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For years, clinicians have noticed that patients with gastroesophageal reflux disease (GERD) often also struggle with anxiety or depression. But is the relationship causal? Which comes first? A new retrospective study from a tertiary hospital in Chengdu, China, provides compelling evidence that the link between GERD and mental health is strong, bidirectional, and clinically significant【1】.
The study, which used ordered logistic regression to analyse data from 518 patients with typical reflux symptoms, integrated 24‑hour pH monitoring with Hospital Anxiety and Depression Scale (HADS) scores. Its findings suggest that anxiety and moderate‑to‑severe depression are independent risk factors for GERD, while also showing that more severe reflux is associated with higher levels of psychological distress【1】.
The study revealed several important patterns:
Anxiety and depression severity correlated directly with GERD incidence: As scores for anxiety and depression increased, so did the likelihood of having objectively confirmed GERD【1】.
Gender differences: While women in the study had higher overall susceptibility to anxiety and depression, logistic regression showed that men had a higher prevalence of GERD – highlighting the complex interplay of biological, psychological, and socio‑cultural factors【1】.
Age and education matter: Older age was associated with more severe depression among GERD patients, and lower educational levels correlated with a higher risk of depression, suggesting that socio‑economic factors influence psychological wellbeing and, indirectly, reflux outcomes【1】.
The researchers also identified body mass index (BMI) as a significant risk factor for GERD, reinforcing the importance of lifestyle modifications. Interestingly, factors like strong tea consumption, smoking, and alcohol intake showed inconsistent associations – warranting further investigation.
This research underscores a critical point: effective GERD management cannot focus solely on the oesophagus. The brain‑gut axis – the bidirectional communication system between the central nervous system and the digestive tract – means that psychological distress can lower the threshold for perceiving reflux symptoms, increase oesophageal sensitivity, and even promote more frequent reflux episodes【2】. Conversely, chronic reflux symptoms can disrupt sleep, limit dietary choices, and cause social embarrassment, fuelling anxiety and depression.
The study’s authors note that addressing psychological health could be a valuable component of GERD treatment, especially for patients who do not respond adequately to acid‑suppressing medications alone【1】.
For patients experiencing both reflux symptoms and mental health challenges, a critical first step is objective confirmation that reflux is truly present. Relying solely on symptom checklists or empirical acid suppression can lead to misdiagnosis or delayed treatment, feeding the cycle of uncertainty and anxiety.
Pepfast pepsin detection kit offers a simple, non‑invasive reflux test that detects the presence of pepsin – a stomach enzyme that should never be found in saliva. A positive result provides direct, objective evidence of gastric reflux, helping clinicians move beyond symptom‑based guessing. This clarity can reduce patient anxiety, guide appropriate treatment (e.g., lifestyle changes, alginate barrier therapy, or targeted acid suppression), and monitor response over time.
This research, while limited by its retrospective, single‑centre design, adds to a growing consensus that effective reflux care must address both body and mind. Future studies are likely to explore psychological adjustment methods – such as cognitive behavioural therapy, mindfulness, or stress reduction – as adjuncts to conventional reflux therapy.
For now, patients with persistent heartburn, regurgitation, or extra‑oesophageal symptoms (chronic cough, hoarseness, throat clearing) should consider objective testing like Pepfast saliva detection kit. And if anxiety or depression is also present, discussing this with a healthcare provider – and possibly a mental health professional – is an important step toward breaking the reflux‑stress cycle.
About Maxhealth Innovative
Maxhealth Innovative Meditech (Wuxi) Co., Ltd. provides end‑to‑end diagnostic and therapeutic solutions for GERD and LPR, including Pepfast (rapid non‑invasive pepsin test), Peptest (lab‑based confirmatory test), and Gasrelief (alginate physical barrier therapy). All products hold CE, FDA, and NMPA clearances. For distribution inquiries, please contact our commercial team.
1. Can anxiety and depression actually cause GERD?
The study found that anxiety and moderate‑to‑severe depression are significant risk factors for GERD. Psychological distress can increase oesophageal sensitivity, alter gut motility, and promote reflux episodes via the brain‑gut axis【1】【2】.
2. I take acid medication, but my reflux symptoms persist – could stress be the reason?
Possibly. The study shows that even when acid is suppressed, psychological factors can amplify symptom perception. Objective testing with Pepfast can confirm whether ongoing reflux is occurring, while addressing stress or anxiety may help reduce symptom burden.
3. How can a non‑invasive reflux test like Pepfast help if I also have anxiety?
Uncertainty about symptoms often fuels anxiety. Pepfast provides objective evidence – a clear yes/no answer about whether pepsin (a direct biomarker of reflux) is present in your saliva. This clarity can guide treatment decisions, reduce “what if” worry, and help you and your doctor target the real problem.
【1】Analysing the Correlation Between Gastroesophageal Reflux Disease and Anxiety and Depression Based on Ordered Logistic Regression. World Journal of Gastroenterology. 2024;30(25):3120‑3130.
【2】Kessing BF, Bredenoord AJ, Saleh CM, Smout AJ. Effects of anxiety and depression in patients with gastroesophageal reflux disease. Clinical Gastroenterology and Hepatology. 2015;13(6):1089‑1095.
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