Case Report: Panic attacks after tirzepatide injection in two female patients with recurrent depressive disorder.

Authors

Ulrich Palm, Markus Backmund, Hubertus Himmerich

Published in

Frontiers in drug safety and regulation. Volume 6. Pages 1880796. Epub Oct 07, 2026.

Abstract

Tirzepatide was introduced several years ago for the management of obesity. Its side-effect profile includes gastrointestinal symptoms and hormonal shifts similar to other glucagon-like peptide-1 receptor agonists (GLP-1RAs). This class of medications is currently being investigated for its potential utility in treating depressive and anxiety disorders. While safety data generally indicate a low risk for adverse psychiatric events - such as suicidal ideation or depressive episodes - and some evidence suggests a beneficial impact on mood, anecdotal reports have linked these agents to panic attacks. However, scientific evidence for this remains limited. We present the cases of two female patients with histories of depressive disorder who experienced panic attacks following tirzepatide injections for weight loss. Both required hospitalization for the exacerbation of moderate-to-severe recurrent depressive disorder. The panic attacks occurred in close temporal proximity to the injections and resolved upon discontinuation. No clear medical aetiology was identified. Changes in pharmacokinetics by delayed gastric emptying, GABAergic deficits, an activation of the nucleus of the solitary tract (NTS) or activation of the hypothalamus-pituitary-adrenal axis are considered as potential mechanisms for panic attacks.

PMID:
42909188
Bibliographic data and abstract were imported from PubMed on 23 Oct 2026.

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