Sildenafil does not prevent pregnancy or the spread of sexually transmitted diseases such as human immunodeficiency virus HIV. Instead of being used daily, Viagra should only be used as necessary. Place the tip of the syringe into you or your child’s mouth and point it towards the cheek. Most companies have an FAQ or shipping policy page you can reference to learn whether discreet packaging is available. Some platforms have a digital pharmacy that ships the medication to your home, while others send an electronic prescription to your local pharmacy. Talk to your doctor about eating grapefruit and drinking grapefruit juice while taking this medicine. Common side effects include headache, facial flushing, indigestion, and dizziness.The typical dose is to take 50 mg of sildenafil (Viagra) by mouth, about 1 hour before sex, as needed. The maximum recommended dose is mg. Don’t take sildenafil (Viagra) more than once daily (at any dose). A Florida man has been charged with several felonies and a misdemeanor after police say he threatened a CVS pharmacy, asking for “all bottles” of Viagra, Adderall and other drugs. SILDENAFIL – ORAL. (sil-DEN-a-fil) COMMON BRAND NAME (S): Viagra. USES: Sildenafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, sildenafil works by increasing blood flow to the penis to help a man get and keep an erection.