Sildenafil is an oral therapy for erectile dysfunction and other such men’s sexual problems. The medicine works effectively as it makes muscles of the male organ relaxed and there shall be no any problem in blood circulation. Scientifically, it inhibits an enzyme known as cGMP-specific phosphodiesterase type 5, which further delays degradation of cGMP.
Dosage: Sildenafil Citrate 25mg a tablet and the dosage is one tablet a day. It should not be taken before a 24-hour period. Experts indicate that sildenafil 100mg tablet should be taken half an hour to one hour prior to having sexual intercourse.
However, you should mind the adverse effects it can bring. Headache, nasal congestion, photophobia, and dyspepsia, etc. Some serious side effects should not be ignored at all, and you must seek professional medical help urgently. These side effects include sudden hearing loss; blur vision, less of sensation, uneasiness, etc.