PCT No. PCT/FR98/00765 Sec. 371 Date Nov. 19, 1999 Sec. 102(e) Date Nov. 19, 1999 PCT Filed Apr. 16, 1998 PCT Pub. No. WO98/47511 PCT Pub. Date Oct. 29, 1998The invention concerns the use of mizolastine and the pharmaceutically acceptable salts thereof for making a medicine for treating inflammatory diseases or inflammatory constituents of some other diseases related to the 5-lipoxygenase route.