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23. Jackson G "Treatment of erectile dysfunction in patients with cardiovascular disease : guide to drug selection." Drugs 64 (2004): 1533-45
In the 1990s, Pfizer began development on a drug called UK-92480, intended as a treatment for angina and high blood pressure. The drug worked by inhibiting an enzyme that causes the inside of blood vessels to contract. The theory was, if this process was disrupted, then the cells would relax, improving blood flow and relieving blood pressure. Viagra Prices cialys Effects of Viagra on Cardiac Parameters: Single oral doses of sildenafil up to 100 mg produced no clinically relevant changes in the ECGs of normal male volunteers.Edrugstore.MDAnother thing to consider is that sexual activity is associated with a degree of cardiac risk. Therefore your overall cardiovascular status need to be considered when contemplating taking Viagra. The recommendation is to talk to your physician regarding your concerns about using Viagra especially with your history of a stroke. Your physician is best able to determine if Viagra is appropriate for you or not.
viagra pro medicines called HIV protease inhibitors, such as ritonavir (Norvir), indinavir sulfate (Crixivan), saquinavir (Fortovase or Invirase) or atazanavir sulfate (Reyataz)
In 1998, the Food and Drug Administration (FDA) approved it as the first pill to treat impotence (now known as erectile dysfunction), and in 2005 it approved sildenafil for the treatment of PAH.
Avoid Use with other PDE5 Inhibitors cialis canada
Do not drink large amounts of alcohol before sexual activity.
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