Herbal medicines use among HIV/AIDS patients on antiretroviral therapy and its influence on viral suppression and CD4 count: A survey at a tertiary hospital in Tanzania

Objectives

This study aimed to determine the magnitude of concurrent use of herbal medicines with ART, its associated factors and effect on viral load suppression and CD4 count among people living with HIV.

Study design

This was a cross-sectional study involving 375 HIV positive patients on ART attending at care and treatment clinic (CTC).

Methods

Data were obtained through face-to-face interviews using pre-structured questionnaires and patient's files through a checklist. Adherence was assessed though pill count method while CD4 count and viral load suppression were assessed using the Tanzania National guidelines for the management of HIV and AIDS. Data were analysed using STATA version 15. Independent predictors for herbal medicine use or viral suppression were assessed using univariate and multivariate logistic regression.

Results

Out of 375 PLHIV, 37 (35%) reported to use herbal medicines concurrently with ART. Predictors for herbal medicines use were existence of chronic disease (OR = 4.53; CI = 1.87–10.95) (p = 0.001), male gender (OR = 0.57; CI = 0.35–0.93) (p = 0.02) and HIV clinical stage (OR = 1.71; CI = 0.99–2.94) (p = 005). PLHIV who used herbal medicines along with ART did not have a significantly higher chance of achieving viral suppression than PLHIV who did not use herbal medicines (OR = 1.42; CI = 0.71–2.82). There was no statistically significant difference on CD4 count (p = 0.8943) and viral load (p = 0.8612) between herbal medicines users and non-users.

Conclusion

The utilization of herbal medicine among PLHIV on ART remains notably prevalent. Nonetheless, it is worth noting that despite the prevailing herbal medicine usage, there is no substantial effect on viral suppression. The primary determinants of the adoption of herbal medicines use were having chronic medical conditions and the stage of progression of the HIV infection.