Is Lexapro for OCD Right for You?

If you or a loved one is living with obsessive-compulsive disorder (OCD), you know that the struggles that come with it are far more than the often trivialized media portrayal of the condition. Symptoms like intrusive thoughts, fear-based avoidance behaviors, self-isolation, or ritualistic personal hygiene or health habits can be a daily battle that disrupts your quality of life. But with the right evidence-based approach for treating OCD symptoms, you or a loved one can free yourself from the OCD struggles that you may feel trapped by.

Depending on the severity of your symptoms, a mental health professional will likely recommend managing OCD with first-line treatments such as exposure and response prevention therapy (ERP) or medications FDA-approved for OCD. But when these medications fail to provide adequate symptom relief, a psychiatrist may turn to other first-line alternatives that happen to be “off-label” — in other words, they lack FDA approval for OCD, but still show promise in treating the condition. One off-label OCD medication option that stands out is escitalopram, better known by its brand name Lexapro — a medication that, while lacking FDA indication, is still widely recognized as a research-supported first-line care option.

Here’s a look at what an off-label treatment option is and how to determine if Lexapro for OCD is right for you.

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Understanding OCD and Treatment Challenges

OCD is much more than its misconceptions — it can be a debilitating condition that often requires professional treatment and affects more than 7.8 million people in the US at some point in their lives. But with 60% to 70% of those struggling with OCD not currently seeking psychiatric treatment, and the chronic nature of the disorder requiring long-term management for those who do seek care, it can be one of the most challenging mental health conditions to treat.¹

OCD: beyond common misconceptions

If you only know OCD through its superficial media portrayals, you might think OCD is simply a tendency to keep things organized, wash hands more than usual, or that it’s a condition that can be cured through will power alone. Phrases like “I’m so OCD” position OCD as a quirky personality trait rather than a serious mental health condition. In reality, OCD can cause severe psychological distress that can often only be temporarily soothed with compulsive rituals, and can come with intrusive thoughts that cause people to seek constant reassurance.

For example, someone struggling with OCD may drive over a speed bump and have their thoughts hijacked by the grim idea that they ran over someone, causing them to repeatedly retrace their steps to disprove this thought. These intrusive thoughts can often take on morbid, taboo, or unsettling themes, and the more they try to not think about it, the more they end up doing so — a cycle that can take up a significant amount of time and impede nearly every aspect of life.

Why standard treatments may not always work

Upon assessment of your symptoms and medical history, a mental health professional will likely begin your treatment with cognitive behavioral therapy (CBT), incorporating principles of ERP. Research shows that 65% to 70% of people struggling with OCD respond to CBT/ERP treatment, with around half of patients experiencing remission.²

Despite these promising numbers, several challenges exist. For one, treatment response isn’t the same as remission — it’s only a 25% to 35% reduction in symptoms. Additionally, many therapists lack ERP training, less than 10% of people with OCD are currently receiving evidence-based therapy, and those who do often require ongoing treatment.²

Medication also plays a fundamental role in OCD treatment, and psychiatrists will often start by prescribing antidepressants approved by the FDA, including:

Fluoxetine (Prozac).
Sertraline (Zoloft).
Paroxetine (Paxil).
Fluvoxamine (Luvox) — mistakenly thought to be the “best” OCD medication.
Clomipramine (Anafranil).

Across the board, 40% to 60% of patients respond to these medications — which are primarily selective serotonin reuptake inhibitors (SSRIs) — with responders experiencing a 40% to 50% reduction in symptom severity. However, this leaves around half of patients unable to achieve adequate relief.³ This can be attributed to several reasons: individual biological factors, the presence of other mental health conditions, inadequate dosing — two to three times the dose typically used for depression is needed for OCD — or insufficient trial duration. For those who have tried one or more of these medications without success, a psychiatrist may implement an off-label treatment approach.

What is an off-label treatment, and is it safe?

An off-label treatment is a medication prescribed for a condition it hasn’t been FDA-approved to treat. This doesn’t mean that it’s unsafe or ineffective; rather, it often means that research simply outpaces the lengthy and expensive approval process required for FDA indication. In fact, approximately 21% to 32% of medications are prescribed off-label.⁴ To underscore the safety and efficacy of Lexapro for OCD, it has received approval from the European Medicines Agency (EMA), meaning it has the equivalent of FDA approval in Europe.⁵

Finding Treatment: Psychiatry, Psychotherapy, and TMS Therapy for OCD

Lexapro for OCD: Clinical Evidence and Effectiveness

Despite its off-label status in the US, Lexapro has proven to be as effective as FDA-approved OCD medications in clinical trials and research studies. Here’s what research shows about its efficacy and safety profile, and what patients can expect during treatment.

Does Lexapro help with specific OCD symptoms?

In general, you shouldn’t expect medication to eradicate symptoms completely. Instead, it works to reduce symptoms enough so you can effectively manage your OCD without it significantly impeding your daily life. Lexapro is an SSRI, which means it blocks the reabsorption of serotonin — a chemical associated with regulating obsessive thoughts and compulsive behaviors — leaving your brain with more of it to work with.

