Ans: Benzoic acid is used in many medical products in the form of salicylic acid but it is more commonly used as a salt in medicines. Sodium benzoate is typically present as an excipient in many medicinal products that are consumed orally, injected, or topically taken. There is a long history behind the use of benzoic acid as an antifungal agent in various therapeutic preparations. The compound is also administered orally or intravenously in form of an active substance to the children or infants for treating hyperammonemia that results from disorders caused by urea. Thus, there is a vast scope of benzoic acid uses in pharmacy.