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  • Basic Info
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Generic: sildenafil
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It is used to treat erection problems in men.

To get info about second drug, type a name above.

What is this medicine?

SILDENAFIL (sil DEN a fil) is used to treat erection problems in men.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

- bleeding disorders
- eye or vision problems, including a rare inherited eye disease called retinitis pigmentosa
- anatomical deformation of the penis, Peyronie's disease, or history of priapism (painful and prolonged erection)
- heart disease, angina, a history of heart attack, irregular heart beats, or other heart problems
- high or low blood pressure
- history of blood diseases, like sickle cell anemia or leukemia
- history of stomach bleeding
- kidney disease
- liver disease
- stroke
- an unusual or allergic reaction to sildenafil, other medicines, foods, dyes, or preservatives
- pregnant or trying to get pregnant
- breast- feeding

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. The dose is usually taken 1 hour before sexual activity. You should not take the dose more than once per day. Do not take your medicine more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. This medicine is not used in children for this condition.

What if I miss a dose?

This does not apply. Do not take double or extra doses.

What may interact with this medicine?

Do not take this medicine with any of the following medications:

- cisapride
- methscopolamine nitrate
- nitrates like amyl nitrite, isosorbide dinitrate, isosorbide mononitrate, nitroglycerin
- nitroprusside
- other medicines for erectile dysfunction like avanafil, tadalafil, vardenafil
- other sildenafil products (Revatio)
This medicine may also interact with the following medications:

- certain drugs for high blood pressure
- certain drugs for the treatment of HIV infection or AIDS
- certain drugs used for fungal or yeast infections, like fluconazole, itraconazole, ketoconazole, and voriconazole
- cimetidine
- erythromycin
- rifampin

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