Get Virtual Care
  • Primary Care
  • Urgent Care
  • FAQs
  • Support Center
For Businesses
  • Direct Primary Care for Organizations
  • For DMEs and Pharmacies
  • For Health Plans
  • For Providers
About Us
  • Who We Are
  • Why HealthTap
  • Our Standards
  • Contact
Log in
Book a video appointment
Book now
  • Get Virtual Care

    • Primary Care
    • Urgent Care
    • FAQs
    • Support Center
  • For Businesses

    • Direct Primary Care for Organizations
    • For DMEs and Pharmacies
    • For Health Plans
    • For Providers
  • About Us

    • Who We Are
    • Why HealthTap
    • Our Standards
    • Contact
Log in to HealthTap
HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
Overview
Side Effects
Treats
Related questions
HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
Medications
Niacin

Niacin

Share

Link copied

Drug Class

Cholesterol lowering drug

Brands

Niacor • Niaspan

Side Effects

Common

Itchy rash
Abdominal pain
Flushing
Heartburn
Vomiting
Itching or burning
Nausea
Numbness or tingling
Paresthesia
Low blood pressure
Rash
Itchy skin

Serious

Hypersensitivity

Treats

Hyperlipidemia
4
1 review
High cholesterol
3
1 review
Familial hypercholesterolemia
3
1 review
Coronary artery disease
1.5
2 reviews

Related questions

A 34-year old asked:

What is flush free niacin?

1 doctor answer • 1 doctor weighed in

A 33-year old asked:

Is niacin flush dangerous?

1 doctor answer • 1 doctor weighed in

A 48-year old asked:

Do I need to be 18 to buy niacin?

1 doctor answer • 1 doctor weighed in

A 38-year old asked:

Is 500mg. Of niacin a day to much?

1 doctor answer • 1 doctor weighed in

A 30-year old asked:

Will 100mg of niacin clean your system?

1 doctor answer • 2 doctors weighed in

A 19-year old male asked:

How much Niacin can you take in one day?

1 doctor answer • 1 doctor weighed in

A 57-year old female asked:

Do you need to take niaspan (niacin) forever?

1 doctor answer • 3 doctors weighed in

A 42-year old asked:

What're the dangers of taking niaspan (niacin)?

1 doctor answer • 3 doctors weighed in

A member asked:

Please describe the medication: Niaspan (niacin)?

1 doctor answer • 1 doctor weighed in

A 38-year old asked:

Hello doctors, what does niacin do for your body?

1 doctor answer • 2 doctors weighed in

A 29-year old asked:

Where can i buy niacin that will not flush my face?

1 doctor answer • 3 doctors weighed in

A 33-year old asked:

Does non flush niacin work for clearing your system?

1 doctor answer • 2 doctors weighed in

A 38-year old asked:

Is it possible for you to take st john's wort and niacin?

1 doctor answer • 1 doctor weighed in

A 42-year old asked:

What to do if I took 3 caps of 400mg no flush niacin, am i gonna die?

2 doctor answers • 3 doctors weighed in

A 46-year old asked:

What to do if I take 500mg of niacin & 500 mcg of b 12 , is this too much ?

1 doctor answer • 1 doctor weighed in

A 18-year old female asked:

How does niacin help your body is it a good idea to take it daily For health?

2 doctor answers • 4 doctors weighed in

A 61-year old female asked:

Husband experiencing extreme itching taking niaspan (niacin). Anything else he can take?

2 doctor answers • 4 doctors weighed in

A 55-year old female asked:

I stopped taking Niaspan (niacin) 500mg after having several problems with it. I now feel sick and am very tired. Is this normal.

1 doctor answer • 1 doctor weighed in

A 42-year old male asked:

Niacin and cholesterol?

2 doctor answers • 4 doctors weighed in

A 22-year old male asked:

Do niacin 500mg increase blood flow?

1 doctor answer • 1 doctor weighed in

A 22-year old male asked:

Does niacin help speed up your metabolism?

1 doctor answer • 1 doctor weighed in

A 41-year old asked:

Can niacin really help children grow taller?

1 doctor answer • 2 doctors weighed in

A 45-year old asked:

What are the side effects of niaspan (niacin)?

1 doctor answer • 5 doctors weighed in

A 21-year old asked:

Does niacin therapy work for Meniere's disease?

1 doctor answer • 5 doctors weighed in

A 34-year old asked:

Need doctor's help! Will niacin keep you awake?

1 doctor answer • 1 doctor weighed in

A 39-year old asked:

Is the niacin considered as an essential nutrient?

2 doctor answers • 8 doctors weighed in

A 19-year old male asked:

Does none flush niacin help clear thc from system?

1 doctor answer • 3 doctors weighed in

A 18-year old female asked about a female:

Will niacin flush free clean out my system for thc?

2 doctor answers • 7 doctors weighed in

A 49-year old male asked:

Is Niaspan (niacin) a good treatment for cholesterol?

1 doctor answer • 2 doctors weighed in

A 42-year old asked:

Please help, how much niacin to take to induce a flush?

1 doctor answer • 1 doctor weighed in

HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited

For Businesses

Direct Primary Care for OrganizationsFor DMEs and PharmaciesFor Health PlansFor Providers

Company

About UsSupport CenterContact Us

Health Content

Health TopicsDoctor Q&A by Specialty

Join Us

For DoctorsJobs
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.