Viagra was originally developed to treat which of the following conditions?

What condition was Viagra originally developed for?

Viagra (sildenafil) was originally developed to treat angina (chest pain due to heart disease). [1]

How did it end up for erectile dysfunction instead?

During clinical development for angina, researchers observed that sildenafil could help men achieve erections, leading to its later approval and use for erectile dysfunction. [1]

Was Viagra always meant for erectile dysfunction?

No. Sildenafil’s earliest intended use was cardiac—specifically angina—before its effects on erectile function were identified in development. [1]

Source

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