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Revatio vs. Viagra: What Is the Difference?
However, Revatio is used for pulmonary arterial hypertension (PAH), whereas Viagra is used for erectile dysfunction (ED).
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Pfizer’s Revatio flunks paediatric hypertension study
Revatio (sildenafil citrate ... s product portfolio since Viagra was approved as the first oral therapy for ED in the late 1990s. It is also approved for the treatment of paediatric PAH ...