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  1. Drugs.com
    https://www.drugs.com/sildenafil

    Sildenafil: Usage, Dosage & Side Effects - Drugs.com

    • Sildenafil is a medicine that relaxes blood vessels and treats erectile dysfunction (Viagra) or pulmonary hypertension (Revatio). Learn about its warnings, interactions, and how to take it safely.… 展开

    What Is Sildenafil?

    Sildenafilrelaxes muscles of the blood vessels and increases blood flow to particular areas of the body. Sildenafil under the name Viagra is used to treat erectile dysfuncti… 展开

    Drugs.com
    Warnings

    Do not take sildenafil if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some recreational drug… 展开

    Drugs.com
    Before Taking This Medicine

    You should not use sildenafil if you are allergic to it, or: 1. if you take other medicines to treat pulmonary arterial hypertension, such as riociguat (Adempas). Do not take this … 展开

    Drugs.com
    How Should I Take Sildenafil?

    Take sildenafil exactly as it was prescribed for you. Follow all directions on your prescription label and read all medication guides or instruction sheets. Revatio is usually taken thr… 展开

    Drugs.com
    What are the side effects of taking Viagra?
    Viagra affects the penis and other parts of the body. Too much can cause a priapism, an uncomfortable and disproportionately large erection that lasts for more than four hours. A prolonged erection can lead to permanent damage to the penile tissues. The side effects of Viagra vary from a permanent, painful erection to heartbeat irregularities.
    medicaldaily.com
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    目录
    What Is Sildenafil?
    Warnings
    Before Taking This Medicine
    How Should I Take Sildenafil?
    What are the side effects of taking Viagra?
     
  1. Treat erectile dysfunction (impotence) in men
    Sildenafil relaxes muscles of the blood vessels and increases blood flow to particular areas of the body. Sildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women.

    Sildenafil: Usage, Dosage & Side Effects - Drugs.com

    www.drugs.com/sildenafil.html
    www.drugs.com/sildenafil.html
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    What is the difference between sildenafil and Viagra?
    Sildenafil is the active ingredient in Viagra and in generic, unbranded Sildenafil tablets. Both generic Sildenafil tablets and Viagra work exactly the same, are equally effective, and work for the same duration. The main difference between them is simply the price and branding; Viagra being more expensive.

    Sildenafil vs Viagra: Is there a difference? | Manual

    manual.co
    What are the side effects of taking sildenafil?
    A headache, stomach upsets, and flushing are the main side effects. Prescribed... more Sildenafil has an average rating of 8.2 out of 10 from a total of 483 ratings on Drugs.com. 77% of reviewers reported a positive effect, while 13% reported a negative effect.

    Sildenafil vs Viagra Comparison - Drugs.com

    drugs.com
    What are the side effects of taking Viagra?
    Viagra affects the penis and other parts of the body. Too much can cause a priapism, an uncomfortable and disproportionately large erection that lasts for more than four hours. A prolonged erection can lead to permanent damage to the penile tissues. The side effects of Viagra vary from a permanent, painful erection to heartbeat irregularities.

    What is the treatment for viagra (sildenafil) overdose?

    medicaldaily.com
    What is the difference between Viagra and Revatio?
    Viagra relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body. Viagra is used to treat erectile dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women.

    Viagra: Uses, Dosage, Side Effects, Warnings - Drugs.com

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  3. Drugs.com
    https://www.drugs.com/viagra.htm

    Viagra: Uses, Dosage, Side Effects, Warnings - Drugs.com

  4. Healthline
    https://www.healthline.com/health/drug…

    Viagra Oral Tablet: How it Works, How Long it Lasts, …

    2024年1月26日 · Viagra is a prescription drug for erectile dysfunction in males. It works by blocking an enzyme that breaks down cGMP, a protein that helps blood flow to the penis. Learn how Viagra works, how long it lasts, what …

  5. Wikipedia
    https://en.wikipedia.org/wiki/Sildenafil

    Sildenafil - Wikipedia

  6. Mayo Clinic
    https://www.mayoclinic.org/drugs-supplements/...

    Sildenafil (oral route) - Mayo Clinic

  7. Healthline
    https://www.healthline.com/.../generic-…

    Generic Viagra vs. Brand-Name Viagra: Same or …

    2024年10月25日 · Generic Viagra (sildenafil) is an alternative to the brand-name Viagra that people can use to help treat erectile dysfunction. It costs a fraction of the price, but does it work as...

  8. VIAGRA
    https://www.viagra.com

    Home | VIAGRA® (sildenafil citrate) | Safety Info

  9. Medical News Today
    https://www.medicalnewstoday.com/articles/viagra

    Viagra (sildenafil): Side effects, dosage, how long it …

    2024年5月24日 · Viagra is a brand-name tablet for erectile dysfunction (ED) that contains sildenafil. Learn how it works, how long it lasts, what side effects it may cause, and how to take it safely.

  10. nih.gov
    https://pmc.ncbi.nlm.nih.gov/articles/PMC1874251

    Onset and duration of action of sildenafil for the treatment of ...

  11. MedlinePlus
    https://medlineplus.gov/druginfo/meds/a699015.html

    Sildenafil: MedlinePlus Drug Information