Be Aware That Biotin May Skew Lab Test Results

February 2018

Patients will ask you whether the B vitamin biotin may interfere with lab tests.

Many lab assays use biotin...so it's not a big surprise that high biotin blood levels may skew results.

For example, biotin can cause falsely low TSH or PSA levels...or falsely high free T3 or T4, folate, or testosterone levels.

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Table of Contents

Diabetes Look for New GLP-1 Agonists for Type 2 Diabetes
Monitoring Compare FreeStyle Libre and Other Continuous Glucose Monitors
Women's Health Ease Fears About Breast Cancer Risk With Hormonal Contraception
Natural Health Products Be Aware That Biotin May Skew Lab Test Results
Natural Health Products Watch for Warnings of Liver Damage on Labels of Green Tea Extract Products
Cardiology Use "ABCDs" to Optimize Meds for Stable Coronary Artery Disease
Asthma Ensure Long-Acting Beta-Agonists Aren't Used Alone for Asthma
Travel Medicine Share Strategies to Limit Altitude Sickness
Psoriasis Know Key Points About Biologics for Your Patients With Psoriasis
Nausea & Vomiting Consider Akynzeo for Highly Emetogenic Chemotherapy
Practice Get Tools to Tackle This Flu Season
Practice Advise Patients That Using Expired EpiPen May Be Needed During the Shortage