With all the different depression and anxiety medications on the market, it can be hard to know which drug is which. Lexapro and Zoloft are two of the more commonly prescribed medications for mood disorders such as depression.
These drugs are a type of antidepressant called selective serotonin reuptake inhibitors (SSRIs). SSRIs work by increasing levels of serotonin, a substance in your brain that helps maintain your mood. Read on to learn more about similarities and differences between Lexapro and Zoloft.
Drug features
Lexapro is prescribed to treat depression and generalized anxiety disorder. Zoloft is prescribed to treat depression, obsessive compulsive disorder, and several other mental health conditions. The table below compares the conditions each drug is approved to treat.
Condition | Zoloft | Lexapro |
depression | X | X |
generalized anxiety disorder | X | |
obsessive compulsive disorder (OCD) | X | |
panic disorder | X | |
post-traumatic stress disorder (PTSD) | X | |
social anxiety disorder | X | |
premenstrual dysphoric disorder (PMDD) | X |
The table below compares other key aspects of Zoloft and Lexapro.
Brand name | Zoloft | Lexapro |
What is the generic drug? | sertraline | escitalopram |
What forms does it come in? | oral tablet, oral solution | oral tablet, oral solution |
What strengths does it come in? | tablet: 25 mg, 50 mg, 100 mg; solution: 20 mg/mL | tablet: 5 mg, 10 mg, 20 mg; solution: 1 mg/mL |
Who can take it? | people 18 years and older* | people 12 years and older |
What is the dosage? | determined by your doctor | determined by your doctor |
What is the typical length of treatment? | long-term | long-term |
How do I store this drug? | at room temperature away from excess heat or moisture | at room temperature away from excess heat or moisture |
Is there a risk of withdrawal with this drug? | yes† | yes† |
*Except for treating OCD
† If you’ve been taking this drug for longer than a few weeks, don’t stop taking it without talking to your doctor. You’ll need to taper off the drug slowly to avoid withdrawal symptoms.
Cost, availability, and insurance
Both medications are available in most pharmacies in brand-name and generic versions. Generics are generally cheaper than brand-name products. At the time this article was written, the prices for the brand-name and generic versions of Lexapro and Zoloft were similar, according to Optum Perks.
Health insurance plans typically cover antidepressant medications such as Lexapro and Zoloft, but prefer you to use the generic forms.
Side effects
The charts below list examples of side effects of Lexapro and Zoloft. Because Lexapro and Zoloft are both SSRIs, they share many of the same side effects.
Common side effects | Lexapro | Zoloft |
nausea | X | X |
sleepiness | X | X |
weakness | X | X |
dizziness | X | X |
anxiety | X | X |
sleeping trouble | X | X |
sexual problems | X | X |
sweating | X | X |
shaking | X | X |
loss of appetite | X | X |
dry mouth | X | X |
constipation | X | |
respiratory infections | X | X |
yawning | X | X |
diarrhea | X | X |
indigestion | X | X |
Lexapro | Zoloft | |
Serious side effects | ||
suicidal actions or thoughts | X | X |
serotonin syndrome* | X | X |
severe allergic reactions | X | X |
abnormal bleeding | X | X |
seizures or convulsions | X | X |
manic episodes | X | X |
weight gain or loss | X | X |
low sodium (salt) levels in the blood | X | X |
eye problems** | X | X |
*Serotonin syndrome is a condition that can occur when the levels of serotonin, a chemical produced by your body, become too high. Serotonin syndrome can be life-threatening.
**Eye problems can include blurry vision, double vision, dry eyes, and pressure in the eyes.
A concern that many people have about taking antidepressants is weight gain. It’s true that many antidepressants can cause weight gain, but some drugs are thought to cause less weight gain than others. Lexapro and Zoloft are two antidepressants that may cause less weight gain. If you’re concerned about this effect from taking an antidepressant, talk with your doctor.