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Sertraline Side Effects: Seek Urgent Help
31 Oct
Summary
- Early antidepressant treatment can confuse with mixed symptom improvement.
- Worsening mood or severe agitation require immediate medical contact.
- Never abruptly stop or change antidepressant dosage without consulting doctor.

New guidance highlights potential confusion during the initial weeks of antidepressant treatment, with some symptoms improving while others require medical intervention. Patients may experience side effects such as nausea, altered sleep patterns, increased anxiety, or agitation. It is crucial to monitor mood changes closely, as worsening depression or severe agitation should not be ignored.
Seeking prompt medical advice is essential if experiencing such symptoms. Individuals with thoughts of self-harm or severe agitation are advised to contact NHS 111, emergency services, or attend A&E if in immediate danger. The warning is particularly relevant as antidepressants can sometimes be linked to new or worsening self-harm thoughts, especially early in treatment or after dose adjustments.
Abruptly stopping or altering the dose of sertraline without professional consultation can lead to withdrawal symptoms. Healthcare providers recommend informing a trusted individual about starting treatment and noting any experienced changes to aid monitoring and management.