sildenafil buy uk

Sildenafil is a popular erectile dysfunction (ED) medication. It's also available as a generic drug. Generic drugs usually cost less. In some cases, they may not be available in every strength or form as the brand-name version. Sildenafil (Viagra) is used to treat erectile dysfunction (impotence). Sildenafil (Revatio) is used to improve the ability to exercise in adults with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the lungs, causing shortness of breath, dizziness, and tiredness). Children should not take sildenafil. Sildenafil is in a class of medications called phosphodiesterase (PDE) inhibitors. Sildenafil treats erectile dysfunction by increasing blood flow to the penis during sexual sildenafil buy uk This increased blood flow can cause an erection. Sildenafil does not cure erectile dysfunction or increase sexual desire. Sildenafil does not prevent pregnancy or the spread of sexually transmitted diseases such as human immunodeficiency virus (HIV).

Some people with PAH who take sildenafil may experience headaches, nosebleeds, and dizziness. Sildenafil should not be taken with nitrates. Nitrates are usually taken for chest pain. Taking sildenafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure.

Sildenafil is available in three strengths: 25 mg, 50 mg, and 100 mg. For most men, the recommended starting dose is 50 mg. If you have certain medical conditions or are taking certain medications, your doctor may tell you to take sildenafil 25 mg or 100 mg. Sildenafil can be taken with or without food.

If you take sildenafil for PAH, you should know that sildenafil controls PAH but does not cure it. Continue to take sildenafil even if you feel well. Do not stop taking sildenafil without talking to your doctor.