purple pill viagra - The Best Option for Treating ED

Sildenafil citrate is the active ingredient in purple pill viagra, a selective inhibitor of the cGMP-phosphodiesterase type 5 (PDE5) enzyme. The selective shyness of this enzyme causes the smooth muscles of the corpus cavernosum, a soft part of the penis, to relax.

Utilize these pills as directed by your physician. Never take more or less of this tablet than is recommended. Make sure you take this drug exactly as prescribed if you are using it to treat pulmonary hypertension. If you are using sildenafil to treat an erection problem, take it at least 30 to 60 minutes before having sex.