Viagra
This
medication is used to treat male sexual function problems (erection
problems).

This
drug is taken by mouth as needed between four hours and one-half hour
before sexual activity (about one hour before is most effective). Take
only as directed, usually once daily as needed. Sildenafil works along
with sexual stimulation to help achieve an erection.
Headache, flushing,
stomach upset, nasal stuffiness, diarrhea and dizziness might occur.
If these effects persist or worsen, notify your doctor promptly.
Before using this drug, tell your doctor your medical history, including
any allergies (especially drug allergies), any penis conditions such
as fibrosis/scarring, history of painful/prolonged erection (priapism),
sickle cell anemia, blood system cancers (such as leukemia or myeloma),
or Peyronie's disease, eye problems (retina diseases). kidney or liver
disease, bleeding disorders or active stomach ulcers, heart diseases,
stroke or severe high or low blood pressure. Limit alcohol intake, as
it may aggravate side effects of this drug. To avoid dizziness and lightheadedness
when rising from a seated or lying position, get up slowly. The elderly
may be more sensitive to the side effects of this drug, therefore caution
is advised in this group.
Tell your doctor
of all nonprescription and prescription medication you may use, especially
any nitrate medications (e.g., nitroglycerin, isosorbide dinitrate),
nitroprusside (any "nitric oxide donor" medicines), cimetidine,
erythromycin, azole antifungals (e.g., itraconazole, ketoconazole),
mibefradil, rifamycins (e.g., rifampin) or high blood pressure medicines.

http://www.macaenhancer.com