BRAND NAMES
ERECTILE DYSFUNCTION AGENTS
SILDENAFIL-
Revatio,
Viagra
BASIC VIAGRA INFO
Habit forming? No
Prescription needed? Yes
Available as generic? No
Drug class: Impotence therapy
VIAGRA MEDICAL USES
Treats male sexual function (erection) problems.
- The brand name Revatio is for treatment of pulmonary arterial hypertension (a rare fatal lung disorder).
MEDICAL DOSAGE & VIAGRA USAGE
How to take VIAGRA:
- Tablet: Swallow with water. If you can't swallow Viagra whole, crumble tablet and take with liquid or food.
When to take VIAGRA:
-
Take Viagra about an hour before sexual activity (or as directed).
- Use only once daily.
If you forget a VIAGRA dose:
-
Does not apply.
What VIAGRA does:
- Increases blood flow to the penis that may help men develop and sustain an erection. Sexual stimulation is still needed for Viagra to be effective.
- In pulmonary arterial hypertension, Viagra works by dilating (widening) blood vessels, thereby lowering blood pressure in the lungs.
Time lapse before VIAGRA works:
- Sildenafil, 30-60 minutes, lasts up to 4 hours.
- Vardenafil, 25-30 minutes, lasts up to 4-5 hours.
- Tadalafil, 16-60 minutes, lasts up to 36 hours.
Don't take VIAGRA with:
-
Any other medicine or any dietary supplement without consulting your doctor or pharmacist.
 VIAGRA
OVERDOSE |
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 SYMPTOMS:
Unknown.
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 VIAGRA SIDE EFFECTS
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Life-threatening:
Fatalities have been reported when used with nitrate medications.
Common VIAGRA Side Effects:
Headache, flushing, stomach upset, stuffy or runny nose, back pain, muscle aches.
Infrequent VIAGRA Side Effects:
Urination problems, blurred vision, changes in color perception, light sensitivity, skin rash, dizziness, prolonged erection (lasting more than 4 hours). Diarrhea, stuffy nose.
Rare VIAGRA Side Effects:
Chest pain, fainting,
foot or ankle swelling,
allergic reaction,
(shortness of
breath, skin rash,
hives, itching, face
swelling).
Unexpected
symptoms occur
while having sexual
intercourse.
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 | PRECAUTIONS
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Don't take VIAGRA If:
-
You are allergic to sildenafil, vardenafil, or tadalafil.
Before you start VIAGRA, consult your doctor If:
- You have any other medical problem.
- You have or have had heart, blood pressure or blood cell problems or have had a stroke.
- You have stomach ulcer.
- You have vision problems.
- You have retinitis pigmentosa.
- You have a deformed shape of the penis or have had an erection last more than 4 hours.
- You use drugs like amyl nitrate or butyl nitrate recreationally.
- You have liver or kidney disease.
Over age 60:
-
No problems expected unless person has an increased sensitivity to medications.
Pregnancy:
-
Not indicated for use in females.
Breast-feeding:
-
Not indicated for use in females.
Infants & children:
-
Safety and effectiveness of Viagra use in children not
established.
- Viagra is NOT recommended or indicated.
Prolonged VIAGRA use:
-
Talk to your doctor about the need for follow-up medical examinations or laboratory studies to determine Viagra effectiveness.
Skin & sunlight:
-
No problems expected.
Driving, piloting or hazardous work:
- No problems expected.
Discontinuing:
-
No problems expected.
Others:
- Advise any doctor or dentist whom you consult that you take Viagra
- Do not increase Viagra dosage without doctor's approval.
- Consult doctor if there are any significant changes in your vision.
- A small number of men taking one or more of these drugs have developed NAION (non-arteritic ischemic optic neuropathy) a loss of vision that is frequently irreversible. Ask your doctor about your risks.
- Do not combine the drug with any other impotence therapy unless approved by your doctor.
- These drugs do not protect against sexually transmitted diseases.
- There are many causes of impotence. Your doctor should perform a complete exam before prescribing this medication.
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