欣煒歌與金戈主要區別是，欣煒歌的主要成分是他達拉非，而金戈主要成分是枸櫞酸西地那非。

藥物成分有所不同，當然作用效果也就會有所區別了。";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;">";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">

欣煒歌，主要成分是他達拉非。所以藥物作用時間長，勃起持續時間也長，一般能夠維持36個小時。";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;">";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">

金戈主要成分是枸櫞酸西地那非，相對來說，作用時間短，勃起持續時間相對也短，一般只能維持4個小時。";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">

相關知識：";font-family:微軟雅黑;color:rgb(51,51,51);font-weight:bold;font-size:8.0000pt;mso-font-kerning:0.0000pt;">";font-family:微軟雅黑;color:rgb(51,51,51);font-weight:bold;font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;">";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">

欣煒歌服用時，不受飲食影響，即使進食高脂食物，比如肉類食物，飲酒等都不會影響藥物效果。";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;">";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">

金戈藥物，在服用時要注意空腹服用，而且服用藥物同時，需要控制飲食，不能進食高脂飲食，不能飲酒，特別是飲酒會嚴重降低藥物效果，影響治療。";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;">";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">

再有即使服用欣煒歌或者是金戈等藥物后，也要進行適當的性刺激，否則沒有效果。";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;">";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">

欣煒歌、金戈等藥物，都是針對男性病人服用的藥物，一般女性朋友，是不建議服用的。";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">

所以，女性朋友注意，不要服用這類藥物。";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">

常識：";font-family:微軟雅黑;color:rgb(51,51,51);font-weight:bold;font-size:8.0000pt;mso-font-kerning:0.0000pt;">";font-family:微軟雅黑;color:rgb(51,51,51);font-weight:bold;font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;">";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">

無論是什么原因，引起的勃起功能障礙，都建議病人，盡快到醫院就診，查找原因后再治療，避免自行用藥。";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">

否則可能會用藥不當，會更傷身體。";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;">";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">

";font-family:微軟雅黑;color:rgb(51,51,51);font-weight:bold;font-size:8.0000pt;mso-font-kerning:0.0000pt;">";font-family:微軟雅黑;color:rgb(51,51,51);font-weight:bold;font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">

由于性生活會嚴重影響夫妻感情，關系到家庭幸福，所以，一定要積極治療。";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;">";font-family:微軟雅黑;color:rgb(51,51,51);font-size:8.0000pt;mso-font-kerning:0.0000pt;background:rgb(255,255,255);mso-shading:rgb(255,255,255);">