Sildenafil is the active ingredient in Viagra.
Viagra is a brand lisinopril 3973 name for a medication that contains sildenafil. So, the main difference is that sildenafil is the generic name for the drug, while Viagra is a specific brand of the drug.
What is the difference between sildenafil and Viagra?
by Fay Rymer (2026-05-08)
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Sildenafil is the active ingredient in Viagra.
Viagra is a brand lisinopril 3973 name for a medication that contains sildenafil. So, the main difference is that sildenafil is the generic name for the drug, while Viagra is a specific brand of the drug.
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