It’s worth mentioning that not everyone will experience these side effects when using generic Viagra. While this may seem like the most comfortable option upfront, we always encourage you to prioritize your safety and wellbeing over convenience. Generic Viagra can be used by men of various ages who experience erectile dysfunction. Individuals with certain medical conditions or taking specific medications may need to avoid using this medication due to potential interactions or health risks. Maximum Daily Dose It is essential not to exceed the maximum daily dose of generic Viagra, which is mg within a hour period. These symptoms are usually mild and transient but can be bothersome for some people.Vardenafil, sold under the brand name Levitra among others, is a medication that is used for treating erectile dysfunction. It is a PDE5 inhibitor. It is taken by mouth. Medical use. Vardenafil’s indications and.  · In addition to Viagra, other ED drugs available in the United States include avanafil (Stendra), tadalafil (Cialis) and vardenafil (Levitra). These all improve blood supply to the penis. In combination with sexual stimulation, the drugs can produce an erection sufficient to initiate and complete intercourse. There is also a fast-dissolving form. All of the above formulations have been discontinued. Note: Fraudulent online pharmacies may attempt to sell an illegal generic version of Levitra. These .