Sildenafil (Viagra)

Sildenafil (Viagra) is a medicine used to treat erectile dysfunction by improving blood flow to the penis during sexual stimulation. It helps achieve and maintain an erection but does not directly increase sexual desire.

Sildenafil typically starts working within 30–60 minutes, with effects lasting approximately 4–6 hours. It belongs to the same group of medicines (PDE5 inhibitors) as Tadalafil (Cialis) and Vardenafil (Levitra), although their onset and duration of action differ. Available products can be explored within this category.