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Comparing viagra, levitra, and cialis.
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What Is ViagraŽ?

ViagraŽ is a pill used to treat erectile dysfunction (impotence) in men. It can help many men who have erectile dysfunction get and keep an erection when they become sexually excited (stimulated). You will not get an erection just by taking this medicine. ViagraŽ helps a man with erectile dysfunction get an erection only when he is sexually excited.

What is Viagra's success rate?

According to an AP article released 10/27/97, Viagra achieved a success rate of 80%.

What if Viagra doesn't work for me?

If Viagra doesn't give you the results and duration you want, you might consider consulting with a urologist about some of the other popular treatments for male erectile dysfunction. back to top

Is Viagra sold over the counter, or does it require a prescription?

Viagra requires a prescription from a doctor. It will not be sold over-the-counter.

How To Take ViagraŽ

Take ViagraŽ about one hour before you plan to have sex. Beginning in about 30 minutes and for up to 4 hours, ViagraŽ can help you get an erection if you are sexually excited. If you take ViagraŽ after a high-fat meal (such as a cheeseburger and french fries), the medicine may take a little longer to start working. ViagraŽ can help you get an erection when you are sexually excited. You will not get an erection just by taking the pill.

How Sex Affects the Body

When a man is sexually excited, the penis rapidly fills with more blood than usual. The penis then expands and hardens. This is called an erection. After the man is done having sex, this extra blood flows out of the penis back into the body. The erection goes away. If an erection lasts for a long time (more than 6 hours), it can permanently damage your penis. You should call a doctor immediately if you ever have a prolonged erection that lasts more than 4 hours. Some conditions and medicines interfere with this natural erection process. The penis cannot fill with enough blood. The man cannot have an erection. This is called erectile dysfunction if it becomes a frequent problem. During sex, your heart works harder. Therefore sexual activity may not be advisable for people who have heart problems. Before you start any treatment for erectile dysfunction, ask your doctor if your heart is healthy enough to handle the extra strain of having sex. If you have chest pains, dizziness or nausea during sex, stop having sex and immediately tell your doctor you have had this problem.

How ViagraŽ Works

ViagraŽ enables many men with erectile dysfunction to respond to sexual stimulation. When a man is sexually excited, ViagraŽ helps the penis fill with enough blood to cause an erection. After sex is over, the erection goes away.

ViagraŽ Is Not for Everyone

As noted above, ask your doctor if your heart is healthy enough for sexual activity. If you take any medicines that contain nitrates - either regularly or as needed - you should never take ViagraŽ. If you take ViagraŽ with any nitrate medicine or recreational drug containing nitrates, your blood pressure could suddenly drop to an unsafe level. You could get dizzy, faint, or even have a heart attack or stroke. Nitrates are found in many prescription medicines that are used to treat angina (chest pain due to heart disease) such as: nitroglycerin (sprays, ointments, skin patches or pastes, and tablets that are swallowed or dissolved in the mouth) isosorbide mononitrate and isosorbide dinitrate (tablets that are swallowed, chewed, or dissolved in the mouth) Nitrates are also found in recreational drugs such as amyl nitrate or nitrite ("poppers"). If you are not sure if any of your medicines contain nitrates, or if you do not understand what nitrates are, ask your doctor or pharmacist. ViagraŽ is only for patients with erectile dysfunction. ViagraŽ is not for newborns, children, or women. Do not let anyone else take your ViagraŽ. ViagraŽ must be used only under a doctor's supervision.

What ViagraŽ Does Not Do

ViagraŽ does not cure erectile dysfunction. It is a treatment for erectile dysfunction. ViagraŽ does not protect you or your partner from getting sexually transmitted diseases, including HIV-the virus that causes AIDS. ViagraŽ is not a hormone or an aphrodisiac.

What To Tell Your Doctor Before You Begin ViagraŽ

Only your doctor can decide if ViagraŽ is right for you. ViagraŽ can cause mild, temporary lowering of your blood pressure. You will need to have a thorough medical exam to diagnose your erectile dysfunction and to find out if you can safely take ViagraŽ alone or with your other medicines. Your doctor should determine if your heart is healthy enough to handle the extra strain of having sex. Be sure to tell your doctor if you: have ever had any heart problems (e.g., angina, chest pain, heart failure, irregular heart beats, or heart attack) have ever had a stroke have low or high blood pressure have a rare inherited eye disease called retinitis pigmentosa have ever had any kidney problems have ever had any liver problems have ever had any blood problems, including sickle cell anemia or leukemia are allergic to sildenafil or any of the other ingredients of ViagraŽ tablets have a deformed penis, Peyronie's disease, or ever had an erection that lasted more than 4 hours have stomach ulcers or any types of bleeding problems are taking any other medicines.

Possible Side Effects

Like all medicines, ViagraŽ can cause some side effects. These effects are usually mild to moderate and usually don't last longer than a few hours. Some of these side effects are more likely to occur with higher doses. The most common side effects of ViagraŽ are headache, flushing of the face, and upset stomach. Less common side effects that may occur are temporary changes in color vision (such as trouble telling the difference between blue and green objects or having a blue color tinge to them), eyes being more sensitive to light, or blurred vision.

