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Filagra Double 200 mg Online(Sildenafil) promotes blood flow to the penis, assisting men in attaining and maintaining a firm erection. Sildenafil, in this medication, works by inhibiting the PDE-5 enzyme, which improves cyclic Guanosine Monophosphate (cGMP) levels. The improved levels of cGMP relax the muscles of the penile blood vessels, thereby boosting blood flow in this region and helping one gain an erection. However, it should always be kept in mind that Filagra works only when a person is sexually stimulated
