Fildena 100 is a medication that is used to treat erectile dysfunction in men. It is a phosphodiesterase (PDE5) inhibitor that improves blood flow to the penis by relaxing the muscles in the penile blood vessels. It is effective for most men with erectile dysfunction. It is also effective for men with pulmonary arterial hypertension, which is a condition where the blood pressure in the arteries increases higher than normal levels. Sildenafil Citrate Sildenafil citrate (Viagra) is used to treat erectile dysfunction. It works by relaxing muscles and increasing blood flow to the penis to help you have or maintain an erection. It's also used to treat pulmonary arterial hypertension (PAH), a condition in which the blood pressure in your lungs is too high. It's also used to treat an enlarged prostate. It's part of a class of drugs called phosphodiesterase type 5 inhibitors. Taking sildenafil with other medications can cause problems. Your doctor may need to change the dose of your other medications or monitor you carefully for side effects. People with certain medical conditions such as severe sleep apnea and kidney or liver problems may need to take this drug in a lower dosage. It also can raise your risk for low blood pressure and stomach bleeding or ulcers. A serious allergic reaction is rare. But get emergency medical attention if you have any of the following symptoms: rash, itching/swelling (especially of the face/tongue/throat), trouble breathing. Visit this website for more info: Fildena 150 mg | Fildena 120