Follow your doctor’s orders or the directions on the label. For erectile dysfunction, it’s best to take sildenafil on an empty stomach. Children 1 year of age and older weighing 20 to 45 kg—20 mg 3 times a day. Other contraindications include hypersensitivity to any component of the formulation, pulmonary veno-occlusion, left ventricular outflow obstruction, PAH associated with sickle cell anemia, and multiple system atrophy. If you will be taking this medicine for pulmonary arterial hypertension, your doctor will want to check your progress at regular visits.Sildenafil tablets for pulmonary hypertension come in 10mg and 20mg strengths. The usual adult dose is 20mg taken 3 times a day. Doses for children can range from 10mg to 20mg taken 3 times a day, depending on their weight. Do not take it more than 3 times a day. Sildenafil is used to treat high blood pressure in the lungs (pulmonary hypertension). Learn more about Revatio.1 This is a generic drug. Even if this drug is covered by Medicare or . · Maximum dose: 20 mg orally three times a day. Injection: Initial dose: or 10 mg IV bolus three times a day. Comments: No greater efficacy was achieved with oral doses higher than the maximum recommended dose. A 10 mg injection dose is predicted to provide pharmacological effect equivalent to the 20 mg oral dose.
