The invention belongs to the field of traditional Chinese medicines, and particularly relates to a
traditional Chinese medicine composition for treating post-infection
irritable bowel syndrome as well as a preparation method and application thereof. The
traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 10 to 15 parts of rhizoma atractylodis macrocephalae, 10 to 20 parts of radix paeoniae alba, 3 to 7 parts of
pericarpium citri reticulatae, 5 to 15 parts of radix saposhnikoviae, 10 to 20 parts of folium microcotis, 10 to 20 parts of
plumeria rubra, 5 to 15 parts of kapok, 25 to 35 parts of rhizoma smilacis glabrae and 5 to 15 parts of
flos albiziae. Animal experiments show that the
traditional Chinese medicine composition can effectively improve
diarrhea phenotypes and
depressive symptoms of rats with PI-IBS liver depression and
spleen deficiency syndromes, relieve high sensitivity of viscera, recover a
tight junction structure and a
cell desmosome structure of colon, up-regulate
cell TJ
protein expression, recover Th1 / Th2 immune imbalance of blood, reduce the level of proinflammatory factors (TNF-alpha) in
colon tissue, and improve the
immunity of the rats. And the levels of LPS, DAO and D-LA in serum are up-regulated. Therefore, the traditional Chinese
medicine composition disclosed by the invention can be used for effectively treating the liver depression and
spleen deficiency syndrome of the
irritable bowel syndrome after infection.