What is Viagra (sildenafil) ?
Viagra (sildenafil) relaxes muscles
found in the walls of blood vessels and increases blood flow to particular
areas of the body.
Viagra is used to treat erectile
dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which
is used to treat pulmonary arterial hypertension and improve exercise capacity
in men and women.
Usage:
Viagra is a prescription medicine used in the
treatment of erectile dysfunction and impotence in men. It works by increasing
blood flow to the penis in order to help a man get and sustain an erection when
he is sexually aroused or stimulated.
Viagra
side effects
·
heart attack symptoms--chest pain or pressure, pain spreading to your jaw or
shoulder, nausea, sweating;
·
vision changes or sudden vision loss; or
·
erection is painful or lasts longer than 4 hours (prolonged erection can damage
the penis).
·
ringing in your ears, or sudden hearing loss;
·
irregular heartbeat;
·
swelling in your hands, ankles, or feet;
·
shortness of breath;
·
seizure (convulsions); or
·
a light-headed feeling, like you might pass out.
Common Viagra side effects may
include:
·
flushing (warmth, redness, or tingly feeling);
·
headache, dizziness;
·
abnormal vision (blurred vision, changes in color vision)
·
stuffy nose;
·
muscle pain, back pain; or
·
upset stomach.
Molecular Weight:
474.58 g/mol
Molecular structure:
