Please expect up to 4 to 6 weeks for reimbursement. A newer form of the medicine that dissolves on the tongue might work faster than the pill that you swallow. You can take this medicine with or without food 30 minutes before sex, depending on the dose. Do not take more or less of it or take it more often than prescribed by your doctor. Patients should always ask their doctors for medical advice about adverse events. Side effects Side effects of oral ED medicines are often mild.AdBrowse & discover thousands of brands. Read customer reviews & find best sellers. Free shipping on qualified orders. Free, easy returns on millions of has been visited by 1M+ users in the past monthPopular Links: Pharmacy · Media · Accessibility · Security. The four main medicines taken by mouth for erectile dysfunction are: Avanafil (Stendra). Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes muscles in the penis, called nitric oxide. Help enhance your sex life with top brand sex pills & supplements for men and women! Enjoy FREE shipping on qualifying orders!