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Diet and rosacea: the role of dietary change in the management of rosacea.

Dermatol Pract Concept. 2017 Oct;7(4):31-37

Authors: Weiss E, Katta R

Abstract
Dietary change may play a role in the therapy of rosacea. Certain foods and beverages may act as "triggers" for rosacea exacerbations. These may be divided into heat-related, alcohol-related, capsaicin-related, and cinnamaldehyde-related. One potential pathogenic mechanism may be via the activation of transient receptor potential cation channels, which result in neurogenic vasodilatation. Further research is needed on the role of the gut skin connection in rosacea. Epidemiologic studies suggest that patients with rosacea have a higher prevalence of gastrointestinal disease, and one study reported improvement in rosacea following successful treatment of small intestinal bacterial overgrowth. While further research is required in this area, patients may be advised on measures to support a healthy gut microbiome, including the consumption of a fiber-rich (prebiotic) diet.

PMID: 29214107 [PubMed]

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"Young men with acne have also been studied with respect to their diet. Smith et al recently studied 43 men (15–25 years) with acne who were given instructions to follow a high carbohydrate diet similar to their current diet (control group) compared to a group given instructions to follow a low glycemic load diet for 12 weeks. There was a significant decrease in the number of acne lesions following diet modification in the low glycemic load group compared to the control group."

The Role of Diet in Acne and Rosacea
JCAD Online Editor | September 16, 2008
by Jonette E. Keri, MD, PhD, and Adena E. Rosenblatt
Department of Dermatology, University of Miami Miller School of Medicine, Miami, Florida