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2. Vardenafil - Wikipedia

   en.wikipedia.org/wiki/Vardenafil

   Vardenafil's indications and contraindications are the same as with other PDE5 inhibitors; it is closely related in function to sildenafil citrate (Viagra) and tadalafil (Cialis). The difference between the vardenafil molecule and sildenafil citrate is a nitrogen atom's position and the change of sildenafil's piperazine ring methyl group to an ...

3. Tips For Seniors Over 65 With ED - AOL

   www.aol.com/tips-seniors-over-65-ed-125700073.html

   Tips For Seniors Over 65 With ED. Nicholas Gibson. April 30, 2024 at 8:57 AM ... Vardenafil is the active ingredient in Levitra. It typically provides relief from ED for four to six hours per dose ...

4. Your ED Pill Guide: Everything You Need to Know Before ... - AOL

   www.aol.com/ed-pill-guide-everything-know...

   Some of the most common side effects of ED meds include headaches, dizziness, upset stomach, back pain and nasal congestion. A healthcare provider can help you determine which ED medication and ...

5. Things You Probably Don't Know About Viagra (Like What It Was ...

   www.aol.com/things-probably-dont-know-viagra...

   Like any medication, side effects of Viagra may come with its many benefits. Still, Viagra is safe when used as directed. Viagra may cause common side effects, including:

6. PDE5 inhibitor - Wikipedia

   en.wikipedia.org/wiki/PDE5_inhibitor

   Chemical structure of sildenafil (Viagra), the prototypical PDE5 inhibitor. A phosphodiesterase type 5 inhibitor (PDE5 inhibitor) is a vasodilating drug that works by blocking the degradative action of cGMP-specific phosphodiesterase type 5 (PDE5) on cyclic GMP in the smooth muscle cells lining the blood vessels supplying various tissues.

7. Erectile dysfunction - Wikipedia

   en.wikipedia.org/wiki/Erectile_dysfunction

   Erectile dysfunction (ED), also referred to as impotence, is a form of sexual dysfunction in males characterized by the persistent or recurring inability to achieve or maintain a penile erection with sufficient rigidity and duration for satisfactory sexual activity.

8. 4 Common ED Pills: Weighing the Pros & Cons of Each - AOL

   www.aol.com/4-common-ed-pills-weighing-141800609...

   The Best ED Medication for Men: Pros & Cons of Top ED Pills. Over the last 25 years, (ED) medications like Viagra and Cialis have become common fixtures in bedrooms around the world.

9. Late-onset hypogonadism - Wikipedia

   en.wikipedia.org/wiki/Late-onset_hypogonadism

   As of 2016, the International Society for the Study of the Aging Male defines late-onset hypogonadism as a series of symptoms in older adults related to testosterone deficiency that combines features of both primary and secondary hypogonadism; the European Male Aging Study (a prospective study of ~3000 men) [10] defined the condition by the presence of at least three sexual symptoms (e.g ...