- How it works
Viagra is a brand name for the medication sildenafil. Sildenafil hinders the activity of an enzyme known as cGMP-specific PDE-5 (phosphodiesterase type-5). This enzyme separates cGMP, a substance that actuates smooth muscles to relax. Blocking PDE-5 means increment levels of cGMP inside the smooth muscles, which promotes muscle relaxation and vasodilation (a widening of veins).
High levels of phosphodiesterase type-5 are found in the penis, retina, and lungs. PDE-5 additionally also found throughout the body inside the smooth muscle cells of veins and muscles. Viagra is affirmed to treat ED in men. Another brand of sildenafil (Revatio) affirmed to treat high blood pressure-related with pulmonary arterial hypertension (PAH).
Generic Viagra has a place with the class of meds known as PDE-5 inhibitors. The Cenforce or Vidalista is brand name of Cialis to treat ED in men.
- Upsides
Viagra is approved to treat ED in men. It expands blood stream to the penis following sexual incitement and enables men to keep an erection hard enough for sex.
Viagra works following incitement stimulation. It works within 30 to an hour, but might be taken up to four hours before sexual performance.
- Downsides
If you are between the ages of 20 and 60, take no other medicine or have no other medical conditions, side effects you are more likely to experience include:
Headache, flushing, Dyspepsia, indigestion, visual disturbances, and muscle or back pain.
Other side effects incorporate a drop in blood pressure, a sleeping disorder, nasal clog or a runny nose, sudden hearing loss. A few people taking Viagra have had bleeding events; in any case, it has not been established if this is identified to Viagra use.
May not be appropriate for specific individuals incorporating those with angina, chest pain, or other heart conditions, kidney or liver problems, blood or bleeding issues, specific eye problems, stomach ulcers, or deformation of the penis.
Viagra offers no assurance against sexually transmitted problems.
Viagra is accessible as a generic under the name sildenafil.
- Main concern
Viagra is utilized to treat ED, but will not have any impact without sexual incitement. Stomach upsets, headache, and flushing are the main side effects.
- Response and Effectiveness
Peak plasma concentrations of Viagra are come to inside 30 to 120 minutes of a single dose. The beginning of impact takes about half to one hour alongside sexual incitement.