We’ve all been there—a headache after starting a new med, or an upset stomach after an antibiotic. While side effects might seem random, your genes might be calling the shots.
Pharmacogenomics vs. Side Effects
For example, a recent PubMed study (PMID: 31767879) reveals how variations in the TPMT gene substantially influence the risk of side effects in patients taking thiopurine drugs, often used in cancer treatment. Low TPMT activity? You may become more prone to drug toxicity.
The Awkward World of Metabolism
Side effects often occur when medication doesn’t metabolize (speed up or break down) properly in your body. Slow metabolizer? The drug lingers too long. Fast metabolizer? The drug may not stick around long enough to work.

What Does This Mean for You?
Pharmacogenomic testing offers game-changing insights into your personal medication tolerance. Your genes make it clear—and you’re no longer stuck playing the guessing game with your prescriptions.
Who’s tired of mystery side effects? (Hint: all of us).
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