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Escitalopram half-life is about 27 to 32 hours, so it will take about 150 hours or a little more than six days for Lexapro to be eliminated from the body. Concerning how long does Lexapro stay in your system, it should be noted that it takes about five half-lives for a drug to be 99% cleared from the body. Lexapro Half-LifeĮscitalopram half-life is the amount of time it takes for half the amount of the drug ingested to be eliminated from the body. Even if that’s the case, taking Escitalopram must not be suddenly stopped unless advised by a doctor as it may cause withdrawal symptoms such as unwanted feelings, difficulty in controlling movements, and strange sensations, among others. Of course, Escitalopram may not work for some, and it is not uncommon for it to stop working after some time. This antidepressant is known to have a predictable tolerability profile of mild to moderate adverse effects as well as a low tendency for drug interactions – something that could be beneficial for the treatment of patients with comorbidities.
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By inhibiting the neurotransmitter’s reuptake, the drug allows for increased levels of serotonin to remain at the synapse (nerve junction), thereby improving mood, behavior, sleep, appetite, and other symptoms of anxiety and depression. As a highly selective inhibitor, it helps improve MDD (major depressive disorder) patients’ depressive symptoms without affecting other neurotransmitters such as norepinephrine or dopamine. Escitalopram is a very potent SSRI, up to 40 times more powerful than R-citalopram, the other enantiomer of the drug. As the name suggests, these medications prevent the reuptake of a neurotransmitter called serotonin at the junctions between nerve cells in the brain. How Does Lexapro Work?Įscitalopram, an atypical antipsychotic medication, is categorized as an antidepressant and belongs to the SSRI (selective serotonin reuptake inhibitor) drug class. However, a study found that this medication improves symptoms rapidly, and MDD patients have seen significant improvements in some parameters just within 1 to 2 weeks of starting treatment.
#Half life of lexapro full#
Concerning how long does Lexapro take to work, feeling the full benefit of medication usually takes 1 to 4 weeks or longer.