Viagra, Cialis and Levitra, Which One?

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Erectile Dysfunction (ED) is a common disease which so disturbing for some men. But to note that at this time there are only three drugs recommended by the FDA, namely Viagra (sildenafil Citrate), Cialis (tadalafil) and levitra (Vardenafil Hydrochloride). What consumers need to determine whether differences in and similarities?

For newbies (people new ED), on the third drug is quite effective to prevent the PDE-5 (PDE-5 inhibitor). Whether PDE-5 is? PDE-5 is the enzyme that will neutralize cGMP (cyclic Guanosine Monophosphate) which functions in the form erection of male vital organ. Let us compare those three.

Manufacturer:
Viagra manufactured by Pfizer
Cialis manufactured by Eli Lilly and ICOS
Levitra manufactured by GlaxoSmithKline and Bayer

Its generic name
Viagra - sildenafil Citrate (in Indonesia known as "blue pill")
Cialis - tadalafil
Levitra - vardenafil hydrochloride

Consumption of the recommended dose
Viagra. Tablet that has a size of 25 mg, 50 mg and 100 mg. most patients using 50 mg where decrease or increased doses are based by tolerance and effectiveness. Viagra should usually consumed at least 1 hour before sexual activities. However, some research recommends a range within 30 minutes to 4 hours before the intimate relationship be done.
Cialis. Sized tablet 5 mg, 10 mg and 20 mg. For a start usually recommended to consume 10 tablets. And a decrease / increase dose is determined and then based on the results obtained. Cialis is generally consumed about 30 minutes to 12 hours before the "activity".
Levitra. Tablet-sized 2.5 mg, 5 mg, 10 mg and 20 mg. As well as Cialis, DE recommended people consume 10 pills before and the increase or decrease the dose after the results are visible. Levitra themselves can be consumed 25 minutes to 1 hour before the sexual activities, even according to some experts can be consumed 15 minutes prior to intimate relationships.

Duration of effects
Viagra. Approximately 4 hours.
Cialis. Approximately 17 to 36 hours (so-called ordinary pill "last week").
Levitra. Approximately 5 hours.

Price
More or less the same though Cialis tends to be a bit cheaper.

Level success
They have the average success of the same at around 70 percent. How the 30 percent? They will be recommended to use vacuum pump or even penile implants

Side effects
Third DE medicine has side effects that are similar. Ranging from headache, back pain, runny nose, sore eyes and stomache or even changes in vision. The three drugs are not recommended consumed with drugs to increase blood pressure, which will result in heart attack. People with high blood pressure, also should be consult with doctor first.

Note
Although they effective enough to use for people with DE, levitra claimed to work more quickly after consumption. Viagra has been famous for long enough, proven track record and has been trusted by over 30 million men, while Cialis is known as durable.

Now depending on you, the coice is up to you ...