· Adults 65 years of age and older—25 mg as a single dose no more than once a day, 1 hour before sexual intercourse. Alternatively, the medicine may be .Children 1 year of age and older weighing 20 kg or less—10 mg 3 times a day. How and when to take sildenafil It’s important to take sildenafil as advised by a doctor or pharmacist. Time it out While everyone will have slight differences due to their current conditions and metabolism, you can expect Viagra, or its generic form Sildenafil, to start working within minutes according to Pfizer. Sildenafil should not be used with any other medicine or device that causes erections. Your doctor may adjust your dose if needed.Sildenafil is used to treat men who have erectile dysfunction (also called sexual impotence). Sildenafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors. These medicines prevent an enzyme called phosphodiesterase type-5 from working too quickly. Generic Viagra (sildenafil) is available as a , , , and milligram (mg) pill and in liquid form. It’s meant to be taken as needed — about an hour before sex — but shouldn’t be. Sildenafil oral tablet is available as a brand-name drug and as a generic drug. Brand names: Viagra, Revatio. Sildenafil comes in three forms: an oral tablet, an oral suspension (liquid), and an.Leukemia blood related cancer or Multiple myeloma blood related cancer or Sickle-cell anemia blood disorder —Sildenafil should be used with caution in these patients as problems with prolonged erection of the penis may occur. There is a problem with information submitted for this request. Keep out of the reach of children. If you see air bubbles in the syringe, repeat the steps. Different brands may not work the same way. Age greater than 50 years or Coronary artery disease or Crowded disc or low cup to disc ratio in the eye an eye disorder or Diabetes or Hyperlipidemia high fats in the blood or Hypertension high blood pressure or Non-arteritic anterior ischemic optic neuropathy or NAION serious eye condition , history of or Smoking—May increase the chance for a serious side effect in the eye called NAION. Use only the brand of this medicine that your doctor prescribed.
How and when to take sildenafil – sildenafil use for