A method for preventing and/or treating fibrosis associated with a reproductive tract or digestive tract disease or disorder includes administering an effective amount of a multikinase inhibitor to an animal or human in need thereof. The multikinase inhibitor comprises axitinib, nintedanib, sunitinib, lenvatinib, regorafenib, ponatinib, pazopanib, riociguat, or a salt thereof. The reproductive tract or digestive tract disease or disorder comprises uterine fibroids or primary sclerosing cholangitis, including Intra uterine surgery, intra uterine synechiae, Asherman's syndrome, biliary duct fibrosis, biliary duct sclerosis, and primary biliary cirrhosis.