The discovery is cause for concern because , although tadalafil and sildenafil are approved for use , they can interact with nitrates found in some prescription drugs ( such as nitroglycerin ) and lower blood pressure to dangerous levels .
Treatment for men unable to have an erection took a great leap forward when the first oral erectile dysfunction ( ed ) medication , viagra ( sildenafil ) , was introduced in 1998 .
在1998年,第一种口服治疗勃起障碍的药万艾可上市后,标志着治疗男性勃起障碍有了一个飞跃。
Paces pulmonary arterial hypertension combination study of epoprostenol and sildenafil .
依前列醇和西地那非结合治疗肺动脉高压。
I have never heard of super p-force ( sildenafil and dapoxetine ) before , is it safe ?
我从来没有听说过超的p-部队(西地那非和达泊西汀)之前,它是安全的呢?
The blue diamond-shaped tablets ( which have the chemical name sildenafil ) became the fastest-selling drug in history and pfizer 's share price doubled .
这种钻石形状的蓝色小药丸(学名为西地那非)成为史上最畅销的药物,辉瑞制药的股价也翻了一番。
" For example , consideration of flexible dosing regimen of sildenafil to minimize the occurrence of adverse events may be an option , " they wrote .