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Over the last years, on the world market of medicaments there have emerged a big number of different products for males to incite their sexual desire. Amid them are medicaments of plant nature such as herbal preparations and food additives or biologically active supplements, homeopathic substanses and many others. Chemically produced products, such as Viagra super active, Cialis super active, Levitra and others are also used for such purpose.
Due to the number and diversity of medicaments like Viagra, cheap Cialis or Levitra plus, the physician has a opportunity to pick out the most effective treatment of impotence starting from the reasons that produced it. So all these medicines has an entire right to exist.
Let's try to look into a quantity of medicines used to treat impotence.
Viagra
The world (nonproprietary) name of Viagra is Sildenafil. It's the first product of phosphodiesterase type 5 inhibitors, a young set of drugs.
The drug preparation extends the blood vessels of a phallus if there is respective erotic excitement. As a consequence the blood flow in a penis is enhanced that brings regular erection.
Viagra is a medicament used to treat erectile dysfunction also known as impotence. In case of impotence ordinary erection of a male which is needed for coitus doesn't take place. Sildenafil is efficient merely when there is erotic arousal. It does not have any impact on the reproductive ability.
Viagra dose that is perfect for you should be defined by your physician. The dose of 50 mg is enough for almost all males though may be either increased to 100 mg or diminished to 25 mg according to its effectiveness and medicine tolerance.
Don't take a higher dosage than was proscribed by your physician. More than 1 tablet of Viagra a day must never be taken. In the event of taking more pills that were proscribed you must straightway inform your doctor.
Cialis
At the present moment, Cialis (Tadalafil) has also found extensive use for the cure of impotence besides Viagra (Sildenafil). Cialis (Tadalafil) is the joint brainchild of the pharmaceutical company Eli Lilly and YCOS corporation.
As compared to Viagra on the assumption of the information on pharmacogenetics Cialis has some benefits. Hereby, with Cialis erection continues up to 36 hours (in 20 mg dose), with Viagra - 4-6 hours.
Side effects of Sildenafil and Cialis are rather akin: vertigo, headache, diarrhea, nausea, signs of influenza (stuffy nose), back pain, muscular aches, color-vision defect.
Levitra
At the present moment, on the worldwide pharmacological market a new medicine Levitra (Vardenafil) has appeared. On the II stage of clinical testing Levitra had a beneficial influence on 80 percent of men taking it irrespective of their age.
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