If you have certain health conditions or are taking certain medications, your doctor may tell you to take tadalafil less often or may prescribe a lower dose to be taken once a day. Ask your doctor if you are not sure whether any of your medications contain nitrates. If you are taking tadalafil on a regular schedule, take it at around the same time every day. It may be taken with or without food. Also tell your doctor if you or any of your family members have or have ever had an eye disease such as retinitis pigmentosa an inherited eye condition that causes loss of vision or if you have ever had sudden severe vision loss, especially if you were told that the vision loss was caused by a blockage of blood flow to the nerves that help you see.Tadalafil is the generic version of Cialis and is typically lower in cost. Share on Pinterest. Daily tadalafil: and 5: starting from around $8: Cialis: , 5, 10, and Tadalafil – STADA T20 – 20 Milligramm. Tadalafil, sold under the brand name Cialis among others, is a medication used to treat erectile dysfunction, benign prostatic hyperplasia, and pulmonary arterial hypertension. [4] [5] [7] It is taken by mouth. [7] Onset is typically within half an hour and the duration is up to 36 hours. We offer Cialis 20mg / 10mg and other dosages. Lowest prices guaranteed for everyone. Rational nutrition of schoolchildren * which can not cover the daily need for macro-and micronutrients). For example, only % of children had enough protein in their diet (and protein is a building block for muscles, hormones, and immune cells).