What are the current safety warnings for sertraline and similar antidepressants?
SSRIs like sertraline carry a youth suicidality boxed warning, while other risks such as persistent sexual dysfunction and a possible heart-rhythm signal need more confirmation.
Covers: Boxed warnings and label updates for SSRIs such as sertraline, including suicidality in young people, serotonin syndrome, discontinuation effects and bleeding risk, plus what regulators and research say. Does not give personal medical advice or compare individual treatment choices.
Also answers: What are the new antidepressant safety warnings for sertraline and similar drugs? · Zoloft side effects and warnings · SSRI boxed warning explained
The short answer
InterpretationSSRIs including sertraline carry regulator-driven safety warnings, most prominently a boxed warning about increased risk of suicidal thinking and behaviour in children and adolescents, added after US and UK regulators raised concerns in 2003. Reviews of the trial evidence find an increased risk of suicide-related outcomes in adolescents but not in adults… 12345
In brief
The best-known SSRI warning is the boxed warning on increased suicidal thinking and behaviour in children and adolescents, prompted by 2003 regulatory concerns.1
Evidence-backedA single real-world study found a QTc prolongation signal for sertraline versus escitalopram (HR 1.75), described by its authors as needing confirmation.5
Evidence-backedSertraline's benefit and its adverse-effect risk both rise with dose, with total adverse reactions dipping between 50 and 150 mg and rising above 150 mg.7
Evidence-backed
At a glance
The picture in numbers
Live · updated just now
74%
74 in every 100
21 trials
4,235 patients
The evidence behind it
8 sources- Reviews of many studies3
- Other studies and data5
When it was published
Newest from 2026
| Source | Kind | Year |
|---|---|---|
| Post-SSRI Sexual Dysfunction (PSSD): A comprehensive review of epidemiology, pathophysiology, and clinical management. | Reviews of many studies | 2026 |
| Safety Concerns, Mechanistic Pathways, and Knowledge Gaps in the Clinical Use of Selective Serotonin Reuptake Inhibitors. | Other studies and data | 2026 |
| Review: SSRIs are associated with increased risk for attempted or completed suicide in adolescents but not in adults or the elderly | Reviews of many studies | 2009 |
| ACNP Task Force Report on SSRIs and Suicidal Behavior in Youth | Other studies and data | 2005 |
| Selective serotonin reuptake inhibitors (SSRIs) for depressive disorders in children and adolescents | Other studies and data | 2007 |
| Real-World Antidepressant Prescribing Patterns and Comparative Safety Outcomes of Commonly Prescribed Antidepressants in Patients with Depressive Disorder: A Multicenter OMOP-CDM Study. | Other studies and data | 2026 |
| Selection of the optimal dose of sertraline for depression: A dose-response meta-analysis of randomized controlled trials | Reviews of many studies | 2023 |
| Prevalence of the Common Side Effects of SSRI in the Primary Care in Saudi Arabia | Other studies and data | 2024 |
The community around it
No one has added to this page yet. Firsthand experience, a newer study or a different reading of the numbers would show up here, credited to you.
The full explanation
InterpretationSSRIs including sertraline carry regulator-driven safety warnings, most prominently a boxed warning about increased risk of suicidal thinking and behaviour in children and adolescents, added after US and UK regulators raised concerns in 2003. Reviews of the trial evidence find an increased risk of suicide-related outcomes in adolescents but not in adults or the elderly, while a Cochrane review notes it is unclear whether SSRIs affect completed suicide. Other labelled or widely discussed concerns include serotonin syndrome, discontinuation effects, bleeding risk and persistent sexual dysfunction after stopping (PSSD), which the EMA has warned about. A 2026 multicentre database study found broadly comparable safety across antidepressants but an isolated signal of QTc prolongation with sertraline versus escitalopram (HR 1.75, 95% CI 1.10–2.78) that needs confirmation.12345
- Evidence 18
- Interpretation 4
What it means for you
Which fits you?
Pick the situation closest to yours. Each answer says what it rests on.
