2 days ago · Viagra is available in mg, mg, and mg doses and can be purchased in day and day supplies. Shipping is free, and your new medication can .Rarely reported side effects include: an erection that will not go away priapism. What special dietary instructions should I follow? Before taking sildenafil, tell your doctor and pharmacist if you are allergic to sildenafil, any other medications, or any of the ingredients in sildenafil tablet or suspension. Your doctor may need to change the doses of your medications or monitor you carefully for side effects. Dosage of Viagra 50 MG Overdose Symptoms of an overdose of Viagra 50mg tablets are headache, dizziness, indigestion, flushing, and stuffy nose.Cart. Transfer your prescription for Sildenafil (Generic for Viagra, Oral Tablet) on Amazon Pharmacy. FREE SHIPPING for Prime members. 2 days ago · Viagra is available in mg, mg, and mg doses and can be purchased in day and day supplies. Shipping is free, and your new medication can . Find the best sildenafil citrate or viagra prices near you now with our cost comparison tool and start saving today. 50 MG; 25 MG; Quantity 30 tablets. 30 tablets; 10 tablets; 6 tablets; 20 tablets; 12 tablets; Custom Qty MG | Tablet | 30 tablets. Price Drop Below* At any Pharmacy near Also tell your doctor if you have or have ever had pulmonary veno-occlusive disease PVOD; blockage of veins in the lungs ; a stomach ulcer; heart, kidney, or liver disease; a heart attack; heart failure; angina chest pain ; an irregular heartbeat; a stroke; chest pain; high or low blood pressure; high cholesterol; a bleeding disorder; blood circulation problems; blood cell problems such as sickle cell anemia a disease of the red blood cells , multiple myeloma cancer of the plasma cells , or leukemia cancer of the white blood cells ; conditions affecting the shape of the penis e. Sildenafil is in a class of medications called phosphodiesterase PDE inhibitors. Take sildenafil as needed before sexual activity. Sildenafil does not prevent pregnancy or the spread of sexually transmitted diseases such as human immunodeficiency virus HIV. Some people may also have ringing in their ears tinnitus or dizziness.