My doctor: WHAT PRECAUTIONS DO I NEED TO BE AWARE OF BEFORE USING VIAGRA?

WHAT PRECAUTIONS DO I NEED TO BE AWARE OF BEFORE USING VIAGRA?

Before taking sildenafil, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: penis conditions (e.g.,
angulation, fibrosis/scarring, Peyronie's disease), history of painful/prolonged erection (priapism), sickle cell anemia,
blood system cancers (e.g., leukemia or myeloma), eye problems (e.g., retina diseases like retinitis pigmentosa),
kidney disease, liver disease, bleeding disorders, active stomach ulcers, heart problems (e.g., recent heart attack or
serious arrhythmia within past 6 months, heart failure, coronary artery disease with unstable angina, aortic stenosis,
idiopathic hypertrophic subaortic stenosis), recent stroke within past 6 months, very high or low blood pressure.
This drug may make you dizzy or cause vision changes; use caution engaging in activities requiring alertness such as
driving or using machinery. Limit alcoholic beverages.
To minimize dizziness and lightheadedness, get up slowly when rising from a seated or lying position.
Do not take this medication with any other product that contains sildenafil or other similar medications for erection
problems (e.g., tadalafil, vardenafil).
Caution is advised when using this drug in the elderly because they may be more sensitive to the side effects of the
drug.
This drug is not indicated for use in women or children.

WHAT ARE POSSIBLE INTERACTIONS WITH THE USE OF VIAGRA?

See also How To Use section for drug-food interactions.
This drug should not be used with the following medications because very serious (possibly fatal) interactions may
occur: nitrates (e.g., nitroglycerin, isosorbide), nitroprusside (or any "nitric oxide donor" drugs), recreational drugs
called "poppers" containing amyl or butyl nitrite.
If you are currently using any of these medications, tell your doctor or pharmacist before starting sildenafil.
Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription products you may
use, especially of: alpha-blocker medication (e.g., doxazosin, prazosin, terazosin), other medications for impotence,
azole antifungals (e.g., itraconazole, ketoconazole), bosentan, cimetidine, erythromycin, rifamycins (e.g., rifampin),
high blood pressure medicines, delavirdine.
If you are taking an HIV protease inhibitor (e.g., ritonavir, saquinavir), do not take more than a 25mg dose of sildenafil
in a 48 hour period.
If you are taking more than a 25mg dose of sildenafil and are also taking an alpha-blocker medication (e.g.,
doxazosin, prazosin, terazosin) for various conditions (e.g., enlarged prostate), separate the time between taking
these medications by more than 4 hours.
This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or
pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor
and pharmacist.

My doctor

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Friday, October 10, 2008

WHAT PRECAUTIONS DO I NEED TO BE AWARE OF BEFORE USING VIAGRA?

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