EN
Ornidazole (Tiberal La Roche) was used in 50 persons infected with Giardia intestinalis in the dosis of 500 mg twice a day during 5 days. Examinations were performated after 7-10 days, having been repeated one month and 3 months later. A positive results were achieved after one month in 46 cases (92%) and after 3 months in 45 cases (90%). Tiberal is thought to be effective drug in the treatment of Giardiosis, causing no side effect apart from headache and nausea occurring sporadically.