Please expect up to 4 to 6 weeks for reimbursement. Also collected as part of the IIEF was information about other aspects of sexual function, including information on erectile function, orgasm, desire, satisfaction with intercourse, and overall sexual satisfaction. Talk to your doctor about eating grapefruit and drinking grapefruit juice while taking this medicine. Sildenafil comes as a tablet and suspension liquid to take by mouth. Precautions It is important that you tell all of your doctors that you take sildenafil. Your doctor will tell you not to take sildenafil if you are taking street drugs containing nitrates. Adults 65 years of age and older—25 mg as a single dose no more than once a day, 1 hour before sexual intercourse.According to price-comparison site test1.ru, generic Revatio will cost you as little as $ per pill, depending on where you fill your prescription. That’s compared with more than $50 per. Sildenafil oral tablet is available as a brand-name drug and as a generic drug. Brand names: Viagra, Revatio. Sildenafil comes in three forms: an oral tablet, an oral suspension (liquid), and an. Browse cities with Walmart Neighborhood Market Pharmacy in California. Find your city and its nearest Walmart Neighborhood Market Pharmacy and save with prescription savings .