H. Pylori infection 2
"Results: There were statistically significant increase in anti-Helicobacter immunoglobulin G index in severe acne group (P<0.001), positive correlation between antibody index and acne score (P=0.02), and statistically significant decrease in total lesion count after triple therapy in all groups (P=0.002, 0.04, 0.001), respectively."
Khashaba, Shrook A.a,; Diab, Nagwa A.a; Abdallah, Eman A.a; Said, Nora M.b. Prevalence of Helicobacter pylori and impact of its eradication in acne vulgaris: a prospective cohort study. Journal of the Egyptian Women's Dermatologic Society 17(1):p 45-49, Jan–Apr 2020. | DOI: 10.4103/JEWD.JEWD_50_19
"Conclusion: This study concluded that frequency of helicobacter pylori infection in patients of acne vulgaris is very high and these patients should be screened for helicobacter pylori infection"
Khalid, Zonish, et al. "Frequency of helicobacter pylori infection in patients of acne vulgaris." Pakistan Journal of Medical and Health Sciences 15.6 (2021): 1411-1414.
"Based on the findings of the present study, a significant association was present between severe Acne vulgaris and HP infection. "
Effat Khodaeiani, Monireh Halimi and Amir Hagigi, 2014. Severe Acne Vulgaris is Associated with Helicobacter pylori Infection: First Report in the Literature. Journal of Medical Sciences, 14: 92-96. (edited)