If you are considering an SSRI for a child or adolescent
the main warning to weigh is the increased risk of suicidal thinking and behaviour in under-18s, and the trial evidence on completed suicide is inconclusive, so monitoring and clinical judgement matter.23
Evidence-backedIf you are an adult or older person starting an SSRI
the reviews here do not show the adolescent-type increase in suicide-related risk, but the general safety review still argues for individualised prescribing and long-term monitoring.26
Evidence-backedIf you are discussing sertraline dose
efficacy rises with dose while adverse-effect risk dips between 50 and 150 mg and rises above 150 mg, so the dose choice trades benefit against harm.7
Evidence-backedIf you have cardiac risk factors or are comparing sertraline with escitalopram
a single study reported more QTc prolongation with sertraline (HR 1.75), which its authors say needs confirmation — a point to raise with a prescriber rather than a settled finding.5
Evidence-backedIf you notice genital numbness or persistent sexual problems after stopping an SSRI
PSSD is recognised by standardised 2022 criteria and has drawn EMA warnings, and it is distinguished from depressive relapse by somatic features such as genital numbness.4
Evidence-backedIf you are pregnant, elderly or an adolescent
these groups are flagged as carrying special SSRI risks and as understudied, so the safety review recommends individualised risk-benefit assessment.6
Evidence-backedThe full story · 3 chapters
What safety warnings apply to sertraline (Zoloft) and other SSRIs, and what does the evidence say about their risks?
Chapter 1: Suicidality warnings in children and adolescents
AI summary:Regulators warned in 2003 about suicidal thinking in under-18s; reviews find raised suicide-related risk in adolescents but not adults, with completed suicide still unclear.
Evidence-backed: US and UK regulators raised concerns in 2003 that treating depression in under-18s with SSRIs might increase suicidal thinking or suicide attempts, prompting the American College of Neuropsychopharmacology to convene a task force to evaluate safety and efficacy in depressed youth.1
Evidence-backed: A review of the trial evidence concluded that SSRIs are associated with an increased risk for attempted or completed suicide in adolescents, but not in adults or the elderly.2
Evidence-backed: A Cochrane review of SSRIs for depression in children and adolescents found higher rates of adverse events where reported, and concluded that caution is needed: trials had high attrition and inconsistent outcome measures, patients in practice are likely sicker and at greater suicide risk than trial participants, and it is unclear what effect SSRIs have on completed suicide. Untreated depression itself carries suicide risk, and it is unclear whether SSRIs modify that risk in a clinically meaningful way.3
This part rests on
3. Selective serotonin reuptake inhibitors (SSRIs) for depressive disorders in children and adolescents
Where rates of adverse events were reported, this was higher for those prescribed SSRIs. AUTHORS' CONCLUSIONS: Caution is required to interpret the results. First, there were methodological issues, including high attrition, issues regarding measurement instruments and clinical usefulness of outcomes, often variously defined across trials. Second, patients seen in clinical practice are likely to be more unwell, and at greater risk of suicide, compared to those in the trials, and it is unclear how this group would respond to SSRIs. This needs to be considered, along with the evidence of an increased risk of suicide related outcomes in those treated with SSRIs. It is unclear what the effect of SSRIs is on suicide completion. While untreated depression is associated with the risk of completed suicide and impacts on functioning, it is unclear whether SSRIs would modify this risk in a clinically meaningful way.Read original source
1. ACNP Task Force Report on SSRIs and Suicidal Behavior in Youth
This Task Force report by the American College of Neuropsychopharmacology evaluates the safety and efficacy of selective serotonin reuptake inhibitor (SSRIs) antidepressants for depressed youth under 18 years. The report was undertaken after regulatory agencies in the United States and United Kingdom raised concerns in 2003 about the possibility that treatment of depression in children and adolescents with SSRIs may increase the risk of suicidal thinking or suicide attempts.Read original source
2. Review: SSRIs are associated with increased risk for attempted or completed suicide in adolescents but not in adults or the elderly
Am J Psychiatry. 2009;166:42-9. [PMID: 19047322] Google Scholar2 Cheung AH, Emslie GJ, Mayes TL. Review of the efficacy and safety of antidepressants in youth depression. J Child Psychol Psychiatry. 2005;46:735-54. [PMID: 15972068] Google Scholar3 Gibbons RD, Brown CH, Hur K, et al. Early evidence on the effects of regulators’ suicidality warnings on SSRI prescriptions and suicide in children and adolescents. Am J Psychiatry. 2007;164:1356-63. [PMID: 17728420] Google Scholar Author, Article, and Disclosure InformationAuthors: Amy Cheung, MD, MScAffiliations: University of Toronto, Toronto, Ontario, Canada (A.C.)This article was published at Annals.org on 2 June 2009. PreviousarticleNextarticle Advertisement FiguresReferencesRelatedDetails Metrics 16 June 2009Volume 150, Issue 12Page: JC6-13KeywordsAdolescentsAntidepressantsClinical trialsCohort studiesElderlyFood and Drug AdministrationSelective serotonin reuptake inhibitorsSelf harmSuicideSystematic reviews ePublished: 16 June 2009 Issue Published: 16 June 2009 Copyright & PermissionsCopyright © 2009 by American College of Physicians. All Rights Reserved.PDF downloadLoading ...Read original source
3 independent sources
Drawn from this chapter's text
Chapter 2: Other labelled and discussed risks
AI summary:Lesser-known concerns include akathisia, persistent sexual dysfunction after stopping, metabolic and cognitive effects, and a QTc signal for sertraline versus escitalopram.
