When Does Lexapro Start Working? Timeline & Effects Explained

Clinically Reviewed by Brittany Astrom

Brittany has 15 years of experience in the Mental Health and Substance Abuse field. Brittany has been licensed for almost 8 years and has worked in various settings throughout her career, including inpatient psychiatric treatment, outpatient, residential treatment center, PHP and IOP settings.

Lexapro (escitalopram) is a commonly prescribed antidepressant used to treat conditions like depression and anxiety disorders. Like many medications in the selective serotonin reuptake inhibitor (SSRI) category, Lexapro works by increasing serotonin levels in the brain, which can help improve mood and alleviate anxiety symptoms. However, one of the most frequent questions people have when starting this medication is: When does Lexapro start working?

This article dives into the answer, breaking down the typical timeline, factors that influence how quickly Lexapro takes effect, and what to expect during your treatment journey.

To understand when Lexapro starts working, it’s essential to first know how it operates in the body. Lexapro belongs to a class of drugs called SSRIs. These medications work by blocking the reabsorption of serotonin into neurons, thereby increasing the amount of serotonin available in the brain.

Serotonin is a neurotransmitter that plays a critical role in regulating mood, emotion, and anxiety. By enhancing serotonin levels, Lexapro helps improve mood stability and reduces anxiety, although it doesn’t provide immediate relief like painkillers or anti-anxiety medications like benzodiazepines.

Lexapro is widely prescribed as an antidepressant medication to help individuals treat depression and generalized anxiety disorder (GAD). As a selective serotonin reuptake inhibitor (SSRI), Lexapro works by increasing serotonin levels in the brain, which plays a crucial role in mood regulation. For individuals struggling with persistent feelings of sadness, low energy, and anxiety, Lexapro offers relief by stabilizing their emotional state and reducing the intensity of their symptoms.

For those undergoing Lexapro treatment, it’s essential to be patient. Lexapro can take time to reach its full therapeutic potential, especially in cases where individuals have long-standing mental health conditions. While some might see small changes early on, it can take several weeks for Lexapro to work effectively to reduce anxiety and alleviate depressive symptoms. Consistent medication management with the support of a healthcare provider can optimize results, ensuring the medication is doing its job to balance mood and reduce stress.

1\. First Few Days: Initial Adjustments

In the first few days of taking Lexapro, some patients may not notice significant improvements in their symptoms. Lexapro begins to increase serotonin levels in the brain shortly after the first dose, but the mood-enhancing effects may not be immediately felt. Some individuals experience mild side effects, such as nausea, dizziness, or fatigue, as their body adjusts to the medication.

2\. Week 1 to 2: Subtle Changes

By the end of the first or second week, some people may begin to notice subtle improvements in their mood or anxiety levels. However, for many, the benefits are still minimal at this stage. Patience is crucial, as the full therapeutic effects of Lexapro typically take longer to manifest.

3\. Week 3 to 4: Noticeable Improvements

For most individuals, significant changes often start to become more apparent by the third or fourth week. Symptoms of depression or anxiety may begin to lessen, and there may be improvements in sleep, energy levels, and overall mood.

However, if symptoms persist or worsen during this period, it’s essential to consult your doctor. Your dosage may need adjustment, or you may require additional interventions.

4\. Week 6 to 8: Full Effects

By the sixth to eighth week of treatment, the majority of patients experience the full therapeutic effects of Lexapro. Symptoms of depression and anxiety are typically much reduced, and individuals often feel more stable and balanced.

If you’re not seeing significant improvement after this period, it may be time to discuss alternative treatments or adjustments to your dose with your healthcare provider.

While most people experience symptom relief within 6 to 8 weeks, the timeline can vary based on several factors:

1. 1Dosage: The initial dosage of Lexapro, typically 10 mg per day, can influence how quickly it works. Your doctor may gradually increase the dose depending on how your body responds.

1. 1Individual Metabolism: People metabolize medications at different rates, which can influence how quickly Lexapro is absorbed and utilized by the body.

1. 1Severity of Symptoms: Individuals with more severe depression or anxiety may take longer to experience significant symptom relief compared to those with milder conditions.

1. 1Consistency of Use: Taking Lexapro consistently at the same time each day increases the chances of experiencing its full benefits on schedule.

1. 1Co-occurring Conditions: Individuals who have other mental health conditions or are taking multiple medications may notice a delay in when Lexapro starts working.

Like any medication, Lexapro can cause side effects. Most of these are mild and often resolve after the first few weeks of treatment. However, it’s important to be aware of what side effects you may experience while waiting for Lexapro to start working.

Common side effects include:

• Nausea: This is one of the most frequently reported side effects but usually diminishes as the body adjusts.

• Insomnia or Sleepiness: Some individuals experience disturbances in their sleep patterns, such as trouble falling asleep or feeling excessively sleepy.

• Dry Mouth: This can usually be alleviated by staying hydrated.

• Sexual Dysfunction: Some people experience a decrease in libido or difficulty achieving orgasm.

• Dizziness: Feeling lightheaded or dizzy is common during the initial phase of taking Lexapro.

If side effects are persistent or severe, it’s crucial to consult with your doctor, as they may need to adjust your dose or consider alternative medications.

If you’re not experiencing improvements after 8 weeks of treatment, it’s essential not to stop taking Lexapro without consulting your doctor. Abruptly discontinuing the medication can lead to withdrawal symptoms like dizziness, irritability, and flu-like sensations.

Here are steps to take if Lexapro isn’t working as expected:

• Talk to Your Doctor: Your physician may increase your dose, switch medications, or suggest combining Lexapro with another treatment, such as cognitive behavioral therapy (CBT).

• Consider Additional Support: Non-pharmaceutical approaches, like regular exercise, mindfulness meditation, and a healthy diet, can complement Lexapro’s effects.

• Evaluate Lifestyle Factors: Substance use, poor sleep, and high stress levels can interfere with how well Lexapro works. Addressing these factors can help improve your response to the medication.

Lexapro is a powerful and effective medication for treating depression and anxiety, but it’s important to understand that it doesn’t work overnight. While some may begin to notice subtle improvements within the first two weeks, most people will need to wait 6 to 8 weeks to experience the full therapeutic benefits.

Remember to stay patient, follow your doctor’s instructions, and maintain an open line of communication with your healthcare provider. If you have any concerns or side effects, don’t hesitate to reach out for support.

With time, Lexapro can help restore your mental balance, reduced anxiety, allowing you to regain control over your mood and anxiety symptoms, leading to an improved quality of life.

Visit SAMHSA for more information or contact us.

1\. When should I expect to see improvements in my symptoms?

Most people notice improvements within 4 to 6 weeks, though some may begin to feel subtle effects as early as the first 2 weeks. Full benefits typically occur by the eighth week.

2\. What should I do if I don’t feel better after 4 weeks of taking Lexapro?

If you don’t feel better after 4 weeks, continue taking the medication as prescribed and discuss your symptoms with your doctor. They may adjust your dosage or suggest alternative treatments.

3\. Can I stop taking Lexapro if I don’t think it’s working?

No, you should not stop taking Lexapro without consulting your healthcare provider. Stopping the medication suddenly can lead to withdrawal symptoms and may worsen your condition.

4\. Does Lexapro cause weight gain?

Some individuals may experience weight gain while taking Lexapro, though this side effect is not universal. Maintaining a healthy diet and regular exercise can help mitigate this effect.

5\. Can I drink alcohol while taking Lexapro?

It’s generally recommended to avoid alcohol while taking Lexapro, as it can intensify certain side effects like dizziness and sedation, and may also interfere with the medication’s effectiveness.