Boots Pharmacist Vuyani Chinyowa encourages people experiencing erectile dysfunction ED to visit their local pharmacy for advice and support. Cialis Together contains 10mg of the active ingredient tadalafil, which temporarily increases blood flow to the penis to help men get or keep an erection when they are sexually aroused. As a pharmacy medicine, patients need to have a consultation with a pharmacist in person when buying in store. Access to prescription-only treatments is also available through the Boots Online Doctor Erectile Dysfunction Service. It continues to be available to patients on the NHS who obtain a prescription from their prescriber.Can I buy Tadalafil over the counter? No, you cannot currently buy Tadalafil over the counter. You can get Viagra Connect, another popular ED medication over the counter. We can prescribe all the main brands of medicine for Erectile Dysfunction: Viagra, Cialis, Levitra, Spedra and Vitaros. We can also prescribe the non-branded versions of these: Sildenafil (brand name Viagra), Tadalafil (brand name .  · Cialis Together is an over the counter medication used to treat erectile dysfunction (ED). This means it is available without a prescription from a doctor and can be bought from a pharmacy. Unlike regular Cialis, it is only available in 1 dose and contains 10mg of the active ingredient tadalafil.