Uses
This medication is used to treat male sexual function problems (erection
problems).
Directions
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.
Side efects
Headache, flushing, stomach upset, nasal stuffiness, diarrhea and
dizziness might occur. If these effects persist or worsen, notify
your doctor promptly. Unlikely but report promptly: painful or other
urination problems, vision problems, skin rash. Very unlikely but
report promptly: chest pain, fainting, foot or ankle swelling. If
you experience a painful or prolonged erection (lasting longer than
4 hours), stop using this drug and seek immediate medical attention.
If you notice other effects not listed above, contact your doctor
or pharmacist.
Precautions
Before using this drug, tell your doctor your medical history, including:
allergies (especially drug allergies), penis conditions such as fibrosis/scarring
(e.g., Peyronie's disease), history of painful/prolonged erection
(priapism), sickle cell anemia, blood system cancers (such as leukemia
or myeloma), eye problems (retina diseases), kidney or liver disease,
bleeding disorders, active stomach ulcers, heart disease, stroke,
very high or low blood pressure. Limit alcohol intake, as it may aggravate
side effects of this drug. Since this drug may cause dizziness, caution
is advised when performing tasks requiring alertness (e.g., driving).
To avoid dizziness and lightheadedness when rising from a seated or
lying position, get up slowly. This drug is not to be used in women
or children. The elderly may be more sensitive to the side effects
of this drug, therefore caution is advised in this group.
Drug Interactions
Tell your doctor of all nonprescription and prescription medication
you may use, especially of: 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), high blood pressure medicines,
certain HIV protease inhibitors (such as saquinavir, ritonavir, amprenavir),
delavirdine. Do not start or stop any medicine without doctor or pharmacist
approval.
Overdose
If overdose is suspected, contact your local poison control center
or emergency room immediately. Symptoms of overdose may include severe
dizziness, fainting, or prolonged erection. NOTES: Do not share this
medication with others, since they may have a problem that is not
effectively treated by this drug. Use of this drug does not protect
against sexually transmitted diseases (e.g., HIV, Hepatitis B, gonorrhea,
syphilis)
Missed Dosage
Not applicable
Storage
Store at room temperature between 59 and 86 degrees F (15-30 degrees
C) away from light and moisture
Viagra
