Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes .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. Seven of these companies are based in India. If you are taking sildenafil to treat PAH, you will probably take sildenafil three times a day with or without food. Generic versions of this low-dose form of sildenafil have been available in the U. When choosing one, tell your doctor or other health care professional what your preferences are, such as cost, ease of use, how long the drug’s effects last and side effects.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. Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Liqrev, Revatio) is used to improve the ability to exercise in adults (Liqrev, Revatio) and children 1 year of age and older (Revatio) with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the . 1. Avoid taking Viagra with a large meal or high-fat meal. Viagra blood levels peak an hour after you swallow the tablet on an empty stomach. According to Ramin, if you eat a large or high-fat.This medicine can cause serious side effects in patients with heart problems. Do not use this medicine if you are also using a nitrate medicine, often used to treat angina or high blood pressure. If you are taking sildenafil to treat PAH, you will probably take sildenafil three times a day with or without food. Do not press on the plunger of the syringe. Sildenafil is in a class of medications called phosphodiesterase PDE inhibitors. The decision, Teva Canada Ltd. Children—Use is not recommended.

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