Viodin 1% Mouthwash 100 ml is an antiseptic oral solution produced by Square Pharmaceuticals Ltd. in Bangladesh. It contains 1% w/v Povidone-Iodine, a broad-spectrum antimicrobial agent effective against bacteria, viruses, fungi, and protozoa. This mouthwash is commonly used for treating acute mucosal infections of the mouth and pharynx, as well as for maintaining oral hygiene before, during, and after dental procedures.