See Beware club drugs and Viagra. Cialis prevents PDE5 from operating in its normal function, thus extending the time an erection can be maintained. Some specialist pharmacists can also prescribe or supply it using a ‘patient group direction’. Is Cialis suitable for all men? The tablets can be taken with or without food as it has no effect on the activity of the drug. Is there a lower cost generic version of Cialis?16 tablets. £ Erectile dysfunction is when a man is unable to gain or maintain an erection. Find treatments & advice through our safe & discreet online clinic. Cialis Together 10mg Tablets – Tadalafil – 4 Tablets. Write a review. £ 4 UNI | £ per 1UNI. Free next day delivery on selected medicines when you use code .