Daily doses are often between 2. If you are taking sildenafil to treat erectile dysfunction, follow your doctor’s directions and the guidelines in this paragraph. The primary endpoint was time to limiting angina in the evaluable cohort. Key facts It usually takes 30 to 60 minutes for sildenafil to work for erectile dysfunction. Place the tip of the syringe into you or your child’s mouth and point it towards the cheek.A wide range of Pharmacy with different prices and styles to meet all demands in Kuwait City and Al Jahraa online in Kuwait City and whole Kuwait. Compare Pharmacy . The Savings Offer and Program expire on 12/31/ For further information, call , visit , or write: Viatris Inc., P.O. Box , Mission, KS Eligible patients may save on their VIAGRA® (sildenafil citrate) prescription with the VIAGRA savings card. Typical dosing for Sildenafil (Viagra) The typical dose is to take 50 mg of sildenafil (Viagra) by mouth, about 1 hour before sex, as needed. The maximum recommended dose is mg. Don’t take sildenafil (Viagra) more than once daily (at any dose). Written by Brian Leonard, PharmD, BCACP, BCGP.