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Lexapro vs. Xanax
What’s the difference between Lexapro and Xanax?
- Lexapro (escitalopram) and Xanax (alprazolam) are used to treat anxiety disorders.
- Lexapro is also used to treat depression.
- Xanax is also used to treat panic attacks.
- Lexapro and Xanax belong to different drug classes. Lexapro is a selective serotonin reuptake inhibitor (SSRI) and Xanax is a benzodiazepine.
- Side effects of Lexapro and Xanax that are similar include drowsiness and weight changes.
- Side effects of Lexapro that are different from Xanax include agitation or restlessness, blurred vision, diarrhea, difficulty sleeping, dry mouth, fever, frequent urination, headache, indigestion, nausea, increased or decreased appetite, increased sweating, sexual difficulties (decreased sexual ability or desire, delayed ejaculation), changes in taste, and tremors (shaking).
- Antidepressants such as Lexapro may also increase the risk of suicidal thinking and behavior in children and adolescents with depression and other psychiatric disorders.
- Side effects of Xanax that are different from Lexapro include fatigue, memory problems, drowsiness, speech problems, and constipation.
- Withdrawal symptoms may occur if you suddenly stop taking Lexapro including dizziness, tingling, tiredness, vivid dreams, irritability, or poor mood. Withdrawal symptoms may also occur if you suddenly stop taking Xanax including insomnia, headaches, nausea, vomiting, lightheadedness, sweating, anxiety, fatigue, and in severe cases, seizures.
What are Lexapro and Xanax?
Lexapro (escitalopram) is a selective serotonin reuptake inhibitor (SSRI) used to treat depression and generalized anxiety disorder. Other SSRIs include citalopram (Celexa), fluoxetine (Prozac), paroxetine (Paxil), and sertraline (Zoloft). SSRIs affect neurotransmitters in the brain, the chemical messengers that nerves use to communicate with one another. An imbalance of neurotransmitters is believed to cause depression. Lexapro prevents the reuptake of the neurotransmitter serotonin, which results in more serotonin in the brain to attach to receptors.
Xanax (alprazolam) is a benzodiazepine used to treat anxiety. Other benzodiazepines include diazepam (Valium), clonazepam (Klonopin), lorazepam (Ativan), and flurazepam (Dalmane). Xanax acts by enhancing the effects of the neurotransmitter gamma-aminobutyric acid (GABA) in the brain. It is believed that excessive activity in the brain may cause anxiety or other psychiatric disorders.
What are the side effects of Lexapro and Xanax?
Common side effects associated with Lexapro include:
- agitation or restlessness,
- blurred vision,
- difficulty sleeping,
- dry mouth,
- frequent urination,
- increased or decreased appetite,
- increased sweating,
- sexual difficulties (decreased sexual ability or desire, ejaculatory delay),
- taste alterations, tremor (shaking), and
- weight changes.
Antidepressants increased the risk of suicidal thinking and behavior (suicidality) in short-term studies in children and adolescents with depression and other psychiatric disorders. Anyone considering the use of Lexapro or any other antidepressant in a child or adolescent must balance this risk with the clinical need. Short-term studies did not show an increase in the risk of suicidality with antidepressants compared with placebo in adults beyond 24 years of age. There was a reduction in risk of suicidality with antidepressants compared with placebo in adults 65 years of age and older. Depression and certain other psychiatric disorders are themselves associated with increases in the risk of suicide. Patients who are started on therapy with antidepressants should be closely observed for clinical worsening, suicidality, or unusual changes in behavior.
Although changes in sexual desire, sexual performance, and sexual satisfaction often occur as a result of depression itself, they also may be a consequence of the drugs used to treat depression. In particular, about one in 11 men given Lexapro report difficulties ejaculating.
Possible serious side effects of Lexapro include:
Some patients experience withdrawal reactions upon stopping SSRI therapy. Symptoms may include
- vivid dreams,
- irritability, or
- poor mood.
In order to avoid these symptoms, the dose of SSRI can be slowly reduced instead of abruptly stopped.
The most common side effects of Xanax taken at lower doses are:
Other side effects include:
Addiction is more likely to occur at high doses given over prolonged periods of time. Abrupt discontinuation of alprazolam after prolonged use can lead to symptoms of withdrawal such as:
Seizures can occur in more severe cases of withdrawal. Consequently, patients on alprazolam for extended periods of time should slowly taper the medication under a doctor’s supervision rather than abruptly stopping the medication.
What is the dosage of Lexapro vs. Xanax?
- The usual starting dose of Lexapro for treating depression in adults or adolescents is 10 mg once daily in the morning or evening. The dose may be increased to 20 mg once daily after 3 weeks.
- Benefit may not be seen until treatment has been given for up to 4 weeks. A daily dose of 20 mg may not be more effective than 10 mg daily for treatment of depression.
- The dose for treating generalized anxiety disorder is 10 mg once daily.
- Lexapro can be taken with or without food.
- The starting dose for treating anxiety is 0.25-0.5 mg 3 to 4 times daily using immediate release tablets. The dose may be increased every 3-4 days to a maximum dose of 4 mg daily.
- The starting dose for treating panic attacks is 0.5 mg 3 times daily. Doses can be increased every 3-4 days but by no more than 1 mg daily.
- The effective dose for preventing panic attacks may be as high as 10 mg daily for some patients. The starting dose when using extended release tablets to treat panic disorder is 0.5 mg once daily and the average dose is 3-6 mg once daily.
- Alprazolam may be taken with or without food.
What drugs interact with Lexapro and Xanax?
- All SSRIs, including Lexapro, should not be combined with drugs in the monoamine oxidase (MAO) inhibitor class of antidepressants such as isocarboxazid (Marplan), phenelzine (Nardil), tranylcypromine (Parnate), selegiline (Eldepryl) and procarbazine (Matulane) or other drugs that inhibit monoamine oxidase such as linezolid (Zyvox) and intravenous methylene blue. Such combinations may lead to confusion, high blood pressure, high fevers, tremor or muscle rigidity, and increased activity. At least 14 days should elapse after discontinuing Lexapro before starting an MAO inhibitor. Conversely, at least 14 days should elapse after discontinuing an MAO inhibitor before starting Lexapro.
- Similar reactions occur when SSRIs are combined with other drugs that increase serotonin in the brain, for example tryptophan, St. John’s wort, meperidine (Demerol), lithium (Lithobid, Eskalith), triptans (for example, sumatriptan [Imitrex, Alsuma]), and tramadol (Ultram)
- Use of selective serotonin inhibitors may increase the risk of gastrointestinal bleeding in patients taking warfarin (Jantoven, Coumadin), aspirin, nonsteroidal anti-inflammatory drugs (NSAIDs), and other drugs that cause bleeding.
Are Lexapro and Xanax safe to take while pregnant or breastfeeding?
- The safety of Lexapro during pregnancy and breastfeeding has not been established. Therefore, Lexapro should not be used during pregnancy unless, in the opinion of the physician, the expected benefits to a patient outweigh unknown hazards to the fetus.
- Lexapro is excreted in human milk. Lexapro should not be given to nursing mothers unless, in the opinion of the physician, the expected benefits to the patient outweigh the possible hazards to the child.
- Benzodiazepines, such as alprazolam, can cause fetal abnormalities and should not be used in pregnancy.
- Alprazolam is excreted in breast milk and can affect nursing infants. Therefore, it should not be used by women who are nursing.
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Medically Reviewed on 11/25/2019
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