Still other online pharmacies specialize in medications for only a select few health concerns or conditions. Online pharmacies can be broadly categorized as: Mail-order pharmacies are operated by pharmacy benefits managers PBMs on behalf of health insurers or providers. Also, look into whether expediting is offered. Be sure the one you choose works in your state. Common side effects include headache, facial flushing, indigestion, and dizziness.ED medications at Roman are not covered by insurance, but there are lower cost generic versions of Viagra and Cialis available that can help save you money each month. . Viagra (, 50, 25 and 20mg) takes about 30min to have full effect but cannot be taken with food, as it can diminish the result. The 20mg dose can also be compounded at . There is generic Viagra now. They have 20mg and mg tablets. It’s usually $/bottle depending on your pharmacy. 2. ClandestineUs. • 5 yr. ago. Wow! What’s the name? 2.