Evidence-backed: A 2026 review of SSRI safety describes lesser-known problems including akathisia, post-SSRI sexual dysfunction, metabolic issues and possible cognitive effects, and notes that pharmacovigilance databases such as WHO VigiBase and the FDA Adverse Event Reporting System show disproportionate reporting signals for certain SSRIs. It highlights special risks in the elderly, adolescents and pregnant women, and calls for individualised prescribing and long-term monitoring.6
Evidence-backed: On persistent sexual dysfunction, a 2026 review reports that PSSD remains under-recognised despite warnings from regulators such as the EMA. It cites prevalence estimates of persistent symptoms in up to 74% of affected cohorts beyond six months, proposes a multifactorial mechanism (5-HT1A receptor desensitisation, neurosteroid depletion, epigenetic changes in reward circuits), and notes diagnosis rests on 2022 standardised criteria that distinguish it from depressive relapse by features such as genital numbness. No treatment is approved, though dopamine agonists and low-power laser therapy show preliminary promise.4
Evidence-backed: On cardiac risk, a 2026 multicentre study of real-world prescribing found no clear differences for most safety outcomes between antidepressant cohorts, but a significantly increased calibrated risk of QTc prolongation with sertraline compared with escitalopram (HR 1.75, 95% CI 1.10–2.78), which the authors describe as a signal needing further confirmation.5
Interpretation: Serotonin syndrome, discontinuation effects and bleeding are part of the recognised SSRI safety picture, but the sources here discuss them only in general terms without incidence data, so their size cannot be stated from this material.6
Chapter 3: Dose and the balance of benefit and harm
AI summary:Sertraline beats placebo on depression scores and both benefit and adverse effects rise with dose, with total adverse reactions dipping between 50 and 150 mg.
Evidence-backed: A dose-response meta-analysis of 21 randomised trials (4,235 patients) found sertraline reduced depression scores more than placebo (HAM-D mean difference −2.34, 95% CI −2.93 to −1.76), with therapeutic response increasing with dose. Dropout for adverse effects and the rate of adverse effects were higher with sertraline than placebo. The risk of total adverse reactions slightly decreased between 50 and 150 mg and increased above 150 mg, so both efficacy and safety are dose-dependent.7
This part rests on
7. Selection of the optimal dose of sertraline for depression: A dose-response meta-analysis of randomized controlled trials
However, the relationship between the dosage of sertraline and its efficacy and safety are unclear. We identified RCTs that compared sertraline with placebo for the treatment of depression, conducted conventional meta-analyses on the efficacy and safety of sertraline, and assessed the nonlinear dose-response relationship between sertraline dosage and the changes in HAM-D and CGI-S scores, dropout from care for any reason or due to adverse effects, and the rate of adverse effects, using a 1-stage restricted cubic spline regression model. Twenty-one RCTs involving 4,235 patients were included. The pooled mean differences (MD) in the change in HAM-D total score [MD=-2.34, 95% confidence interval (CI) -2.93, -1.76], CGI-S score and MADRS score, but also the dropout rate for adverse effects, and rate of adverse effects were higher in sertraline group. The therapeutic response of sertraline for treating depression increased with the dosage. Meanwhile, the risk of total adverse reactions slightly decreased between 50 and 150 mg, and increased at doses above 150 mg. The dose-dependence of both efficacy and safety need to be considered when choosing the optimal dosage of sertraline.Read original source
6. Safety Concerns, Mechanistic Pathways, and Knowledge Gaps in the Clinical Use of Selective Serotonin Reuptake Inhibitors.
