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Factors associated with herbal medicine use among patients with cancer attending a tertiary hospital in Southwestern Uganda: a cross sectional study

Author: Samuel Michael Nono, Julius Kyomya, Casim Umba Tolo, Amos Oyuru, Alex Duhimbaze and Tadele Mekuriya Yadesa
Publisher: Discover Oncology
Published: 2025
Section: Faculty of Clinical Medicine and Dentistry

Abstract

Background Herbal medicine use among patients with cancer is prevalent 
particularly in low- and middle-income countries. However, concerns about safety 
and potential interactions with chemotherapy emphasize the need to understand the 
prevalence and factors associated with herbal medicine use in this setting. Therefore, 
the aim of this study was to determine the prevalence and factors associated with 
herbal medicine use among patients with cancer at Mbarara Regional Referral Hospital 
(MRRH).
Methods We conducted a cross-sectional study between September 2023 and 
November 2023 at the oncology unit of MRRH. Data analysis was done using SPSS 
version 27. The demographic characteristics of the study participants were analyzed 
descriptively and presented as frequency and percentage. The prevalence of herbal 
medicine use was presented as a percentage. We employed both bivariate and 
multivariate logistic regression to determine the factors associated with herbal 
medicine use and statistical significance was considered at a p-value < 0.05.
Results A total of 358 patients were approached for the study and data from 303 
participants was used for analysis. The overall prevalence of herbal medicine use 
among patients with cancer attending the MRRH was 56.8% (172/303). Of the 172 
patients with cancer who use herbal medication, 46.4% (80/172) use herbal medication 
alongside conventional medication. Factors associated with herbal medicine use 
among the study participants include: stage III cancer (aOR = 2.7, 95% CI:1.3–5.3; 
p-value = 0.005), Stage IV cancer (aOR = 3.1, 95% CI: 1.5–6.3; p-value = 0.003), having a 
comorbid condition (aOR = 1.8, 95% CI:1.1–2.9; p-value = 0.026), and having received 
three or more cycles of chemotherapy (aOR = 2.5, 95% CI: 1.2–5.0; p-value = 0.014).
Conclusion The high prevalence of herbal medicine use among patients with cancer 
at MRRH indicates a strong reliance on complementary medicine, especially among 
those with advanced cancer and multiple comorbidities. Addressing this requires