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For partners

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Common questions

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Common questions

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Healthcare professionals

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Find an ED-friendly doctor

VIAGRA is prescribed to treat erectile dysfunction (ED).

Important safety information

Do not take VIAGRA if you take nitrates, often prescribed for chest
pain, as this may cause a sudden, unsafe drop in blood pressure.

Discuss your general health status with your doctor to ensure that you
are healthy enough to engage in sexual activity. If you experience
chest pain, nausea, or any other discomforts during sex, seek
immediate medical help.

In the rare event of an erection lasting more than 4 hours, seek
immediate medical help to avoid long-term injury.

If you are older than age 65, or have serious liver or kidney
problems, your doctor may start you at the lowest dose (25 mg) of
VIAGRA. If you are taking protease inhibitors, such as for the
treatment of HIV, your doctor may recommend a 25-mg dose and may limit
you to a maximum single dose of 25 mg of VIAGRA in a 48-hour period.

In rare instances, men taking PDE5 inhibitors (oral erectile
dysfunction medicines, including VIAGRA) reported a sudden decrease or
loss of vision. It is not possible to determine whether these events
are related directly to these medicines or to other factors. If you
experience sudden decrease or loss of vision, stop taking PDE5
inhibitors, including VIAGRA, and call a doctor right away.

Sudden decrease or loss of hearing has been rarely reported in people
taking PDE5 inhibitors, including VIAGRA. It is not possible to
determine whether these events are related directly to the PDE5
inhibitors or to other factors. If you experience sudden decrease or
loss of hearing, stop taking VIAGRA and contact a doctor right away.

If you have prostate problems or high blood pressure for which you
take medicines called alpha blockers, your doctor may start you on a
lower dose of VIAGRA.

VIAGRA should not be used with other treatments that cause erections.
VIAGRA should not be used with REVATIO as REVATIO contains sildenafil,
the same medicine found in VIAGRA.

VIAGRA does not protect against sexually transmitted diseases,
including HIV.

The most common side effects of VIAGRA are headache, facial flushing,
and upset stomach. Less commonly, bluish vision, blurred vision, or
sensitivity to light may briefly occur.

Please see full prescribing information for VIAGRA (25-mg, 50-mg,
100-mg) tablets.

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