Recent studies have reported lesser-known problems, such as akathisia, post-SSRI sexual dysfunction, metabolic issues, and possible effects on cognition. Large-scale pharmacovigilance analyses, such as those of the WHO VigiBase and Food and Drug Administration Adverse Event Reporting System, demonstrate that certain SSRIs carry disproportionate reporting signals, underscoring the need for individualized prescribing and long-term monitoring. This review further discusses the genetic and pharmacogenomic determinants of treatment response, as well as special population risks, such as those in the elderly, adolescents, and pregnant women, and regulatory measures aimed at mitigating harm. By critically integrating clinical, mechanistic, and real-world evidence, this review identifies significant knowledge gaps, particularly concerning long-term safety and understudied populations, and offers recommendations for future research. Clinicians should adopt a patient-centered risk-benefit evaluation, balancing therapeutic efficacy with safety concerns.Read original source
2 independent sources
- Low doseSome benefit, some adverse effects
- 50 to 150 mgTotal adverse reactions slightly decrease
- Above 150 mgTotal adverse reactions increase
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3 open questions
- ResearcherLooks for evidenceFrom this page
The page says the effect of SSRIs on completed suicide remains unclear. What study design or data source would best separate completed suicide from suicidal thinking and attempts in adolescents and adults?
- ChallengerTests an assumptionFrom this page
The sertraline QTc signal comes from a single observational database study. In what settings or patient groups might that signal not apply, and what would change how much weight to give it?
- ExplorerInvites experienceFrom this page
The page notes the PSSD figure of up to 74% describes selected cohorts, not everyone who takes an SSRI. What would you want to know about how such cohorts are recruited before interpreting that number?
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Fill in the blank: ?% of affected cohorts had persistent sexual symptoms beyond six months
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Have you experienced any side effects from taking an SSRI antidepressant?
Join free to voteAlready a member? Sign in- Yes, I experienced at least one side effect38.1%
- No, I did not experience any side effects61.9%
“Regarding side effects, 61.9% of users reported no side effects, while 38.1% experienced at least one, with digestive symptoms being the most common (26.7%).”
From Prevalence of the Common Side Effects of SSRI in the Primary Care in Saudi Arabia, International Neuropsychiatric Disease Journal (Almulhim et al.). The study asked about side effects generally among SSRI users; the poll asks readers about their own experience. Shown for comparison; not counted in SyloSpace answers.
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What to remember
Try to recall each hidden figure before you reveal it. Remembering, not rereading, is what makes it stick.
Sertraline's benefit and its adverse-effect risk both rise with dose, with total adverse reactions dipping between and 150 mg and rising above 150 mg.
The best-known SSRI warning is the boxed warning on increased suicidal thinking and behaviour in children and adolescents, prompted by 2003 regulatory concerns.
Reviews find increased suicide-related risk in adolescents but not adults or the elderly; the effect on completed suicide remains unclear.
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- 1ACNP Task Force Report on SSRIs and Suicidal Behavior in YouthNeuropsychopharmacology (Mann et al.)Published Nov 23, 2005Checked Oct 18, 2026
“This Task Force report by the American College of Neuropsychopharmacology evaluates the safety and efficacy of selective serotonin reuptake inhibitor (SSRIs) antidepressants for depressed youth under 18 years. The report was undertaken after regulatory agencies in the United States and United Kingdom raised concerns in 2003 about the possibility that treatment of depression in children and adolescents with SSRIs may increase the risk of suicidal thinking or suicide attempts.”
