It can be used in chronic fever, gouts, vomiting, cardiac debility, skin diseases anemia, cough, jaundice, seminal weakness, leprosy Effective in removing both exogenous and endogenous toxins. It also cleans out the brain toxins that disturb mental function. The holy basil is also a herbal remedy for a lot of common ailments. Here some medicinal uses of tulsi Good for Fever & Common Cold, Coughs and flu How to use: (In the morning) 30 ml empty stomach. (In evening) 30 ml 1 hour after dinner.