Again, based on the etiology ''udara roga'' is further segregated into ''nija'' (endogenous) and ''agantuja'' (exogenous) type. Among the different types of ''udara roga''; the types of ''udara'' caused due to erroneous food and habits and mediated through morbidity of ''dosha'' and ''dushya'' is considered as ''nija'' type of ''udara''. ''Plihodara'' (enlargement of the spleen) and ''jalodara'' (enlargement of abdomen due to collection of fluid) are segregated as ''nija udara'' in the list of ''dushya'' dominant ''udara''. All the four types of ''dosha'' dominant ''udara'' fall under the category of ''nija udara'' (distension of abdomen due to endogenous causes). Contrary to this the ''baddhodara'' (enlargement of abdomen due to gastrointestinal obstruction) and ''chidrodara'' (abdominal enlargement due to intestinal perforation) caused by injury of intestines due to external factors are regarded as ''agantu udara'' (distension of abdomen caused due to exogenous causes)[22].
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Again, based on the etiology ''udara roga'' is further segregated into ''nija'' (endogenous) and ''agantuja'' (exogenous) type. Among the different types of ''udara roga''; the types of ''udara'' caused due to erroneous food and habits and mediated through morbidity of ''dosha'' and ''dushya'' is considered as ''nija'' type of ''udara''. ''Plihodara'' (enlargement of the spleen) and ''jalodara'' (enlargement of abdomen due to collection of fluid) are segregated as ''nija udara'' in the list of ''dushya'' dominant ''udara''. All the four types of ''dosha'' dominant ''udara'' fall under the category of ''nija udara'' (distension of abdomen due to endogenous causes). Contrary to this the ''baddhodara'' (enlargement of abdomen due to gastrointestinal obstruction) and ''chidrodara'' (abdominal enlargement due to intestinal perforation) caused by injury of intestines due to external factors are regarded as ''agantu udara'' (distension of abdomen caused due to exogenous causes)<ref>Sushrut, Sushruta Samhita, with nibandha sangraha commentary of dhallahan & Nyayachandrika commentary of of gayadasa, yadavji trikamji , nirnaya sagar press, 1915, P713, Pgno 236</ref>[22].