- 2Review: SSRIs are associated with increased risk for attempted or completed suicide in adolescents but not in adults or the elderlyAnnals of Internal Medicine (Cheung)Published Jun 1, 2009Checked Oct 18, 2026
“Am J Psychiatry. 2009;166:42-9. [PMID: 19047322] Google Scholar2 Cheung AH, Emslie GJ, Mayes TL. Review of the efficacy and safety of antidepressants in youth depression. J Child Psychol Psychiatry. 2005;46:735-54. [PMID: 15972068] Google Scholar3 Gibbons RD, Brown CH, Hur K, et al. Early evidence on the effects of regulators’ suicidality warnings on SSRI prescriptions and suicide in children and adolescents. Am J Psychiatry. 2007;164:1356-63. [PMID: 17728420] Google Scholar Author, Article, and Disclosure InformationAuthors: Amy Cheung, MD, MScAffiliations: University of Toronto, Toronto, Ontario, Canada (A.C.)This article was published at Annals.org on 2 June 2009. PreviousarticleNextarticle Advertisement FiguresReferencesRelatedDetails Metrics 16 June 2009Volume 150, Issue 12Page: JC6-13KeywordsAdolescentsAntidepressantsClinical trialsCohort studiesElderlyFood and Drug AdministrationSelective serotonin reuptake inhibitorsSelf harmSuicideSystematic reviews ePublished: 16 June 2009 Issue Published: 16 June 2009 Copyright & PermissionsCopyright © 2009 by American College of Physicians. All Rights Reserved.PDF downloadLoading ...”
- 3Selective serotonin reuptake inhibitors (SSRIs) for depressive disorders in children and adolescentsCochrane Database of Systematic Reviews (Hetrick et al.)Published Jul 3, 2007Checked Oct 18, 2026
“Where rates of adverse events were reported, this was higher for those prescribed SSRIs. AUTHORS' CONCLUSIONS: Caution is required to interpret the results. First, there were methodological issues, including high attrition, issues regarding measurement instruments and clinical usefulness of outcomes, often variously defined across trials. Second, patients seen in clinical practice are likely to be more unwell, and at greater risk of suicide, compared to those in the trials, and it is unclear how this group would respond to SSRIs. This needs to be considered, along with the evidence of an increased risk of suicide related outcomes in those treated with SSRIs. It is unclear what the effect of SSRIs is on suicide completion. While untreated depression is associated with the risk of completed suicide and impacts on functioning, it is unclear whether SSRIs would modify this risk in a clinically meaningful way.”
- 4Post-SSRI Sexual Dysfunction (PSSD): A comprehensive review of epidemiology, pathophysiology, and clinical management.The International journal of risk & safety in medicine (Xie et al.)Published Jul 10, 2026Checked Oct 18, 2026
“Despite recent warnings from regulatory bodies like the EMA, PSSD remains under-recognized.MethodsA systematic review was conducted using PubMed, Web of Science, and Scopus databases up to April 2024. Studies focusing on PSSD pathophysiology, diagnostic criteria, and therapeutic interventions were analyzed.ResultsPrevalence estimates suggest persistent symptoms in up to 74% of affected cohorts beyond 6 months. The pathophysiology is multifactorial, involving 5-HT1A receptor desensitization, neurosteroid (allopregnanolone) depletion via 5α-reductase inhibition, and epigenetic silencing of dopaminergic reward circuits. Diagnosis is clinical, based on 2022 standardized criteria, distinguishing PSSD from depressive relapse by specific somatic symptoms like genital numbness. No FDA-approved treatments exist, though off-label use of dopamine agonists and low-power laser therapy shows preliminary promise.ConclusionPSSD is a severe iatrogenic condition requiring heightened pharmacovigilance. Future research must prioritize biomarker identification and prospective trials for targeted neurosteroid therapies.”
- 5Real-World Antidepressant Prescribing Patterns and Comparative Safety Outcomes of Commonly Prescribed Antidepressants in Patients with Depressive Disorder: A Multicenter OMOP-CDM Study.Pharmaceuticals (Basel, Switzerland) (Min et al.)Published Aug 24, 2026Checked Oct 18, 2026
“Selective serotonin reuptake inhibitors, particularly escitalopram (21.4%, n = 2868), were the preferred antidepressant. Common adjunctive medications included trazodone (14.6%, n = 794) and quetiapine (14.0%, n = 761), though utilization varied across hospitals. No clear differences were detected for most safety outcomes between cohorts. However, empirically calibrated QTc prolongation risk was significantly increased with sertraline relative to escitalopram (HR 1.75, 95% CI 1.10-2.78), a signal requiring further confirmation. This study demonstrates substantial institutional variation exists in real-world antidepressant treatment pathways and combination strategies. While comparative safety profiles were broadly comparable across evaluated outcomes, the isolated QTc prolongation signal for sertraline warrants targeted external confirmation.”
