시알리스 - 개요
The most typical side effects of VIAGRA: headache; flushing; upset belly; abnormal eyesight, such as variations in colour eyesight (like aquiring a blue colour tinge) and blurred eyesight; stuffy or runny nose; back suffering; muscle agony; nausea; dizziness; rash.Summary Cialis and Viagra are the two supplements for treating erectile dysfunction.