We can also prescribe the non-branded versions of these: Sildenafil brand name Viagra , Tadalafil brand name Cialis and Vardenafil brand name Levitra. If it occurs, seek medical advice straight away to prevent permanent damage. Do all the following apply to you? Yes Note: men who are overweight have more problems with erections. No All men with erectile dysfunction should tell their GPs, particularly if symptoms have started recently or rapidly.Viagra® 8 tablets: from £ Viagra® 12 tablets: from £ Viagra® 16 tablets: from £ Viagra® 28 tablets: from £ Viagra® 40 tablets: from £ Viagra® 56 tablets: from £ Viagra Connect® 2 tablets: £ Viagra Connect® 4 tablets: £ Viagra Connect® 8 tablets: £ Viagra Connect® Viagra. Lasts up to hrs. Effective for % of men. Works in 1h. One-time or subscription. From £ From £/tablet. About Viagra. Sildenafil. Effective for % of men. Works in 1hr and lasts hrs. Works in the same way as Viagra. One-time or subscription. From £ From £/tablet. About Sildenafil. Tadalafil. As you can see from the table above, the cheapest generic Viagra mg tablets are £ here at UK Meds (for a package of 64). Compare this with Pfizer brand Viagra for £ The Viagra UK price for generic vs brand has a significant difference. If money is of no object and you prefer the brand recognition, the blue Viagra tablets UK.