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CIALIS for Use as NeededMale impotence can be caused by a variety of factors. A common reason, particularly among older men, is male impotence caused by reduced blood flow to the penis. As a PDE5 inhibitor, Viagra relaxes the muscles in the penis, allowing the vessels to dilate and fill with blood. The result is improved blood flow that facilitates an erection once you become sexually aroused. Viagra has been shown to work well for most men, regardless of age, even if you have had male impotence for several years.

CIALIS forCialis is an effective, reversible, selective inhibitor of phosphodiesterase type 5 (PDE 5) specific to cyclic guanosine monophosphate (cGMP). When sexual stimulation causes local release of nitric oxide, inhibition of PDE 5 by Cialis leads to increase of cGMP levels in the cavernous body of penis. It results in relaxation of arterial smooth muscles and blood flow to the tissues of the penis that causes erections. Cialis has no effect when sexual stimulation is absent. Cialis improves erection and lets achieve a successful sexual intercourse. The drug acts during 36 hours. If sexual arousal is present the effect appears even after 16 minutes after the medication was taken. viagra online without prescription Other heart tests which are sometimes done, where appropriate, if heart disease is suspected.Alcohol is another chemical that dilates blood vessels. According to the NIH, neither Viagra nor Levitra strengthened the hypotensive effects of alcohol. However, when it’s mixed with substantial amounts of alcohol, Cialis could lead to potential low blood pressure symptoms when you stand up. These symptoms include dizziness and headache. The NIH also points out that Cialis and Levitra, when taken with alcohol, do not lead to a change in the levels of alcohol or the drug in the blood.Pain in extremity 0.0% 1.4%leukaemia (cancer of the blood cells)

Patients who have suffered a myocardial infarction, stroke, or life-threatening arrhythmia within the last 6 months;So, even if the nerves or blood vessels going to your penis are not working so well, a tablet can cause the blood flow to increase in your penis, and cause an erection. Tablets can treat ED caused by various underlying conditions. lilly cialis

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