount needs to be in your body at all times. If you take too much: You could have dangerous levels of the drug in your body. You may have the following symptoms:.
If your symptoms are severe, call or go to the nearest emergency room right away. What to do if you miss a dose: Take your dose as soon as you remember. But if you remember just a few hours before your next scheduled dose, take only one dose. Never try to catch up by taking two doses at once. This could result in dangerous side effects. Your doctor may adjust your dose depending on your cholesterol levels.
A prescription for this medication is refillable. You should not need a new prescription for this medication to be refilled. Your doctor will write the number of refills authorized on your prescription. This monitoring may be done using three tests:. This can reduce your risk of flushing reddening and warming of your face. There are other drugs available to treat your condition. Some may be better suited for you than others.
Talk to your doctor about other drug options that may work for you. Disclaimer: Healthline has made every effort to make certain that all information is factually correct, comprehensive, and up-to-date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional.
You should always consult your doctor or other healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects.
The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses. High doses of niacin can cause niacin flush, which appears as red skin that may itch or burn.
Vitamin D has numerous health benefits, but it's tricky to know which supplement to choose. Here are 13 of the best vitamin D supplements, according….
This is a detailed review of vitamin D toxicity and how much vitamin D is considered too much. Toxicity is rare, but can occur with extremely high….
When taken in safe doses, magnesium can effectively prevent migraines for many people. Learn more about if it's right for you. Folic acid supplements are generally safe — unless you take too much.
Here are 4 folic acid side effects you should know about. Women over the age of 50 have increased needs for several vitamins and minerals. Here are the 10 best multivitamins for women over Taking certain dietary supplements may be beneficial for lung health.
See which vitamins our registered dietitian recommends as the best for…. Gummy vitamins are increasingly popular. This article tells you whether they are good or bad for your health.
The recommended daily amount of niacin for adult males is 16 milligrams mg a day and for adult women who aren't pregnant, 14 mg a day. Niacin deficiency has been linked to birth defects. A study in mice suggested that niacin supplementation during gestation prevented birth defects.
Research is needed to prove a similar benefit in humans. Prescription niacin might benefit people with high cholesterol who aren't able to take statins or haven't been able to control their cholesterol levels through use of a statin, diet and exercise. Don't take prescription niacin for high cholesterol if you're pregnant. Serious side effects are most likely if you take between 2, to 6, mg of niacin a day.
If you think you might have overdosed on niacin, seek medical attention immediately. If you have liver disease, peptic ulcer disease or severe low blood pressure hypotension , don't take large amounts of niacin.
The supplement has been linked with liver damage, can cause hypotension and might activate a peptic ulcer. Taking niacin also might worsen allergies, gallbladder disease and symptoms of certain thyroid disorders. If you have diabetes, niacin can interfere with blood glucose control. Use niacin with caution if you have the complex form of arthritis gout. Niacin can cause an excess of uric acid in the blood hyperuricemia , putting you at risk of gout.
If you're pregnant, don't take prescription niacin for high cholesterol. However, if needed to prevent or treat niacin deficiency, niacin is likely safe to take during pregnancy and in breast-feeding women when used in recommended amounts. There is a problem with information submitted for this request. Sign up for free, and stay up-to-date on research advancements, health tips and current health topics, like COVID, plus expert advice on managing your health.
Error Email field is required. Error Include a valid email address. To provide you with the most relevant and helpful information and to understand which information is beneficial, we may combine your e-mail and website usage information with other information we have about you.
Error Email field is required. Error Include a valid email address. To provide you with the most relevant and helpful information and to understand which information is beneficial, we may combine your e-mail and website usage information with other information we have about you.
If we combine this information with your PHI, we will treat all of that information as PHI, and will only use or disclose that information as set forth in our notice of privacy practices. You may opt-out of e-mail communications at any time by clicking on the Unsubscribe link in the e-mail. Our Housecall e-newsletter will keep you up-to-date on the latest health information. Mayo Clinic does not endorse companies or products.
Advertising revenue supports our not-for-profit mission. Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. Mayo Clinic is a nonprofit organization and proceeds from Web advertising help support our mission. Mayo Clinic does not endorse any of the third party products and services advertised. A single copy of these materials may be reprinted for noncommercial personal use only.
This content does not have an English version. This content does not have an Arabic version. See more conditions. Request Appointment. Niacin overdose: What are the symptoms? Products and services. I take niacin to treat my cholesterol. Should I be concerned about a potential niacin overdose? Answer From Katherine Zeratsky, R. With Katherine Zeratsky, R. Thank you for Subscribing Our Housecall e-newsletter will keep you up-to-date on the latest health information.
0コメント