Drug Metabolism Altered Cyp2c19 Related C6066008
A genetic variation affecting how the body processes common drugs. May influence response to certain antidepressants and antacids.
Key facts at a glance
- ICD-10
- E88.9
- ICD-11
- 5A00.0
- Body system
- metabolic
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Fatigue or weight changes
(metabolic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Mild bruising
(hematologic)Gastrointestinal discomfort
(gastrointestinal)Dizziness
(nervous)Headache
(general)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Lifestyle modification and dietary intervention
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Pharmacogenomic-Guided Prescribing
Pre-emptive genetic testing to identify CYP2C19 variants before prescribing medications commonly metabolized by this enzyme including PPIs, clopidogrel, and certain antidepressants.
Proton Pump Inhibitor Alternatives
For CYP2C19 poor metabolizers resistant to PPI therapy, H2 receptor antagonists or alternative acid suppression strategies may be employed.
Additional treatment options
Clopidogrel Alternative Therapy
Patients with reduced CYP2C19 function requiring antiplatelet therapy may need alternative agents such as prasugrel or ticagrelor instead of clopidogrel.
medicationAntidepressant Response Monitoring
Close monitoring of therapeutic response and side effects when prescribing SSRIs or tricyclic antidepressants metabolized by CYP2C19.
monitoringLifestyle Modification for GERD
Dietary and behavioral changes including weight management, meal timing adjustments, and sleep position modifications to reduce PPI dependence.
complementaryWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Drug Metabolism Altered Cyp2c19 Related C6066008?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Hicks JK, Sangkuhl K, Swen JJ, et al. Clinical Pharmacogenetics Implementation Consortium Guideline for CYP2C19 Genotype and Clopidogrel Therapy. Clin Pharmacol Ther. 2017.
Scott SA, Sangkuhl K, Stein CM, et al. Clinical Pharmacogenetics Implementation Consortium Guidelines for CYP2C19 Genotype and Voriconazole Therapy. Pharmacogenet Genomics. 2013.
Sorich MJ, Polasek TM, Wiese MD. Systematic Review and Meta-analysis of the Association between CYP2C19 Polymorphisms and Medication Adverse Events. Clin Pharmacol Ther. 2014.
Brennan Z, Thiesen A, Tanaka Y, et al. Randomized Controlled Trial of CYP2C19-guided Proton Pump Inhibitor Dosing in Healthy Volunteers. Clin Pharmacokinet. 2022.
Medication Comparisons
Compare medications used to treat Drug Metabolism Altered Cyp2c19 Related C6066008. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy