Oral medicine for ED also might not be safe or work well if you have: Very low blood pressure, called hypotension, or uncontrolled high blood pressure, called hypertension. It works for up to 36 hours. Some people may also have ringing in their ears tinnitus or dizziness. Sildenafil is in a class of medications called phosphodiesterase PDE inhibitors. Use the oral syringe provided with your medication to measure and take your dose. In some patients, the use of VIAGRA with alpha-blockers can lead to a drop in blood pressure or to fainting medicines called HIV protease inhibitors, such as ritonavir Norvir , indinavir sulfate Crixivan , saquinavir Fortovase or Invirase , or atazanavir sulfate Reyataz some types of oral antifungal medicines, such as ketoconazole Nizoral and itraconazole Sporanox some types of antibiotics, such as clarithromycin Biaxin , telithromycin Ketek , or erythromycin other medicines that treat high blood pressure other medicines or treatments for ED VIAGRA contains sildenafil, which is the same medicine found in another drug called REVATIO.In general, a lower dose (5mg) that’s meant for daily use can cost around $20 to $32 per dose, and a higher dose (10mg and 20mg) meant for “as-needed” use can cost around $80 – $85 per dose. Generic sildenafil is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower. Get sildenafil for as low as $, which is 95% . Product (s) Viagra mg Tablets 4 (Repat Authority Script) – Sildenafil. Private Prescription Price. $ Discounted PBS Price. -. Concession PBS Price. $ Safety Net Price.
