Before You Start Viagra

Tell your doctor if you have or ever had:

• Heart attack, abnormal heartbeats, or s roke

• Heart problems, such as heart failure, chest pain, or aortic valve narrowing

• Low or high blood pressure

• Severe vision loss

• An eye condition called retinitis pigmentosa

• Kidney or liver problems

• Blood problems, such as sickle cell anemia or leukemia

• A deformed penis. Peyronie's disease, or an erection that lasted more than 4 hours

• Stomach jlcers or any kind of bleeding problems

Tell your doctor about all your medicines. Include over-the-counter medicines, vitamins, and herbal products Tell your doctor il you take or use:

• Medicines called alpha-blockcrs to irea high blood pressure or prostate problems. Your blood pressure could suddenly get too low. You could get dizzy or faint. Your doctor may start you on a lower dose of VIAGRA.'

• Medicines called protease inhibitors for HIV. Your doctor may prescribe a 25 mg dose. Your doctor may limit VIAGRA to 25 mg in a 48-hour period.

• Other methods to cause erections These include pills, injections, implants,or pumps

• A medicine called RE VAT 10. VIAGRA should not be used with RHVATIO as RRVATIO contains sildenafil, the same medicine found in VIAGRA.

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