Sildenafil oral tablet is used to treat erectile dysfunction (ED). It’s also used to treat pulmonary arterial hypertension (PAH). What is sildenafil? Sildenafil is a .It is thought that this reduced sales over the Internet and was safer as males could be referred for medical advice if appropriate. Tell your doctor if any of these symptoms are severe or do not go away: headache. Ask your pharmacist for a list of the ingredients. How should this medicine be used? Make sure you have discussed any other medications you are currently taking or plan to take before starting sildenafil with your doctor and pharmacist. Adverse Effects Warnings and Precautions Sildenafil has systemic vasodilatory effects and, as such, should be prescribed with caution to patients who may be sensitive to such blood pressure changes, such as patients with left ventricular outflow obstruction and impaired autonomic control of blood pressure. Pfizer Canada Inc.SILDENAFIL (sil DEN a fil) treats erectile dysfunction (ED). It works by increasing blood flow to the penis, which helps to maintain an erection. This medicine may be used for . 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 . Sildenafil oral tablet is used to treat erectile dysfunction (ED). It’s also used to treat pulmonary arterial hypertension (PAH). What is sildenafil? Sildenafil is a .Epistaxis was not observed in patients with idiopathic PAH. It is in the phosphodiesterase-5 inhibitor PDE5-I class of medications. Contraindications Nitrates increase cGMP formation, while sildenafil inhibits cGMP degradation causing the combination to produce severe life-threatening hypotension synergistically; coadministration of sildenafil with nitrates is contraindicated. Outline appropriate monitoring of sildenafil therapy in erectile dysfunction and pulmonary arterial hypertension. This can happen if you are sick with fever, diarrhea, or vomiting; sweat a lot; or do not drink enough liquids. This is a type of high blood pressure that occurs between the heart and the lungs. This medicine is available only with your doctor’s prescription.