Blend with no less than 8 ounces (240 mL) of h2o or other fluid and drink. If the mixture gets thick, increase additional liquid and stir. What do I do if I miss out on a dose?While some might have psyllium daily, Many others will require it for just a couple of days, Lefton states. If you need to do really need to consider it day-to-day, Spritzler