Chapter 6.18: Cough Treatment (Kasa Chikitsa / कासचिकित्सा)

Pranavaha srotas is a vital system of the body and although this srotas is more susceptible to abuse from little amount of smoke, allergens, adulterants, petrochemicals and many pollutants in atmosphere, there are a variety of disorders and diseases that are temporary and harmless, while others can be life threatening. In literature, pranavaha srotas disorders are elaborated under the heading of shwasa, kasa, hikka, rajayakshma and urakshata (kshata-kshina). Cough, expectoration, breathlessness

Source: Astanga Hridaya Sutrasthan by Vagbhata