In our latest question and answer, our pharmacist compares the brand Viagra to the generic sildenafil. Patients should always ask their doctors for medical advice about adverse events. Especially tell your healthcare provider if you take any of the following: medicines called nitrates medicines called guanylate cyclase stimulators such as Adempas riociguat medicines called alpha-blockers, such as Hytrin terazosin HCl , Flomax tamsulosin HCl , Cardura doxazosin mesylate , Minipress prazosin HCl , Uroxatral alfuzosin HCl , Jalyn dutasteride and tamsulosin HCl , or Rapaflo silodosin. Perhaps most striking is that the generic will not have the signature blue color. Although exact pricing isn’t available, it is expected that the generic will be roughly half the price for patients paying out of pocket. The announcement from Teva can be seen here. Lastly, although sildenafil is considered interchangeable with brand Viagra, they do have slightly different inactive ingredients.whether Viagra has a savings program (see the “Financial and insurance assistance” section below) To find out what the average cost of Viagra tablets will be for . With the VIAGRA Savings Card, eligible patients may save 50% on up to 12 prescriptions of brand-name VIAGRA per year.*. *Eligible patients could save up to $4, a year. . GoodRx can help you save over 95% off the average retail price at certain pharmacies. A manufacturer copay card is available for the brand-name product. Find .