Kaskuthar Ras Reference – Bhaishajya-Ratnavali Kasarogadhikar 443/46 Introduction Kas kuthar ras is an effective remedy used in treating acute or chronic cough. This is a herbo-mineral Ayurvedic formulation. Ingredients Shuddha Hingula (Red sulphide of Mercury) Shuddha Gandhak (Purified Sulphur) Shuddha  Tankan (Citrus tankan) Maricha Churna (Powder of Piper nigrum) Shunthi Churna (Powder of Zingiber officinale) Pippali Churna (Powder of Piper longum) Description of Ingredients Shuddha Hingula – This is known as red sulphide of mercury and used in treating various