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Understanding Lexapro''s Timeline
March 31st, 2026

How Long Does It Take for Lexapro to Start Working?

Lexapro typically begins working within 1-2 weeks, though full effects may take 4-6 weeks to develop. Initial improvements in sleep, energy, and appetite often occur first, followed by gradual mood enhancement. Clinical studies show that 60-70% of patients experience significant symptom improvement within 4-8 weeks of starting treatment. Some people notice subtle changes as early as the first week, while others may need up to 12 weeks for optimal results. Factors like dosage, individual metabolism, and severity of symptoms influence response time. If you don't notice improvement after 4-6 weeks, consult your healthcare provider about potential dosage adjustments or alternative treatments.

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