Taking Lexapro can help manage certain OCD symptoms by:

Reducing the intensity of intrusive thoughts and overthinking.
Decreasing the urge to perform compulsive behaviors and rituals.
Alleviating panic and anxiety that drives the OCD cycle.

Related: How To Help Someone With OCD

Lexapro Side Effects and Considerations for OCD Treatment

Understanding the side effects associated with Lexapro can help inform your decision on if this treatment approach is right for you.

Common side effects and management

Some common side effects that happen in more than 1% of OCD patients who take Lexapro include:⁶

Gastrointestinal effects: Some might experience stomach discomfort, nausea, heartburn, or diarrhea. Lexapro can be harsh on the stomach — especially in the higher doses that’s typically required for OCD treatment — but taking it with a full stomach can help alleviate some of these side effects.
Sexual side effects: You may experience a lower sex drive, delayed orgasm, or erectile dysfunction when taking Lexapro.
Weight gain: Lexapro impacts your metabolism, which can cause weight gain, though it’s often minor — the average weight gained after 2 years on Lexapro is around 3.6 pounds.⁷
Dry mouth: Try sugar-free gum or sweets to alleviate Lexapro-associated dry mouth symptoms.
Sleep issues or fatigue: If you’re struggling to fall asleep, try taking Lexapro in the morning. If you feel fatigued on Lexapro, try taking it in the evening.
Excessively sweating: Talk to your doctor if perspiration increases to a concerning degree.
Headaches: This particularly affects people in the first week of taking Lexapro.

Other side effects that are rare but more serious and can indicate that you should seek medical attention include:

Trouble breathing or tightness in the chest.
Irregular menstruation patterns.
Bloody stool, urine, or vomit, indicating signs of internal bleeding.
Trembling or twitching.
Bleeding gums.
Easy bruising.
Headaches or confusion that persist after the first weeks of treatment.

What does Lexapro feel like when it starts working?

When you begin taking Lexapro, what you feel can be different for everyone. This depends on the dosage of the medications, how your body interacts with it, and the severity of your OCD.

Initial adjustment phase (weeks 1 to 2): During this period, you will likely experience the most pronounced side effects, which should dissipate over time. You shouldn’t expect a significant reduction in OCD symptoms — or any — and you may even experience increased anxiety. Pushing through this phase is important to truly see if Lexapro is right for you.
Early treatment phase (weeks 2 to 4): The initial side effects that characterized the first couple weeks of treatment often dissipate, and while some experience a slight reduction in symptom severity, most don’t see clinical improvements at this point.
Critical evaluation period (weeks 4 to 8): This is when you can really begin to assess if your symptoms are improving, and when a psychiatrist may adjust your dosage.
Response assessment (weeks 8 to 12): This period is considered the minimum timeframe to evaluate the effectiveness of Lexapro for OCD. If after 12 weeks you don’t experience significant improvement, a psychiatrist may determine it’s time to switch medications.
Continued improvement (12 weeks and beyond): If Lexapro is working for you, you’ll likely continue treatment and can expect gradual continued improvement in symptoms over the following months. It’s important to note that the maximum benefit of Lexapro for OCD may not be achieved for 6 months.

Long-term treatment considerations

OCD is a chronic condition that requires long-term management, and treatment works best when combined with ERP. If you’ve achieved a positive response to Lexapro for OCD, it’s generally recommended to continue treatment for at least 1 to 2 years — though many patients may require indefinite treatment to maintain improvements. To underscore this point, studies show that 52% of patients experienced OCD symptom relapse when they discontinued SSRI treatment.

Related: Exploring the Types of OCD

Comparing Lexapro to Other OCD Medications

As mentioned, Lexapro isn’t the only medication used to treat OCD. Here’s a summary of how Lexapro compares to other medications for OCD.

Medication	FDA status	Effectiveness	Typical dose for OCD	Common side effects	Key considerations
Lexapro (Escitalopram)	Off-label in US; not FDA-approved; FDA-approved for depression, bulimia, panic disorder, and PMDD.	40% to 60% response rate; equal to other SSRIs	20 to 40 mg daily	– GI issues. – Sexual dysfunction. – Weight gain. – Sleep changes.	– Well-tolerated. – Once daily dosing. – Fewer drug interactions. – Generic version available.
Prozac (Fluoxetine)	FDA-approved for OCD, depression, bulimia, panic disorder, and PMDD.	40% to 60% response rate	40 to 80 mg daily; up to 120 mg	– GI issues. – Anxiety and insomnia. – Sexual dysfunction. – Headache.	– Less withdrawal. – Approved for children. – Generic version available.
Zoloft (Sertraline)	FDA-approved for OCD, depression, panic disorder, PTSD, social anxiety disorder, and PMDD.	40% to 60% response rate	200 to 300 mg daily; up to 400 mg	– GI issues. – Sexual dysfunction. – Sleep changes. – Dry mouth.	– Approved for children. – Generic version available. – Once daily dosing.
Paxil (Paroxetine)	FDA-approved for OCD, depression, social anxiety disorder, GAD, PTSD, and PMDD.	40% to 60% response rate	40 to 60 mg daily; up to 100 mg	– Weight gain (more common). – Sexual dysfunction. – Sedation. – Withdrawal symptoms.	– More withdrawal. – More drug interactions. – Generic version available. – Only FDA-approved for adult OCD.
Luvox (Fluvoxamine)	FDA-approved for OCD and social anxiety disorder.	40% to 60% response rate	200 to 300 mg daily; up to 450 mg	– Nausea (more common). – Sexual dysfunction. – Sedation. – Headache.	– Split dosing is often needed. – More drug interactions. – Generic version available.
Anafranil (Clomipramine)	FDA-approved for OCD.	40% to 60% response rate	150 to 250 mg daily; up to 250 mg	– Dry mouth. – Constipation. – Weight gain. – Sexual dysfunction. – Sedation. – Cardiac effects.	– Not an SSRI; it’s a tricyclic antidepressant. – Requires monitoring. – More side effects. – Used when SSRIs don’t work. – Generic version available.

