You need to be sexually aroused for it to work. Tadalafil is not usually used to treat benign prostate enlargement because there is not enough evidence about how well it works. In pulmonary hypertension it works by relaxing blood vessels in the chest. If you do not meet the NHS criteria for tadalafil, you may get a private prescription from a doctor. Tadalafil may not be safe for people with certain medical conditions, including people who have had a stroke , have coronary heart disease or retinitis pigmentosa an eye disease.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 HEALTHFNDD, order by 8pm – online only. Helps you get and maintain an erection when you need it. Effective up to 36 hours. Cialis is a prescription-only medicine for men, aged 18 or over, experiencing symptoms of erectile dysfunction. It comes in the form of a tablet which is taken orally, and can allow you to achieve and maintain an erection hard enough for sexual activity. You’ll need to be sexually stimulated for it to work. AdBrowse new releases, best-sellers & recommendations from our readersPopular Links: OUTLET · Beauty · Grocery.