Sildenafil Side Effects: Common Effects & Warning Signs

Sildenafil Side Effects: Common Effects & Warning Signs

Sildenafil side effects can include headache, flushing, indigestion, nasal symptoms, and visual changes. Most side effects are not emergencies, but sudden vision or hearing loss, severe dizziness, chest symptoms, or an erection lasting longer than four hours need...
How Long Does Sildenafil Last?

How Long Does Sildenafil Last?

How long does sildenafil last? Sildenafil has a terminal half-life of about four hours in prescribing information, but that does not mean a continuous erection for four hours. Sildenafil supports erectile response only with sexual stimulation, and the useful window...
How Long Does Sildenafil Take to Work?

How Long Does Sildenafil Take to Work?

How long does sildenafil take to work depends on the individual, food intake, dose, and other health factors. U.S. prescribing information allows sildenafil for erectile dysfunction to be taken about 30 minutes to 4 hours before sexual activity. A high-fat meal can...
How Does Sildenafil Work for Erectile Dysfunction?

How Does Sildenafil Work for Erectile Dysfunction?

How sildenafil works: Sildenafil is a PDE5 inhibitor used for erectile dysfunction. Sildenafil helps preserve cyclic GMP signaling in penile tissue, allowing blood vessels to relax more effectively during sexual stimulation. Sildenafil supports the natural erectile...