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Brazilian Journal of Clinical Medicine and Review

Mini Review

Vol. 3 No. 1 (2025): January/December - 2025

Telogen Effluvium in Patients After Bariatric Surgery: A Scoping Review

DOI
https://doi.org/10.52600/2965-0968.bjcmr.2025.3.1.bjcmr9
Submitted
May 3, 2024
Published
2024-07-24

Abstract

Telogen Effluvium (TE) is excessive hair loss caused by the premature transition of follicles to the resting phase. After bariatric surgery, especially in women, hair loss is associated with nutrient deficiencies, although the exact cause is still uncertain. A structured review, following PRISMA-ScR, was conducted in July 2023 to evaluate the prevalence of telogen effluvium after bariatric surgery, using data from PubMed, BVS, and Scielo. After bariatric surgery, hair loss is linked to nutritional deficiencies (zinc, iron, proteins, vitamin B12, and folic acid) and rapid weight loss. The surgery affects nutrient absorption, making it essential to monitor and address the nutritional needs of patients. Hair loss after bariatric surgery is common, especially in women between the third and sixth months, due to nutritional deficiencies, stress, and restrictive diets. Supplementation with zinc, vitamins C and D, as well as medications, can help. The study highlights the relationship between vitamin deficiencies (such as zinc, iron, and vitamin B12) and telogen effluvium after bariatric surgery. However, it notes the need for more studies, including randomized research. This underscores the importance of monitoring and treating these deficiencies in post-bariatric surgery patients.

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