How long does the effect last? Viagra: approximately 4 hours Cialis: approximately 17 to 36 hours (This is why they call Cialis the weekend pill.) Levitra: approximately 5 hours

Year approved by the FDA: Viagra: March 27, 1998 Cialis: November 1, 2003 Levitra: August 20, 2003

Cost of Pill

The cost for each of the 3 drugs is similar though Cialis tends to be a bit cheaper.

Success Rate

All three drugs work for approximately 70 percent of all men. Unfortunately, PDE-5 inhibitors won’t work for everyone. Certain men may need to use alternative treatments such as vacuum pump devices or even penile implants.

Side Effects

All three drugs share most of the same side effects. Some men may experience headaches, flushing, back pain, runny noses, stomach aches, or even changes in vision (example: some Viagra studies have revealed that on rare occasions a man may begin seeing a bluish tinge but that should go away after the drug has been eliminated from the body). These are all common side effects and should not be reason to worry excessively.

None of the three PDE-5 inhibitors should be taken in combination with low blood pressure medication as this can potentially cause a person to have a heart attack. People with high blood pressure should also take PDE-5 inhibitors only after consulting with their doctor. In fact you should never self-prescribe yourself with any of the 3 PDE-5 inhibitors or any other prescription drug for that matter. Even if you are purchasing your PDE-5 inhibitors online you must still open up and tell the pharmacist everything he/she needs to know in order to properly formulate the correct treatment for you.

What the drug looks like: Viagra: Small blue tablet with the word Pfizer engraved in the middle. Cialis: Yellow tablet that is almond shaped and film coated. Levitra: Orange tablet with a flame logo.

Notable Differences

Basically the only major difference between the three drugs is that Levitra begins working the fastest and will work regardless of what kind of food you have previously eaten. Viagra has the proven track record and has been trusted by over 30 million men and Cialis is the longest lasting. In the end though, the real choice is up to you.

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