A tablet containing (1) 5-hydroxy-1H-imidazol-4-carboxamide or a salt thereof, or a hydrate thereof, and (2) silicon dioxide.Un comprimido que contiene (1) 5-hidroxi-1H-imidazol-4-carboxamida o una sal de la misma, o un hidrato de la misma, y (2) dioxido de silicio.