In such cases, under medical supervision it makes sense to try means second-line treatment or injections into the penis of vasodilator substances. If that does not work — must use one of the options of surgical treatment. It should be remembered that the highest efficiency among all treatments ED has a penile prosthesis.
How are the pills to get an erection. viagra How are they harmful? Whether not develop addiction to pills of erection? What are the side effects and contraindications? What are the known drug interactions?
Viagra, Cialis and Levitra have absolutely the same mechanism of action and are selective (selective) inhibitors of the activity of the enzyme phosphodiesterase 5-th type (ФДЭס). This enzyme in turn inhibits the production of smooth muscle cyclic guanosine — monophosphate (CGMP), which is formed from guanosine-monophosphate (GMP) under the action of nitric oxide (NO). The main function of CGMP is the relaxation of smooth muscles of the cavernous (cavernous) bodies of the penis. When inhibited action ФДЭס in the corpora cavernosa accumulate significantly greater amounts of CGMP, much better relaxing their smooth muscles and the penis is directed substantially greater amount of blood which causes erection.
These drugs act selectively in the vascular tissue of the penis and virtually harmless. They do not cause persistent negative effects with prolonged and regular use. Of any addiction to pills for erection does not develop. Sale 10mg CIalis Houston, Texas! Except purely psychological dependence. viagra Once you have tried the pill for erection and felt much better the quality, feeling again lost lust, a man sometimes not want to give up Viagra, Cialis or Levitra. This is similar to how once sat down behind the wheel of a quality foreign car driver, is committed no longer sits behind the wheel of a Lada.
The main side effects of Viagra. Cialis and Levitra and their frequency are summarized in Table cheapest viagra.
Table 1. The frequency of side effects certain dosages cialis tablets of an erection in%.
How and when apply pills for erection what is the difference between Viagra, Cialis and Levitra?
Pills for erection from the group ФДЭס inhibitors (Viagra, Cialis, Levitra) are the means of first choice in any form of organic ED. They were appointed immediately before intercourse to the amount of time from 30 minutes to 1 hour before the planned sex cheap viagra. In some cases, drugs are prescribed regularly before each sexual intercourse, sometimes they are recommended to be taken only in those cases where, in the opinion of the patient, have the greatest chance of failure. In these preparations there are differences that are useful to know. Viagra has the largest clinical experience, because in use since 1998. This drug has already helped more than 16 million people worldwide and is the most well studied of all the pills for erection. Viagra should be taken 1 hour before intercourse, it works up to 4 hours and after taking one often comes side-effects compared with newer ФДЭס inhibitors. Before taking Viagra do not recommended to eat rich fatty foods, because it reduces the effectiveness of the drug. The levitra can be taken for 15㪶 minutes before the planned sex, the duration of its action much more than Viagra, and the incidence of side effects less. Cialis is taken 30 minutes before intended intercourse, fatty food does not affect its activity, and he acts up to 36 hours and sometimes more. For is Cialis called the weekend pill, since one tablet allows you to stay "in shape" the whole weekend. sale cialisTo compare the side effect profile of all 3 drugs can again refer to Table 1.
How effective is the pill for erection and whether using them to completely get rid of ED?