The following information is a summary about Viagra. It is not intended to replace a doctor's instructions.

(Sildenafil - ORAL)

USES
This medication is used to treat male sexual function problems (erection problems).

WHAT SHOULD MY HEALTH CARE PROFESSIONAL KNOW BEFORE I TAKE VIAGRA?
They need to know if you have any of these conditions:
anatomical deformity of the penis, Peyronie's disease, or ever had an erection that lasted more than 4 hours bleeding disorder cancer diabetes frequent heartburn or gastroesophageal reflux disease (GERD) heart disease, angina, high or low blood pressure, a history of heart attack, or other heart problems high cholesterol kidney disease liver disease sickle cell disease stomach or intestinal ulcer stroke eye or vision problems, including a rare inherited eye disease called retinitis pigmentosa an unusual or allergic reaction to sildenafil, other medicines, foods, dyes, or preservatives pregnant or trying to get pregnant breast-feeding

HOW TO USE THIS MEDICATION
This drug is taken by mouth as needed between four hours and one-half hour before sexual activity (about one hour before is most effective). Take only as directed, usually once daily as needed. Sildenafil works along with sexual stimulation to help achieve an erection.

WHAT IF I MISS A DOSE?
This does not apply.

SIDE EFFECTS
Headache, flushing, stomach upset, nasal stuffiness, diarrhea and dizziness might occur. If these effects persist or worsen, notify your doctor promptly.

PRECAUTIONS
Before using this drug, tell your doctor your medical history, including any allergies (especially drug allergies), any penis conditions such as fibrosis/scarring, history of painful/prolonged erection (priapism), sickle cell anemia, blood system cancers (such as leukemia or myeloma), or Peyronie's disease, eye problems (retina diseases). kidney or liver disease, bleeding disorders or active stomach ulcers, heart diseases, stroke or severe high or low blood pressure. Limit alcohol intake, as it may aggravate side effects of this drug. To avoid dizziness and lightheadedness when rising from a seated or lying position, get up slowly. The elderly may be more sensitive to the side effects of this drug, therefore caution is advised in this group.

WHAT INTERACTIONS CAN OCCUR WITH VIAGRA?
Do not take sildenafil if you are taking the following medications:
 

• nitroglycerin-type drugs for the heart or chest pain such as amyl nitrite, isosorbide dinitrate, isosorbide mononitrate, nitroglycerin, even if these are only taken occasionally
  
  Sildenafil may also interact with the following medications:
   

• bosentan
• certain drugs used for seizures such as carbamazepine, phenytoin, and phenobarbital

• certain drugs used for fungal or yeast infections, such as fluconazole, ketoconazole, and voriconazole

• cimetidine
• cisapride
• clarithromycin
• diltiazem
• erythromycin
• grapefruit juice
• mibefradil
• niacin
• certain medicines for the treatment of HIV infection or AIDS
• nitroprusside
• omeprazole
• rifabutin
• rifampin
• quinidine
• quinine
• some drugs for treating depression, anxiety or other mood problems (examples: fluoxetine, fluvoxamine, nefazodone)
• verapamil
  
  Tell your prescriber or health care professional about all other medicines you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your health care professional before stopping or starting any of your medicines.

   

  NOTES
  Do not share this medication with others, since they may have a problem that is not effectively treated by this drug. Use of Viagra does not protect against sexually transmitted diseases (e.g., HIV, Hepatitis B, gonorrhea).

  STORAGE
  Store at room temperature between 59 and 86 degrees F (15-30 degrees C) away from light and moisture. KEEP THIS AND ALL MEDICATIONS OUT OF THE REACH OF CHILDREN.

  For more information on Viagra, you can visit www.viagra.com