One characteristic that all these medications for OCD have in common is their expected response rate and the time you can expect a response, which is 8 to 12 weeks.

Integrating Lexapro With Comprehensive OCD Treatment

Medication works best when it’s used in tandem with therapeutic techniques and other treatment modalities, including:

Medication and OCD therapy: If you’re taking medication for your OCD, it’s recommended to complement treatment with a form of talk therapy, like CBT or ERP. Therapy can help challenge perfectionist tendencies, reframe negative thoughts to more productive ones, and teach healthy coping mechanisms. Studies show that talk therapy and medication provide a roughly 25% to 30% increase in symptom improvement compared to medication alone.
Medication and TMS for OCD: Transcranial magnetic stimulation (TMS) therapy can either complement medication or serve as a second-line approach for treatment-resistant OCD. This noninvasive, FDA-approved treatment for OCD targets underactive parts of the brain associated with intrusive thoughts and compulsive behaviors and comes with minimal side effects.

Related: Pros and Cons of TMS Therapy

Is Lexapro Right for Your OCD Treatment?

If you have OCD and have tried other medications that haven’t worked for you, Lexapro might be your next option. Additionally, if you have comorbid major depressive disorder (MDD) or generalized anxiety disorder (GAD) alongside OCD, Lexapro is FDA-approved to treat both of these conditions.

According to Nicholas Triviso, psychiatric mental health nurse practitioner (PMHNP) at Neuro Wellness Spa in South Torrance, “Despite Lexapro being off-label for OCD, Lexapro is comparable to other SSRIs in efficiency of treating OCD. Lexapro also is associated with fewer side effects than other SSRI options and has fewer drug interactions.”

This combination of effectiveness and tolerability, along with once-daily dosing, makes Lexapro a convenient option if you struggle with medication adherence.

Related: Best Antidepressant for Teens

How Neuro Wellness Spa Can Support Lexapro for OCD

Neuro Wellness Spa offers goal-oriented therapy such as CBT, ERP, and dialectical behavior therapy (DBT), as well as medication management delivered by a team of compassionate, expertly trained mental health professionals. Additionally, we offer FDA-approved TMS therapy for OCD that can be used in tandem with or as a replacement for medication. Our collaborative approach draws on the experience of a team of experts to tailor a treatment plan that works best for you. Contact Neuro Wellness Spa today to begin your path toward healing.

FAQ: Lexapro for OCD

Here are answers to some frequently asked questions about Lexapro for OCD.

Does Lexapro stop overthinking?

Yes, Lexapro can reduce the intensity and frequency of intrusive thoughts by normalizing hyperactivity in your brain circuits, with 40% to 60% of patients showing improvement. However, Lexapro doesn’t completely stop overthinking or cure OCD — it just makes symptoms more manageable. Additionally, results vary depending on the individual.

How much Lexapro should I take for OCD?

A psychiatrist will typically prescribe 20 to 40 mg of Lexapro daily for OCD, with doses starting low and increased over time. Some patients with severe OCD may require 60 mg monitored under close medical supervision.

What is the best medication for OCD?

There is no single best medication for OCD, despite the popular but incorrect belief that Luvox is the superior. All FDA-approved SSRIs, as well as Lexapro, have similar response rates, so determining the right one for you will depend on individual side effects, drug interactions, and how you react to it. Your preferred choice can depend on comorbid conditions as well — for instance, Lexapro might be preferred for someone with OCD and social anxiety disorder or panic disorder.

FAQ: Lexapro for OCD

Here are answers to some frequently asked questions about Lexapro for OCD.

Does Lexapro stop overthinking?

Yes, overtime Lexapro can reduce the intensity and frequency of intrusive thoughts by normalizing hyperactivity in your brain circuits — clinical studies show that 40% to 60% of patients experience improvement in anxiety or OCD symptoms.³ However, Lexapro doesn’t completely stop overthinking or cure OCD — it just makes symptoms more manageable. In some cases — especially during the first few weeks of treatment — Lexapro can actually increase anxiety or intrusive thoughts as your brain adjusts to the medication. It’s also important to remember that results vary depending on the individual.

How much Lexapro should I take for OCD?

What is the best medication for OCD?