ED又称阳痿,目前在全球发病率非常高,尤其在40～70岁的男性中发病率高达52%。目前零售药店中治疗ED的药物(PDE5抑制剂)主要有希爱力(他达拉非)和万艾可(西地那非)。其中希爱力是国际唯一认可的长效的PDE5抑制剂,作用时间长达36小时,而且疗效不受高脂食物和适度酒精影响。 ED, also known as impotence, is currently at a very high global incidence, with a particularly high prevalence of 52% in men 40 to 70 years of age. At present, the drugs for the treatment of ED in retail pharmacies (PDE5 inhibitors) are mainly Cialis (Tadalafil) and Viagra (Sildenafil). Among them, Cialis is the only recognized long-acting PDE5 inhibitor which lasts up to 36 hours and is not affected by high-fat foods and moderate alcohol.