Rosacea and Gut Health and the Links with SIBO Reflux Leaky Gut
- Marcelline Goyen
- Mar 25
- 6 min read
Updated: 2 days ago

By Marcelline Goyen, BSc
Dermal Therapist, Skin-Gut Axis Specialist & Author
Published on: March 25, 2026
Table of Contents
Understanding Rosacea and Its Symptoms
Rosacea is a chronic skin condition that affects millions worldwide, often characterized by redness, visible blood vessels, and sometimes acne-like bumps. Recent research highlights a strong connection between rosacea and gut health, particularly involving conditions like small intestinal bacterial overgrowth (SIBO), leaky gut and acid reflux. This post explores the complex relationship between rosacea, gut health, reflux, SIBO and inflammation, offering insights into how improving gut health can help manage rosacea symptoms.
Rosacea primarily affects the face, causing persistent redness, flushing, and sometimes swelling or pimples. It often appears on the cheeks, nose, chin, and forehead. While the exact cause remains unclear, rosacea is linked to immune system dysfunction, environmental triggers, and vascular abnormalities. [PMC] [PMC2]
Common symptoms include:
Rosacea can significantly impact quality of life, affecting self-esteem and social interactions. Understanding underlying causes beyond the skin surface is crucial for effective management. PMCPubmed
The Gut-Skin Connection: How Gut Health, SIBO, Reflux, Leaky Gut Influences Rosacea
The gut and skin share a close relationship often referred to as the skin-gut axis. This connection means that imbalances in gut health can manifest as skin problems, including rosacea. The gut microbiome influences immune responses and inflammation throughout the body. Disruptions in gut bacteria can increase systemic inflammation, worsening skin conditions. TAYLOR NIH3 MDPI
Gut permeability ("leaky gut") allows toxins and bacteria to enter the bloodstream, triggering skin flare-ups. Research shows that many people with rosacea also experience gastrointestinal issues such as irritable bowel syndrome (IBS), acid reflux, and SIBO. These conditions contribute to chronic inflammation, which can exacerbate rosacea symptoms. TAYLOR Springer
Small Intestinal Bacterial Overgrowth (SIBO) and Rosacea
SIBO occurs when excessive bacteria grow in the small intestine, disrupting digestion and nutrient absorption. This overgrowth can cause bloating, diarrhea, and abdominal pain. Importantly, SIBO has been linked to rosacea in several studies. PMC NIH
Bacterial overgrowth increases intestinal permeability, allowing inflammatory substances to enter circulation. This systemic inflammation can trigger or worsen rosacea flare-ups. Treating SIBO with antibiotics or dietary changes has shown improvement in rosacea symptoms in some patients.
A landmark study found that nearly 50% of rosacea patients tested positive for SIBO, compared to only 20% in control groups. After SIBO treatment, many patients experienced significant skin improvement. AAFP NIH
Reflux, Inflammation, and Their Role in Skin Health
Acid reflux, or gastroesophageal reflux disease (GERD), is another common gut issue linked to rosacea. Reflux causes stomach acid to flow back into the esophagus, leading to irritation and inflammation. PMC
Chronic reflux increases systemic inflammation, which can worsen skin conditions. Acid reflux may alter the gut microbiome, promoting bacterial imbalances like SIBO. Furthermore, inflammation from reflux can activate immune pathways involved in rosacea. Managing reflux through lifestyle changes and medications can reduce inflammation and may help control rosacea symptoms. PMC
Managing Rosacea Through Gut Health
Addressing internal triggers offers a promising approach to calming facial flushing. Intestinal barrier dysregulation and microbial shifts must be addressed through structured, professional guidance.
Clinical Evaluation and Targeted Interventions
If cutaneous symptoms persist or distort your quality of life, it is crucial to consult a certified dermatologist, immunologist, or gastroenterologist for proper diagnostic testing—such as ruling out IgE-mediated allergies, running SIBO breath tests, or investigating mast cell disorders. Under medical supervision, a specialist can tailor targeted interventions, which may include prescribing specific antimicrobials (like rifaximin) to reduce small intestinal bacterial overgrowth or managing reflux protocols to control acute epidermal flares. MDPI
Therapeutic Strategies for the Skin-Gut-Axis
To repair the intestinal lining and support microbial balance, consider the following evidence-based approaches:
Strategy | Clinical Aim | Practical Implementation |
Dietary Modification | Minimize inflammatory triggers & reduce SIBO load. | Avoid alcohol, spicy dishes, and caffeine. Consider a temporary low-FODMAP protocol. |
Epithelial Support | Strengthen the intestinal tight junctions ("leaky gut"). | Utilize targeted nutrients such as L-glutamine and zinc under professional guidance. |
Microbial Balancing | Restore healthy gut bacteria populations. | Supplement with tailored probiotics. Note: Probiotic therapy requires a customized approach; consult a gut therapy specialist. |
Prebiotic Titration | Nourish beneficial microbes without triggering gas. | Use soluble fibers like psyllium or inulin. Always start with tiny amounts and build up slowly. |
For additional insights and practical tips, don’t miss my related article on this topic How Gut Health and Food Shapes the Skin Microbiome.
