The present synergistic herbal compositions comprising herbal ingredients extracted from at least two herbal species selected from the group consisting of Ocimum basilicum, Agathosma betulina, Cinnamomum cassia, Cinnamomum verum and Apium graveolens helps maintain the electrolyte and fluid balance by exerting its inhibitory secretory activity and by increasing the absorptive capacity of the intestine to prevent dehydration during an episode of infectious and non-infectious diarrhoea and in dehydration associated with various clinical and non-clinical conditions
