The main strengths of our study are the number of DUs ... and the use of too low a dosage of sildenafil. Using sildenafil in pulmonary arterial hypertension, it is possible to increase the dose up to ...

Vardenafil typically starts working faster, around 15 to 30 minutes after ingestion, while sildenafil may take 30 to 60 ...

Several observations from preclinical and short-term clinical studies support a role for sildenafil in the treatment of heart failure patients. The following discussion briefly considers each of ...

Revatio and Viagra contain the same active ingredient called sildenafil. However ... including frequency of use, strengths, ...