Sildenafil works by relaxing the blood vessels, which allows for increased blood discharge and a firmer, longer. It is important to note that this medication does not work unless the man is sexually aroused. The lozenges are taken orally, typically 30 minutes to 1 hour before sexual activity, with or without food. The effects of the medication can last up to 4 hours.
It is important to consult with a doctor before taking sildenafil citrate tablets, as they may interact with other medications or medical conditions. Additionally, this medication should not be taken by women or children.