
An improved antiinflammatory composition and method of treating inflammation which employs a combination of an antiinflammatory agent (e.g. indomethacin or an oxicam) with a histamine-H.sub.2 antagonist selected from the group consisting of 2-guanidino-4-(4-imidazolyl)thiazole, 2-guanidino-4-(2-methyl-4-imidazolyl )thiazole, 2-(N-benzyl-N'-guanidino)-4-(2-methyl-4-imidazolyl)thiazole, 2-(N-pentyl-N'-guanidino)-4-(2-methyl-4-imidazolyl)thiazole and 2-guanidino-4-[2-(hexylamino)-4-imidazolyl]thiaz...











