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    Erectile Dysfunction: Medicines to Treat ED

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    Who Should Not Take These?

    If you’ve had a heart attack, stroke, or life-threatening irregular heart rate within the past 6 months, you should discuss other options with your doctor. You should also avoid these drugs if you have uncontrolled high or low blood pressure or if you get chest pain while having sex.

    What Are the Side Effects?

    Side effects are not common, but they can happen. You may get:

    Call your doctor if these symptoms are severe or if they do not go away after 4 to 8 hours.

    Warnings

    You may need emergency treatment if you have:

    • A rash
    • Painful erection
    • An erection that last longer than 4 hours
    • Fainting
    • Chest pain
    • Itching or burning during urination

    If you’re having chest pain and have taken Viagra in the past 24 hours or Cialis in the past 48 hours, don’t take nitroglycerin, and make sure you tell the EMS that arrives that you’ve taken whichever ED medicine you took.

    You should also stop these medications and call your doctor right away if you have vision loss.

    A rare vision problem called NAION has been reported by a few men using these drugs. NAION causes a sudden loss of eyesight because blood flow is blocked to the optic nerve. People who have a higher chance for NAION include those who:

    How Should I Store These Drugs?

    Keep them in their original container and out of reach of children. Store them away from heat and moisture (not in the bathroom). When they expire or you don’t need them anymore, get rid of them.

    WebMD Medical Reference

    Reviewed by Stuart Bergman, MD on October 21, 2015
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