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  2. 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.

  3. 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 ...

  4. Vardenafil - Wikipedia

    en.wikipedia.org/wiki/Vardenafil

    Vardenafil, sold under the brand name Levitra among others, is a medication that is used for treating erectile dysfunction. [ 1 ] [ 2 ] It is a PDE5 inhibitor . [ 1 ] It is taken by mouth .

  5. 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.

  6. Therapeutic index - Wikipedia

    en.wikipedia.org/wiki/Therapeutic_index

    In such cases, the effective dose is the amount and frequency that produces the desired effect, which can vary, and can be greater or less than the therapeutically effective dose. The Certain Safety Factor , also referred to as the Margin of Safety (MOS) , is the ratio of the lethal dose to 1% of population to the effective dose to 99% of the ...

  7. What Is the Safest ED Medication? - AOL

    www.aol.com/safest-ed-medication-105700669.html

    Safety is an essential factor to consider before using any type of medication, and treatments for ED are no exception. Luckily, ED is a treatable issue with a number of well-known options.

  8. Men have Viagra. What do women have for low libido? Here's ...

    www.aol.com/lifestyle/men-viagra-women-low...

    For erectile dysfunction, men have plenty of drugs to choose from, including Cialis, Levitra, Stendra and Viagra, otherwise known as the “little blue pill.” For women, the treatment options ...

  9. 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.