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Erectile dysfunction (ED), also known as impotence, is the inability to get and maintain an erection that is sufficient for satisfactory sexual intercourse. viagra online sales co uk
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buy propecia online Is the patient taking medications that can contribute to erectile dysfunction? What precautions should be taken when using vardenafil (Levitra)? Metabolism (breakdown) of vardenafil can be slowed by aging, liver disease, and concurrent use of certain medications (such as erythromycin, ketoconazole [Nizoral], and protease inhibitors). Slowed breakdown allows vardenafil to accumulate in the body and potentially increase the risk for side effects. Therefore, in men over 65 years of age, with liver dysfunction, or who are also taking medication(s) that can slow the breakdown of vardenafil, the doctor will initiate vardenafil at low doses to avoid its accumulation. Men with a rare heart condition known as long QT syndrome should not take vardenafil since this may lead to abnormal heart rhythms. The QT interval is the time it takes for the heart's muscle to recover after it has contracted. The QT interval is measured with an electrocardiogram (EKG). Some people have longer than normal QT intervals, and they may develop potentially life-threatening abnormal heart rhythms, especially when given certain medications. Since long QT syndrome can be inherited, men with a family history of long QT syndrome should not take vardenafil. Furthermore, vardenafil is not recommended for men who are taking medications that can affect the QT interval such as quinidine (Quinaglute, Quinidex), procainamide (Pronestyl; Procan-SR; Procanbid), amiodarone (Cordarone), and sotalol (Betapace). Possible problems with prostheses include mechanical breakdown and infection. Mechanical problems have diminished in recent years because of technological advances. Call Your Doctor immediately or Go to an Emergency Room If: You have an extended or painful erection, unrelated to sexual desire, lasting more than a few hours. Drug therapy for erectile dysfunction: In a small number of cases, people who have taken sildenafil have complained of headaches, flushing and stomach-ache. It can also cause some visual problems, including an increased sensitivity to light, blurred vision or an inability to tell the difference between blue and green. Men who are already taking medicines that contain nitrates, such as nitro-glycerine (usually for angina or heart disease), are strongly advised not to use Viagra as this is dangerous and may result in a heart attack. Other similar drugs are tadalafil (‘Cialis’)and vardenafil (‘Levitra’). cheapest cialis online australia
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