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paroxetine vs sertraline

Side-by-side comparison of paroxetine and sertraline. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

minor Known Drug Interaction

If concomitant treatment with sumatriptan and an SSRI (e.g., citalopram, fluoxetine, fluvoxamine, paroxetine, sertraline) is clinically warranted, appropriate observation of the patient is advised.

Recommendation: Your healthcare provider should keep a close watch on your symptoms if you are prescribed both medications.

Drug Class
paroxetine Selective Serotonin Reuptake Inhibitor (SSRI)
sertraline Selective Serotonin Reuptake Inhibitor (SSRI)
Type
paroxetine Prescription
sertraline Prescription
Summary
paroxetine

Paroxetine (Paxil) is a medicine that can help treat depression and anxiety disorders. It belongs to a class of drugs called selective serotonin reuptake inhibitors (SSRIs).

sertraline

Sertraline is a medicine used to treat depression and other mental health conditions. It helps balance chemicals in your brain to improve your mood and reduce anxiety.

What It Treats
paroxetine

Paroxetine is used to treat several conditions in adults. These include major depressive disorder (MDD), obsessive compulsive disorder (OCD), panic disorder (PD), social anxiety disorder (SAD), generalized anxiety disorder (GAD), and posttraumatic stress disorder (PTSD). It helps to improve mood and reduce anxiety and panic feelings.

sertraline

Sertraline is used to treat major depressive disorder in adults. This means it can help with ongoing sadness or loss of interest in things. It also treats obsessive-compulsive disorder (OCD), where you have unwanted thoughts or behaviors that you can't control. Sertraline can also treat panic disorder, post-traumatic stress disorder (PTSD), premenstrual dysphoric disorder (PMDD), and social anxiety disorder.

How It Works
paroxetine

Paroxetine works by increasing the amount of serotonin in your brain. Serotonin is a natural substance that helps regulate mood. By increasing serotonin levels, paroxetine can help improve symptoms of depression and anxiety.

sertraline

Sertraline is a selective serotonin reuptake inhibitor (SSRI). It works by increasing the amount of serotonin in your brain. Serotonin is a chemical that helps regulate mood, and by blocking its reabsorption, sertraline helps improve mood and reduce symptoms of depression and anxiety.

Common Side Effects
paroxetine
  • Abnormal ejaculation
  • Weakness or fatigue
  • Constipation
  • Decreased appetite
  • Diarrhea
sertraline
  • Nausea
  • Diarrhea
  • Headache
  • Insomnia
  • Dizziness
FAERS Reports
paroxetine
  • Reaction with another medicine 1,825
  • Tiredness 1,821
  • Feeling sick to your stomach 1,738
  • Harmful effect from different substances 1,579
  • Worry or nervousness 1,476
sertraline
  • Feeling sick to your stomach 5,757
  • Feeling very tired 5,244
  • Loose, watery stools 4,654
  • Pain in your head 4,407
  • Feeling lightheaded or unsteady 4,121
Serious Warnings
paroxetine

Antidepressants may increase the risk of suicidal thoughts and behaviors in young adults. Your doctor will monitor you closely for worsening depression or suicidal thoughts. Paroxetine is not approved for use in children.

sertraline

Antidepressants may increase the risk of suicidal thoughts or actions in children, teens, and young adults. Watch closely for worsening depression, unusual behavior, or thoughts of suicide. Sertraline is not approved for treating depression in children.

Pregnancy
paroxetine

Paroxetine may cause harm to your unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. Taking paroxetine later in pregnancy may cause problems for the newborn.

sertraline

Tell your doctor if you are pregnant or plan to become pregnant. Sertraline may affect your baby. Talk to your doctor about the risks and benefits of taking sertraline during pregnancy and breastfeeding.

Also Compare, Nearby Drugs

How to Read This paroxetine vs sertraline Comparison

paroxetine is classified in the Selective Serotonin Reuptake Inhibitor (SSRI) drug class, while sertraline sits within the Selective Serotonin Reuptake Inhibitor (SSRI) class. Because both drugs share the same classification, they are often considered interchangeable in theory, but clinical outcomes rarely track that cleanly. Both drugs are prescription-only, so a licensed provider must authorize use.

Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, paroxetine has 8,439 submissions while sertraline has 24,183. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to taking these drugs together can cause an additive increase in serotonin levels because they both work in a similar way.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between paroxetine and sertraline - always consult your physician or pharmacist first.

Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.