Abstract: A dispenser for medical preparations in tablet form. The dispenser has a body for housing an insert having compartments arranged in rows, one row for each day of the week and four compartments in each row, one compartment for a specific time of the day and housing one intake of tablets. Over each row is a recess and in each recess is arranged a slidable cover for covering and uncovering the compartments. The dispenser comprises a novel removable cap of elastic material that snaps in an opening formed in a transverse side of the body. When the cap is removed the insert can be extracted and refilled with new tablets.