Teva’s version of sildenafil debuted at an average cash price of around $30 per pill, roughly 50% cheaper than brand-name Viagra. Since then, more manufacturers have brought .Some people may also have ringing in their ears tinnitus or dizziness. Sildenafil usually should not be taken more than once every 24 hours. The most common side effects of VIAGRA: headache; flushing; upset stomach; abnormal vision, such as changes in color vision such as having a blue color tinge and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash. Tell your doctor if any of these symptoms are severe or do not go away: headache. These include itraconazole Sporanox, Tolsura , ketoconazole Extina, Ketozole, others and ritonavir Norvir. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.The Savings Offer and Program expire on 12/31/ For further information, call , visit , or write: Viatris Inc., P.O. Box , Mission, KS See risks & benefits. Learn more about what VIAGRA® (sildenafil citrate), a prescription treatment for ED. Viagra (sildenafil) is a brand-name oral tablet prescribed for erectile dysfunction. The cost of the drug with and without insurance can depend on several factors, such as whether . Brand names for sildenafil include Viagra, Revatio, and Liqrev. The cost for sildenafil oral tablet mg is around $10 for a supply of 2 tablets, depending on the pharmacy you .Brand names Why is this medication prescribed? They include dutasteride Avodart, Jalyn and finasteride Propecia, Proscar. Your doctor will tell you not to take sildenafil if you are taking street drugs containing nitrates. If you have certain health conditions or are taking certain medications, your doctor may tell you to take sildenafil less often. Avanafil Stendra. This increased blood flow can cause an erection. These medicines all work well for ED.