What is viagra

Viagra is a prescription medicine used to cure erectile dysfunction (ED) and pulmonary arterial hypertension.

It is sold under brand name “VIAGRA” with the active ingredient of Sildenafil citrate.

Sildenafil belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors.

Its working mechanism is simple. it increases blood flow to your penis and relaxes the muscles of the vein.

which helps you to keep an erection. But this drug works only if you’re sexually excited.

Viagra mostly comes in tablet form that can be taken by mouth. It should be taken 30 min to 4 hours earlier. It is available in three strengths: 25mg, 50mg, and 100mg.

It is not a permanent solution of ED. but with the help of Viagra you can maintain an erection. It is approved for ED in males ages 18 years and older.

Most people use sildenafil citrate for long lasting sex. But it can be harmful. Hence it is not advisable to take this drug without a prescription.

Viagra does not protect from any sexually transmited diseases(such as HIV, hepatitis B, syphilis). Try always to practice ‘safe sex’ after taking this drugs.