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A landmark international review finds the common antidepressant fluoxetine offers no significant clinical benefit to children, prompting urgent questions about Kenya's mental health treatment protocols amid rising youth depression rates.

NAIROBI—A comprehensive new scientific review has concluded that fluoxetine, widely known by its brand name Prozac, is clinically no more effective than a placebo for treating depression in children and adolescents. The findings, published on Friday, 21 November 2025, in the Journal of Clinical Epidemiology, challenge decades of established medical practice and have significant implications for healthcare providers and families in Kenya. The meta-analysis, conducted by researchers in Austria and the United Kingdom, examined 12 major trials published between 1997 and 2024. The authors assert that the minor statistical improvement seen with the drug is not clinically meaningful, arguing the potential risks of harmful side-effects likely outweigh any benefits.
Martin Plöderl, a clinical psychologist at Paracelsus Medical University in Salzburg, Austria, and the study's lead author, stated that the difference was too small to be noticeable to patients or their doctors. This conclusion directly questions prescribing guidelines in countries like the UK, where the National Institute for Health and Care Excellence (NICE) permits the use of fluoxetine alongside therapy for under-18s with moderate to severe depression.
These international findings arrive as Kenya grapples with a significant and growing youth mental health crisis. According to the World Health Organization (WHO), one in seven adolescents aged 10-19 globally experiences a mental health condition. In Kenya, the figures are alarming. A 2022 National Adolescent Mental Health Survey revealed that over 40% of Kenyan adolescents had experienced a mental health problem in the preceding year, with one in eight meeting the criteria for a clinical disorder. Studies in specific counties have reported even higher rates, with a 2020 study in Homa Bay County finding a 57.5% prevalence of clinical depression among secondary school students. Another study in Makueni County found a depression prevalence of 58.9%.
Despite these high numbers, access to care remains critically low. A study focusing on Nairobi youth found that while 68% experienced symptoms of depression or anxiety, only 12% had sought professional help, with stigma and lack of awareness being major barriers. This treatment gap raises critical questions about current practices. While Kenya's Ministry of Health has a Mental Health Action Plan (2021-2025) and clinical guidelines for common mental disorders, specific, updated protocols for adolescent antidepressant use are not widely publicized. The country's drug regulation is handled by the Pharmacy and Poisons Board (PPB), which oversees the safety and quality of all medicines. Fluoxetine is available in Kenya by prescription for treating depression and other disorders.
The debate over fluoxetine's use in young people is intensified by its known side effects. Medical authorities warn that the drug can cause agitation, irritability, and, in some cases, an increase in suicidal thoughts and tendencies, particularly in teenagers and young adults. Other common side effects include sleep disturbance, anxiety, weight changes, and sexual dysfunction. The new study argues that exposing young people to these risks is unjustifiable for a treatment that offers no significant clinical advantage over a placebo.
Historically, fluoxetine was considered one of the few antidepressants with evidence supporting its use in adolescents, a position that informed many national guidelines. However, this new meta-analysis suggests that early positive trials may have been affected by a "novelty bias," with later, more robust studies failing to replicate the initial optimistic results.
For Kenya, these findings necessitate an urgent review of pediatric and adolescent mental healthcare. The Ministry of Health's guidelines recommend psychotherapy as the first-line treatment for depression in adolescents. However, with a shortage of mental health professionals and significant barriers to accessing therapy, medication is often seen as a primary intervention. This new research challenges that paradigm, underscoring the need for greater investment in non-pharmacological treatments like cognitive-behavioral therapy (CBT) and robust family support systems. It calls for Kenyan health authorities, including the PPB and the Ministry of Health, to re-evaluate the evidence and provide clear, localized guidance for clinicians treating the nation's vulnerable youth.