비아그라에 대해 알려지지 않은 사실
Interaction described. Viagra belongs into a drug class known as PDE5 inhibitors. Viagra and other PDE5 inhibitors can lessen hypertension when taken by themselves. For that reason, getting Viagra with other medications from this same drug course can raise the threat of reduced hypertension more.In case you are having sildenafil for erectile dysfun