ANSWERS: 1
  • Viagra is a drug available by prescription only. Viagra treats erectile dysfunction, or ED. It is intended for men who have difficulties having or maintaining an erection. As with all medications, discuss the possible risks and side effects of taking Viagra.

    Effects

    Viagra encourages the ability of a man to have and maintain an erection. It works by increasing blood circulation.

    Time Frame

    Give Viagra about 30 minutes to start working before engaging in sexual activity. Viagra may last for four hours.

    Side Effects

    Viagra may cause some side effects, such as headache, upset stomach and flushing.

    Warning

    You should not experience an erection that lasts longer than four hours. If you do, you need to see your doctor immediately.

    Considerations

    Do not exceed more than one dose per day. Ask your doctor if you need to be on a restricted dosage due to other medical conditions or medications.

    Source:

    Viagra: Common Questions

    Drugs.com: Viagra

    More Information:

    The Mayo Clinic: Erectile Dysfunction

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