If you are compelling sildenafil to treat PAH, follow your doctor's directions and the guidelines in this paragraph. You will in all probability take sildenafil three times a day with or without food. Decide sildenafil at here the same times every epoch, and space your doses on touching 4 to 6 hours apart.
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a somatic deformity of the penis (such as Peyronie's illness); or
*


Erections that form fit more than four hours may occur. Call a doctor freedom away if this happens.
What should I for certain my doctor once starting REVATIO?


Also discern your doctor if you are gravid, could be enceinte, or are breast-feeding. The effects of REVATIO in these patients are not known.
REVATIO and other medicines

* Decreased persuasion in the pulmonary artery