Alprostadil comes as: an injection directly into your penis a small pellet placed inside your urethra the tube that carries pee from your bladder to the tip of your penis If you cannot get erections because of a hormonal problem, your doctor may refer you to an endocrinologist a doctor who specialises in the treatment of hormonal problems. Your doctor may increase or decrease your dose, depending on how well it works and how often you take it. Men who suffer from erectile dysfunction will be able to obtain this treatment safely and conveniently from their local pharmacy without a prescription, which not only gives them greater control over their choices but increases awareness of erectile dysfunction. Are there other treatments that can help erections? The strength and dosage instructions can vary. Women can use tadalafil for pulmonary hypertension. Pharmacists, who are trained healthcare professionals, will have access to training materials and a checklist that will enable them to advise men on whether these tablets are appropriate and safe for them to use and give the information they need, so they can make informed choices.About tadalafil Who can and cannot take it How and when to take it Side effects Pregnancy, breastfeeding and fertility Taking it with other medicines and herbal supplements Page . Tadalafil can help to relax the blood vessels in the penis, resulting in increased blood flow and allowing for a man to get an erection. It works in a similar way . Cialis (branded Tadalafil) Cialis is a reliable, branded ED treatment that lasts up to 36hrs. Can be taken with food. Works in 30mins, lasts up to 36hrs. Works for 80% of men. .