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Pharmacogenomics, explained by the pharmacists who read the reports
Plain-language writing on CYP2D6 and CYP2C19 metabolizer status, drug gene interactions, antidepressant and statin selection, insurance coverage, and what a pharmacogenomic test can and cannot tell you.

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Featured · Pain Management
Why Do Statins Cause Muscle Pain? Causes & Risk Factors
Statins cause muscle pain for a mix of reasons, and the mix is different for every person. This section goes past the basics into what actually drives the ache, how prescribers test whether the statin is to blame, what relief options exist,…
16 min read
Latest articles
Every article is written or reviewed by a licensed pharmacist at our Dallas laboratory and dated so you can see how current the guidance is.
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Best Pharmacogenetic Testing Companies
Choosing a gene test for your medications is easier when you know what separates a strong lab from a weak one. This guide covers the best…
12 min read -

CYP2C19 Rapid Metabolizer
If a gene report lists you as a CYP2C19 rapid metabolizer, you probably want to know which of your medicines this affects and what to ask…
17 min read -

The Role of the DRD2 Gene in ADHD Development
The DRD2 gene codes for one of the brain’s dopamine receptors, and it appears in a great deal of research on attention, reward and motivation. This…
15 min read -

PGx Gene Test for Skin Care: Your Road to Glowing Skin
A pgx gene test for skin care sounds like it should pick your serum for you. It does not. Pharmacogenomics answers a narrow question about how…
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CYP1A2 and Phenylalanine: What’s Phenylalanine?
Searches for CYP1A2 and phenylalanine usually come from two separate ideas that have been blended together online. This guide keeps them apart: it explains which enzyme…
13 min read -

Is ADHD drug therapy useful for anxiety?
When anxiety sits alongside attention problems, adhd drug therapy has to be planned carefully rather than rushed. This guide covers how prescribers sequence treatment, what to…
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Caffeine Sensitivity & CYP1A2 Gene at LPA Levels
The CYP1A2 gene is best known for controlling how quickly your liver clears caffeine, and it often comes up in the same conversation as a lipoprotein(a)…
14 min read -

Understanding the PGx Gene Test for Anxiety Medication
Finding the right anxiety medication can take time, and your genes are one reason why. This article explains how a pharmacogenomic (PGx) gene test works for…
12 min read -

How Long Does Zoloft Stay in Your Body?
If you are asking how long does Zoloft stay in your body, the useful answer has two parts: how long the drug itself takes to clear,…
14 min read
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