VIAGRA (Sildenafil)
Viagra (Sildenafil) is the medical preparation that everyone knows about. Viagra (Sildenafil) was the first highly effective medical preparation to address male sexual disorder, so initially it was made to treat certain heart conditions. The active substance is Sildenafil that at least is contained in one pill in the amount of 50 and 100mg.
The active substance of Viagra (Sildenafil) pills> helps to enhance blood stream in the pelvic area, in such way providing the positive effect on erectile function in males. It should take into account the fact that Viagra (Sildenafil) has no the direct relaxing effect on the penile cavernous body and it only increases the level of NO by inhibiting PDE5 enzymes. This mechanism affects the relaxation of smooth muscle of the penis and increases the blood stream to genitalia.
Erections after Viagra (Sildenafil) therapy only occurs naturally, it means, the pill can produce the high-quality erection that requires sexual stimulation.
Use Viagra (Sildenafil) pill only on an empty stomach – the effect will be more efficient and it contributes to the faster onset of the desired effect. Fatty foods and alcohol decrease the onset of action of the medical preparation at least twice. Avoid mixing Viagra (Sildenafil) with alcohol. You can take no more than 50mg per 24 hours.
One tabletmust be used at least one hour before the planned sexual intercourse. Viagra (Sildenafil) starts to operate 45-50 minutes after the use. The efficacy is maintained for 5 hours.
The most possible adverse reactions to Viagra (Sildenafil) may include:
• Dizziness and headache;
• Transient visual disturbances;
• Redness of the skin.
These side effects usually last only for 203 hours, if longer call an immediate medical assistance. Viagra (Sildenafil) is the contraindication to the use. Admission of Viagra (Sildenafil) is strictly prohibited if you have:
• Penile deformation;
• Leukemia;
• Myeloma;
• Violations of the heart muscle.
Viagra (Sildenafil) is strictly forbidden with the use of nitrate or nitrite-containing medical preparations, nitric oxide donators. This combination can harm your health in a critical reduction in blood pressure. If you are applying any medical preparations and are unsure of their composition, before the use of Viagra (Sildenafil) you should consult a specialist.
CIALIS (Tadalafil)
Cialis (Tadalafil) is an excellent medical preparation made by Eli Lilly to enhance potency and therapy of erectile disorder in men aged from 18 to 80. The main feature of Cialis (Tadalafil) is that by applying only one pill containing 20 mg of Tadalafil, in an hour you will be able to get and maintain a healthy and quality erection.
Cialis (Tadalafil) gives any man confidence in his abilities and sexual performance. Well, the most important distinguishing feature of Cialis (Tadalafil) in comparison with other agents for the therapy of erectile disorder is simply the length of its action - 36 hours!
Tadalafil suppresses of production of PDE5 enzymes and increases the levels of cGMP to the natural level. It means a man gets a healthy erection in response to sexual stimulation. After having an ejaculation, the penis returns to its natural relaxed state.
One Cialis (Tadalafil) pill has at least 20, 40 or 100 mg that must be used at least half an hour prior to sexual intercourse, with a little amount of water. The maximum dose of Cialis (Tadalafil) must be no more than 40 mg, the advised daily dose is - 20 mg.
Cialis (Tadalafil) can cause adverse reactions. However, clinical studies have shown that only about 5% of patients who apply Cialis (Tadalafil) felt faint headache, 3% - back pain, nasal congestion and flushing to face. Side effects were quite short and rare in other patients.
The use of Cialis (Tadalafil) is strictly prohibited if you have:
• Heart angina occurred less than 3 months ago;
• Chronic or evolved heart failure;
• Chronic vascular hypotension;
• Severe renal impairment or failure;
• Priapism;
• Any deformation of the penis.
Medical preparations like Ritonavir, Ketoconazole, Anditraconazole, Saquinavir along with Erythromycin enhance the level of Tadalafil in blood. Rifampicin decreases the effect of Cialis (Tadalafil) . Simultaneous therapy with these medical preparations can cause serious negative effects. Avoid using them together.
LEVITRA (Vardenafil)
Levitra (Vardenafil) is the most modern pill for the therapy of erectile disorder. It is showing high efficiency, even in cases when Viagra (Sildenafil) or Cialis (Tadalafil) does not provide the desired result.
The composition of Levitra (Vardenafil) contains only one active substance, namely Vardenafil. Vardenafil is contained in a single tablet of Levitra (Vardenafil) in the amount of 20, 40 or 100 mg. Levitra (Vardenafil) belongs to the medical preparation family of PDE5 inhibitors that are specifically applied for the therapy of erectile disorder in males aged from 18 to 80 years old.
Vardenafil is the active substance of Levitra (Vardenafil) and this component enhances the relaxing effect of nitric oxide on smooth muscle of the corpus cavernosum of the penis and enhances the natural blood stream to the male penis resulting in an erection appearing in response to sexual stimulation.
One tablet of Levitra (Vardenafil) must be no more than once a day, for at least 30 minutes prior to a sexual intercourse. Duration of Vardenafil lasts about 4-5 hours.
Despite the fact that Levitra (Vardenafil) has an excellent tolerability in 5-7% of cases may cause such side effects as headache and nausea, which are bland and a transient in nature.
Levitra (Vardenafil), like any other PDE5 inhibiting medical preparation, has certain contradictions to its use:
• Deformity of the penis;
• Hypersensitivity to any medical preparation’s substances;
• Low or conversed high blood pressure;
• A liver and kidney failure;
• A stomach ulcer;
• Recently transferred (less than six months ago), a heart attack or stroke;
• Atherosclerosis;
• Cancer.
It is strictly forbidden the simultaneous reception of Levitra (Vardenafil) with a nitrate or nitrite-containing medical preparations, nitric oxide donators. Such medical preparation combination can harm your health in a critical reduction in blood pressure. If you are applying any medications and did not believe in their structure, before you start applying Levitra (Vardenafil) should consult a specialist profiling.