men health issues

Levitra is a phosphodiesterase inhibitor. It works by helping to increase blood flow into the penis during sexual stimulation. This helps you to achieve and maintain an erection.

Do NOT use Levitra if:

* you are allergic to any ingredient in Levitra
* you have been advised by your doctor to avoid sexual activity because of heart problems
* you have certain heart problems (eg
unstable angina
severe heart failure)
low blood pressure
or uncontrolled high blood pressure
* you have certain hereditary degenerative eye problems (eg
retinitis pigmentosa)
* you have severe liver problems or severe kidney problems that require dialysis
* you have had a heart attack
stroke
or life-threatening irregular heartbeat within the past 6 months
* you are taking nitrates (eg
isosorbide
nitroglycerin) in any form (eg
tablet
capsule
patch
ointment)
nitroprusside
or certain antiarrhythmics (eg
quinidine
amiodarone)
* you use certain recreational drugs called "poppers" (eg
amyl nitrate
butyl nitrate)

Contact your doctor or health care provider right away if any of these apply to you.
Before using Levitra :

Some medical conditions may interact with Levitra . Tell your doctor or pharmacist if you have any medical conditions
especially if any of the following apply to you:

* if you are taking any prescription or nonprescription medicine
herbal preparation
or dietary supplement
* if you have allergies to medicines
foods
or other substances
* if you have a deformed penis (eg
Peyronie disease
cavernosal fibrosis)
blood problems (eg
sickle cell anemia
leukemia
multiple myeloma)
or any other condition that may increase the risk of a prolonged erection (priapism)
* if you have a history of certain eye problems (eg
sudden vision loss
optic neuropathy
macular degeneration)
* if you have a history of liver or kidney problems
high or low blood pressure
ulcers
bleeding problems
blood vessel problems
or heart problems (eg
heart failure
aortic stenosis
angina)
* if you have a history of heart attack
stroke
a certain type of irregular heartbeat (long QT syndrome)
or a family history of long QT syndrome

Some MEDICINES MAY INTERACT with Levitra . Tell your health care provider if you are taking any other medicines
especially any of the following:

* Alpha-blockers (eg
doxazosin)
medicines for high blood pressure
nitrates (eg
isosorbide
nitroglycerin)
or nitroprusside because severe low blood pressure with dizziness
lightheadedness
and fainting may occur
* Certain antiarrhythmics (eg
quinidine
amiodarone) because the risk of irregular heartbeat may be increased
* Azole antifungals (eg
itraconazole)
HIV protease inhibitors (eg
ritonavir)
macrolide antibiotics (eg
erythromycin)
or telithromycin because they may increase the risk of Levitra 's side effects
* Rifampin because it may decrease Levitra 's effectiveness

This may not be a complete list of all interactions that may occur. Ask your health care provider if Levitra may interact with other medicines that you take. Check with your health care provider before you start
stop
or change the dose of any medicine.