Most of the time, your healthcare provider will prescribe sildenafil at a starting dose of 50 mg for use as needed. You can ...

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A 20 mg dose may come in handy here ... A 2017 systematic review and meta-analysis compared sildenafil (the generic of Viagra ...

Eighty-four patients entered the study and were randomised to receive either sildenafil 20 mg three times a day (N=42 ... Using sildenafil in pulmonary arterial hypertension, it is possible to ...

Setting Four pulmonary hypertension centres in China. Patients 84 Eisenmenger syndrome functional class II–IV patients. Interventions Oral sildenafil 20 mg orally three times a day. Outcome measures 6 ...