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Viagra vs. Cialis vs. Levitra: Differences and Similarities Viagra vs. Cialis vs. Levitra: Differences and Similarities Viagra vs. Cialis vs. Levitra: Differences and Similarities Ready to combat ED (erectile dysfunction), but confused about what kind of inhibitor of PDE-5 to take? You are not the only one.

3 FDA approved PDE-5 inhibitor, Viagra (sildenafil citrate) is certainly the most popular, but popularity should not only be a determining factor. The most recently approved Cialis (tadalafil) and Levitra (vardenafil hydrochloride) are also very effective and much safer alternatives, although it can not yet be as popular. The problem for most people is indeed to decide the best alternative for them. To begin with, all three drugs are PDE-5 inhibitors are helping them relax compromised or hardened arteries penis thereby allowing more in the flow of blood to the penis and subsequently cause an erection. All three drugs also help maintain high levels of cGMP in the penis. What's cGMP? It means cyclic guanosine monophosphate and it is an incredible substance, which is naturally produced by the tissue of the penis in response to sexual stimulation, which helps vascular and muscle relaxation. When high levels of cGMP are present, penile arteries become relaxed and natural and rigid erection occurs.

Unfortunately, in most of the men suffering from ED, PDE-5 enzyme neutralizes any available cGMP and cGMP without an erection become flaccid or will not occur at all. This is where PDE-5 inhibitor, such as Viagra, Levitra and Cialis come in. These drugs "inhibit" or block unwanted PDE-5 and, therefore, took very cGMP are allowed to remain within the penis occurs after sexual stimulation , and then Facilitating the process of erection and conservation of penis erect. The question is: "Because all of these drugs have the same effect, why should I choose one over the other"? Let's compare the three PDE-5 inhibitors side by side to determine their differences: Manufacturers: Viagra: Cialis Pfizer: Eli Lilly and ICOS Levitra: GlaxoSmithKline and Bayer Generic Name: Viagra: Sildenafil Citrate Cialis: tadalafil Levitra: vardenafil hydrochloride Dosage: Available and recommended: Viagra: 25 mg, 50 mg and 100 mg tablets. Most patients start using the pill and 50 mg or increase or decrease the dose of drugs based on tolerance and / or efficacy. Most health professionals recommend taking Viagra 1 hour before sexual activity, but studies have shown that Viagra can be effectively taken anywhere from 30 minutes to 4 hours before having sex. Cialis: 5 mg, 10 mg and 20 mg tablets.

We recommend starting with 10 mg tablets and either increase or decrease the dosage depending on the results achieved. Traditionally, Cialis tablets can be taken anywhere from 30 minutes to 12 hours prior to sexual activity. Cialis soft tabs (which must go through the process of digestion), can be taken about 15 minutes before sexual activity. Levitra: 2. 5 mg, 5 mg, 10 mg and 20 mg. Most people for starting the pill and 10 mg both work their way upwards or downwards depending on the results achieved. Levitra should be taken anywhere from 25 minutes to 1 hour before sexual activity, although some experts say sex can be started and already 15 minutes. 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 wont 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.