ViagraŽ and Other Medicines

Some medicines can change the way ViagraŽ works. Tell your doctor about any medicines you are taking. Do not start or stop taking any medicines before checking with your doctor or pharmacist. This includes prescription and nonprescription medicines or remedies. Remember, ViagraŽ should never be used with medicines that contain nitrates If you are taking a protease inhibitor, your dose may be adjusted (please see paragraph below) ViagraŽ should not be used with any other medical treatments that cause erections. These treatments include pills, medicines that are injected or inserted into the penis, implants or vacuum pumps.

Finding the Right Dose for You

ViagraŽ comes in different doses (25 mg, 50 mg and 100 mg). If you do not get the results you expect, talk with your doctor. You and your doctor can determine the dose that works best for you.

Do not take more ViagraŽ than your doctor prescribes.

If you think you need a larger dose of ViagraŽ, check with your doctor. ViagraŽ should not be taken more than once a day. If you are older than age 65, or have serious liver or kidney problems, your doctor may start you at the lowest dose (25 mg) of ViagraŽ. If you are taking protease inhibitors, such as for the treatment of HIV, your doctor may recommend a 25 mg dose and may limit you to a maximum single dose of 25mg of ViagraŽ in a 48 hour period.


What is Levitra?

LEVITRAŽ is an FDA-approved oral prescription medication for the treatment of erectile dysfunction (ED) in men. It is available in 10 mg, and 20 mg tablets and is taken only when needed. Take Levitra no more than once a day.

What Levitra does

Levitra helps increase blood flow to the penis and may help men with ED get and keep an erection satisfactory for sexual activity. Once a man has completed sexual activity, blood flow to his penis should decrease and his erection should go away. Levitra has been clinically shown to improve erectile function even in men who had other health factors, like diabetes or prostate surgery. Levitra provided first time success and reliable improvement of erection quality for many men. Men reported having harder erections and improved overall sexual experiences.

How Levitra Works

The active ingredient in Levitra works specifically on the chain of events that occur in the penis during arousal. Levitra belongs to a class of drugs called "PDE-5 inhibitors." It works by increasing blood flow to the penis to improve erectile function. In clinical trials, Levitra was shown to help men get and keep an erection for successful intercourse. Levitra won't cause an embarrassing, instant erection. For most men, Levitra did not cause an erection for longer than they were sexually stimulated.

Levitra safety and side effects

Do not take Levitra if you:

* Take any form of medication known as "nitrates"
(a type of medicine used to relieve chest pain that can occur as a result of heart disease). Taking Levitra in combination with nitrates (such as nitroglycerin, isosorbide mononitrate, and isosorbide dinitrate) may result in serious side effects.
* Take medicines called "alpha-blockers"
(sometimes prescribed for prostate problems or high blood pressure). Taking Levitra with alpha-blockers may drop your blood pressure to an unsafe level.
* Your doctor determines that sexual activity poses a health riskfor you.
* You have a known sensitivity or allergy to any component of Levitra.

The most common side effects with Levitra are:

* Headaches
* Flushing
* Stuffy or runny nose

Levitra may uncommonly cause:

* An erection that won't go away (priapism). If you get an erection that lasts more than 4 hours, get medical help right away. Priapism must be treated as soon as possible or lasting damage can happen to your penis including the inability to have erections.
* Vision changes, such as seeing a blue tinge to objects or having difficulty telling the difference between the colors blue and green.

These are not all the side effects of Levitra . For more information, ask your doctor or pharmacist.

Levitra should not be taken more than once a day. Your doctor can advise you whether Levitra is appropriate for you and can select a dose that is right for you. Remember, Levitra does not protect you or your partner from sexually transmitted diseases including HIV. Before using Levitra , you should tell your doctor about any medical problems you have and all medications you are currently taking.


What Is CialisŽ?

CIALISŽ is a prescription medicine taken by mouth for the treatment of erectile dysfunction (ED) in men. ED is a condition where the penis does not harden and expand when a man is sexually excited, or when he cannot keep an erection. A man who has trouble getting or keeping an erection should see his doctor for help if the condition bothers him. CIALIS may help a man with ED get and keep an erection when he is sexually excited. CIALIS is, the first tablet for erectile dysfunction (ED) that gives you up to 36 hours to choose the moment that's right for you and your partner.

How does CialisŽ work?

When a man is sexually stimulated, his body's normal physical response is to increase blood flow to his penis. This results in an erection. CIALIS helps increase blood flow to the penis and may help men with ED get and keep an erection satisfactory for sexual activity. Once a man has completed sexual activity, blood flow to his penis decreases, and his erection goes away.

What if Cialis doesn't work for me?

If Cialis doesn't give you the results and duration you want, you might consider consulting with a urologist about some of the other popular treatments for male erectile dysfunction.

 
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