- 6Safety Concerns, Mechanistic Pathways, and Knowledge Gaps in the Clinical Use of Selective Serotonin Reuptake Inhibitors.Cureus (Chan)Published Jan 3, 2026Checked Oct 18, 2026
“Recent studies have reported lesser-known problems, such as akathisia, post-SSRI sexual dysfunction, metabolic issues, and possible effects on cognition. Large-scale pharmacovigilance analyses, such as those of the WHO VigiBase and Food and Drug Administration Adverse Event Reporting System, demonstrate that certain SSRIs carry disproportionate reporting signals, underscoring the need for individualized prescribing and long-term monitoring. This review further discusses the genetic and pharmacogenomic determinants of treatment response, as well as special population risks, such as those in the elderly, adolescents, and pregnant women, and regulatory measures aimed at mitigating harm. By critically integrating clinical, mechanistic, and real-world evidence, this review identifies significant knowledge gaps, particularly concerning long-term safety and understudied populations, and offers recommendations for future research. Clinicians should adopt a patient-centered risk-benefit evaluation, balancing therapeutic efficacy with safety concerns.”
- 7Selection of the optimal dose of sertraline for depression: A dose-response meta-analysis of randomized controlled trialsPsychiatry Research (Luo et al.)Published Aug 1, 2023Checked Oct 18, 2026
“However, the relationship between the dosage of sertraline and its efficacy and safety are unclear. We identified RCTs that compared sertraline with placebo for the treatment of depression, conducted conventional meta-analyses on the efficacy and safety of sertraline, and assessed the nonlinear dose-response relationship between sertraline dosage and the changes in HAM-D and CGI-S scores, dropout from care for any reason or due to adverse effects, and the rate of adverse effects, using a 1-stage restricted cubic spline regression model. Twenty-one RCTs involving 4,235 patients were included. The pooled mean differences (MD) in the change in HAM-D total score [MD=-2.34, 95% confidence interval (CI) -2.93, -1.76], CGI-S score and MADRS score, but also the dropout rate for adverse effects, and rate of adverse effects were higher in sertraline group. The therapeutic response of sertraline for treating depression increased with the dosage. Meanwhile, the risk of total adverse reactions slightly decreased between 50 and 150 mg, and increased at doses above 150 mg. The dose-dependence of both efficacy and safety need to be considered when choosing the optimal dosage of sertraline.”
- 8Prevalence of the Common Side Effects of SSRI in the Primary Care in Saudi ArabiaInternational Neuropsychiatric Disease Journal (Almulhim et al.)Published Nov 29, 2024Checked Oct 18, 2026
“In this study of 176 SSRI users in the Eastern Province of Saudi Arabia, participants ranged in age from 18 to over 60 years, with the largest group (38.1%) aged 31-40 years. Females represented 60.8% of the sample. The most commonly prescribed SSRI was Escitalopram (Cipralex) (30.7%), followed by Paroxetine (Seroxat) (21.0%) and Citalopram (Cipramil) (20.5%). Most users reported taking SSRIs for depression (75.6%) and anxiety/stress (39.2%). Regarding side effects, 61.9% of users reported no side effects, while 38.1% experienced at least one, with digestive symptoms being the most common (26.7%). The study emphasizes the importance of monitoring side effects in patients taking SSRIs, as they can significantly impact treatment adherence and quality of life. Side effects are more prevalent in the early stages, but decrease as users adapt to the medication. Further research is needed to understand long-term effects and develop strategies for improved treatment adherence.”
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Published 2 times since Oct 18, 2026.
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Open questions
Do SSRIs change the risk of completed suicide, as opposed to suicidal thinking and attempts, in adolescents and adults?
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Does the QTc prolongation signal for sertraline versus escitalopram hold up in independent, prospectively designed studies?
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What proportion of all SSRI users — not just affected cohorts — develop persistent sexual dysfunction, and which mechanisms are causal?
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What are the long-term safety profiles in the elderly, pregnant women and adolescents, groups the reviews flag as understudied?
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