Lexapro and Citalopram. What’s the difference

Active Ingredients – **Lexapro: Escitalopram, which is the S-enantiomer of citalopram. – **Citalopram: A racemic mixture containing equal parts of S-citalopram and R-citalopram. Potency and Dosage – Lexapro: Generally considered to be more potent. Therefore, it often requires a lower dose compared to citalopram. – **Citalopram:** Less potent, so higher doses might be necessary to achieve the same therapeutic effect. Effectiveness – **Lexapro:** Some studies suggest it may be slightly more effective and have a quicker onset of action due to its selective action on the S-enantiomer. – **Citalopram:** Effective, but due to the presence of the R-enantiomer, it might have a broader range of action with a possibly different side effect profile. Side Effects – **Lexapro:** May have fewer side effects, particularly related to the heart, as it is more selective. – **Citalopram:** Can be associated with dose-dependent QT interval prolongation, which can lead to serious heart rhythm problems in some patients. Clinical Use – **Lexapro:** Often preferred for patients who may be sensitive to side effects or who need a medication with a stronger antidepressant effect. – **Citalopram:** Still widely used and effective, particularly in patients who tolerate it well and have no heart-related concerns. Summary Both medications are effective for treating depression and anxiety. Lexapro might be preferred for its potency and side effect profile, while citalopram might be a more cost-effective option. Always consult with a healthcare provider to determine which medication is best for individual needs.