Charak Samhita – Nidana Sthana – Chapter 5 (Kustha Roga) Abstract Charak Samhita is an ancient treatise which deals with basic concepts, Symptoms, causes, Diagnosis and its management. The author of this samhita is Acharya Charak. There are a total of 120 chapters in charaka samhita and 8 Sthana which are named as Sutra sthana, Nidana sthana, Chikitsa sthana, vimana sthana, indriya sthana, kalp sthana, Siddhi Sthana, Sharira Sthana. In this article we will discuss the fifth chapter of nidana