Sildenafil citrate is a medication primarily used to treat erectile dysfunction (ED) in men. It is also used to treat high blood pressure in the lungs by relaxing and widening blood vessels in the lungs, which allows blood to flow more easily.
The typical starting dose is 50 milligrams (mg) taken approximately 1 hour before physical activity. The dose may be adjusted based on effectiveness and tolerance, ranging from 25 mg to 100 mg.
Common side effects encompass headaches, flushing, upset stomach, vision changes, nasal congestion, and muscle or back pain.