Genetic and metabolic factors cause painkillers to have different effects on people
the verdict
SUPPORTED
the evidence backs this
confidence 79/100
Extensive scientific literature confirms that genetic and metabolic factors—such as variations in drug-metabolizing enzymes and receptors—significantly alter how individuals respond to painkillers and analgesics.
Evidence for · 7
The Role of Pharmacogenetic Biomarkers in Pain.
2025 · cited by 3
Substantial evidence indicates that genetic variants in genes such as CYP2C9 and CYP2D6 significantly influence patient responses to analgesics and pain management.
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More for · 6
Pharmacological mechanisms underlying neurovascular alterations related to resistant and refractory migraine: CGRP pathways and beyond.
2026 · cited by 2
Genetic and epigenetic modifications contribute to inter-individual variability in pharmacokinetics and pharmacodynamics regarding analgesic drug responses.
Personalized Perioperative Opioid Strategies in Children: Focus on Methadone, Pharmacogenomics and Prevention of Persistent Postoperative Opioid Use.
2025 · cited by 1
Pharmacogenomic-guided opioid prescribing and variants in genes like CYP2D6 and OPRM1 help tailor dosing to individual metabolic profiles for improved efficacy.
Comparison of Pecto-Intercostal Fascial Block Vs Transversus Thoracic Plane Block and Their Pharmacogenomics for Pain Management After Sternotomy in Cardiac Surgery: A Narrative Review.
2026 · cited by 0
Pharmacokinetic, pharmacodynamic, and genetic factors contribute to variability in analgesic response and pain management strategies.
Pharmacogenomics and Opioid Efficacy in Sickle Cell Disease.
2026 · cited by 0
Polymorphisms in metabolic enzymes like CYP2D6 and UGT2B7 modify the pharmacokinetics and pharmacodynamics of opioids, altering pain relief.
The evolving landscape of pharmacogenomics: Current achievements and future directions.
2026 · cited by 0
Pharmacogenomics investigates how inherited and acquired genetic variation shapes drug efficacy and toxicity across various therapeutic areas including pain management.
The Effect of <i>CYP2D6</i> Gene Polymorphism on Tramadol Efficacy in Total Knee Arthroplasty.
2026 · cited by 0
The CYP2D6 genotype directly influences tramadol efficacy and side-effect profiles, demonstrating that genetic factors alter painkiller effects.