Kasa is one of the most common diseases affecting the pranavaha srotas. If not treated, it may lead to dreadful diseases like Shwasa and Kshaya. According to the Acharyas, kasa is of 5 types, Kaphaja kasa being one among them. Kasa (cough) is the disease or symptom of respiratory tract occurring due to obstruction of Vata Dosha and its reverse movement and also a symptom of many other diseases. Kaphaja Kasa is dominated by Vata and Kapha and its nidana, samprapti, lakshanas, upadravas, and chikitsa are explainedin the classicS

The lakshanas of kaphaja kasa are similar to Allergic bronchitis or Chronic bronchitis & it has become more prevalent these days because of cigarette smoking. environmental pollution, occupational hazrds. In kaphaja kasa lakshanas are bahula, madhura, snigdha, swetha, nishtiva, ghana kapha, aruchi, gaurava, shirashoola, swarabheda, peenasa, kantha kandu, utklesha etc. Early intervention is necessary in case of kasa as it is a potential nidanarthkara vyadhi (disease itself become causative factor for other disease) to produce kshaya i.e depletion of bodily tissues/ dhatus. According to Ayurveda Chikitsa Siddhant, the prime treatment for Kaphaja Kasa is Nidana Parivarjana and the formulations which are Vata-kapha hara, Vatanulomana Agnideepana, Aama pachana and Srotoshodhaka. Keeping these points in mind an attempt is made to achieve these goals through Ayurvedic medicine. Pippalyadi churna is taken for the clinical study by considering the qualities of ingredients and cost effectiveness.