비아그라에 대한 주요 지침

The next nonprescription or herbal items might interact with sildenafil: cimetidine (Tagamet HB), St. John's wort. Be sure to Permit your medical professional and pharmacist know you are taking these prescription drugs before you start having sildenafil.an erection that won't disappear (priapism). In case you have an erection that lasts a lot more