Toxicity of Commonly Used Medicinal Plants in Uganda: A Review

Abstract

Uganda is rich in biodiversity, with a vast array of medicinal plants that have been used for generations to generations to treat various ailments. Medicinal plants play a significant role in Ugandan healthcare, particularly in rural and urban areas where access to modern medicine is limited. However, the widespread use of medicinal plants raises concerns about their safety and potential toxicity. Despite their widespread use, the safety and toxicity profiles of many of these plants remain inadequately studied, posing potential public health risks. This article evaluates the toxicity of commonly used medicinal plants in Uganda, including Vernonia amygdalina, Warburgia ugandensis (Uganda heart), Prunus africana (African Cherry), Abus precatorius, Agave sisalana Perrine, Azadirachta Indica (Neem), Illium sativum, Annona muricata, Moringa oleifera ( Moringa), Yam leaves (Mutene), Capsicum annum, Carica papaya and Citrus limonum Risso. These plants are frequently used to treat ailments such as malaria, gastrointestinal disorders, respiratory infections, and skin diseases. We explore the importance of evaluating the toxicity of these commonly used medicinal plants in Uganda, the methods used for assessment, and examples of plants with potential toxic effects. This review article emphasizes the importance of dosage and preparation methods, as toxicity often correlates with concentration and solvent type. We advocate for the integration of scientific validation into traditional medicine practices and highlight the urgent need for public health education on the safe use of herbal remedies to ensure the efficacy and safety of these plants.