Frequently Asked Questions (FAQ)
What is the connection between rosacea and gut health? Research suggests that gut–skin interactions may influence how some people experience rosacea symptoms. These relationships vary widely, and individuals with persistent concerns should seek guidance from a qualified healthcare professional.
How does SIBO cause rosacea flare-ups? Some studies discuss an association between small‑intestinal bacterial overgrowth (SIBO) and changes in skin sensitivity, but responses differ per person. Anyone who suspects SIBO should consult a healthcare professional for assessment.
Can treating acid reflux improve rosacea? Managing reflux may help some individuals feel more comfortable overall, but effects on rosacea differ widely. A healthcare professional can help determine what is appropriate in each situation.
Are probiotics effective for rosacea? Probiotics are being studied for their potential role in supporting gut and skin balance. Effects vary depending on the individual and the specific strain. Those considering supplements should seek personalised advice from a qualified healthcare or nutrition professional.
Summary and Next Steps
Understanding the relationship between rosacea, gut health, reflux and conditions such as SIBO is an emerging area of research. Many people notice that supporting their overall gut and digestive wellbeing — for example through balanced nutrition, stress‑management and appropriate medical care — can influence how their skin feels. These responses vary widely between individuals. Anyone experiencing persistent rosacea symptoms or digestive concerns is encouraged to seek personalised guidance from a qualified healthcare professional. Rosacea and its gut‑related aspects are also explored in depth in my educational books on the skin–gut axis.
If you experience rosacea alongside digestive discomfort, it may be helpful to discuss this combination of symptoms with a qualified healthcare professional. Research suggests that gut–skin interactions can influence how some people experience rosacea, although responses vary widely between individuals. Personalised guidance can help determine what is most appropriate for your situation.
Scientific References
Sánchez-Pellicer, P., et al. (2024). Rosacea, microbiome and probiotics: the gut-skin axis. Frontiers in Microbiology. Journal Link
Goyen, MTM. The Amazing World of the Skin-Gut Axis, including the role of the Microbiome Volume II (2024). ISBN-13 : 979-8336973785. [BOOK]
Goyen, MTM. De huid-Darm Connectie Volume I (2019) EAN 9789463456210 [BOOK 1]
Maden, S. An Overview of Small Intestinal Bacterial Overgrowth and Gut Microbiota in Patients with Rosacea. Dermato 2026, 6, 9. https://doi.org/10.3390/dermato6010009 MDPI. Journal Link
Lazić Mosler E, Vekić Mužević M, Karlović D, Tarle M, Raguž M. Revisiting Rosacea Through the Skin-Gut-Brain Axis: A Neuroimmune Perspective. Life (Basel). 2026 Feb 18;16(2):347. doi: 10.3390/life16020347. PMID: 41752982; PMCID: PMC12941723.. Journal Link
Do NM. From Leaky Gut to Leaky Skin: A Clinical Review of Lifestyle Influences on the Microbiome. Am J Lifestyle Med. 2024 Oct 22:15598276241292605. doi: 10.1177/15598276241292605. Epub ahead of print. PMID: 39540169; PMCID: PMC11556587.. Journal Link
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Marcelline Goyen, BSc | Dermal Therapist & Author (The Netherlands)
Founder of www.skin-gut-axis.com

About Marcelline Goyen, BSc Marcelline Goyen, BSc is a Dermal Therapist (non-practicing), professional educator, and author specializing in the complex mechanics of the skin-gut axis. With over two decades of clinical experience, she is recognized as a pioneer and authority in understanding the skin-gut-brain connection. To make her specialized knowledge more widely accessible, her expertise has culminated in the publication of two books, which have since become fundamental literature for holistic skin rehabilitation. Alongside her writing, she shares her insights globally through masterclasses and webinars. Discover more about her books and clinical vision at www.skin-gut-axis.com.