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=== Abstract ===

=== Abstract ===

Trishna and pipasa are two commonly used words denoting desire for water, the difference between the two is, trishna is pathological and pipasa is physiological. Generally, desire for water is physiological process to maintain fluid balance but if dosha are vitiated then they can lead to excessive thirst and can produce trishna, a disease in which person constantly craves for the water. Beside independent disease, trishna or thirst is also seen as prodromal symptom, clinical feature, complication, poor prognostic sign etc. in various clinical conditions. In this chapter, etiological factors, premonitory symptoms, pathogenesis, clinical features and complications of trishna as a disease are discussed.

''Trishna'' and ''pipasa'' are two commonly used words denoting desire for water, the difference between the two is, ''trishna'' is pathological and ''pipasa'' is physiological. Generally, desire for water is physiological process to maintain fluid balance but if ''dosha'' are vitiated then they can lead to excessive thirst and can produce ''trishna'', a disease in which person constantly craves for the water. Beside independent disease, ''trishna'' or thirst is also seen as prodromal symptom, clinical feature, complication, poor prognostic sign etc. in various clinical conditions. In this chapter, etiological factors, premonitory symptoms, pathogenesis, clinical features and complications of trishna as a disease are discussed.

 

'''Keywords''': ''trishna, vata, pitta, mukha shosha, jala,'' thirst, polydipsia, water and fluid balance, osmosis, ion balance.

=== Introduction ===

=== Introduction ===