Children younger than 1 year of age—Use and dose must be determined by your doctor. Use protective measures and ask your doctor if you have any questions about this. Children 1 year of age and older weighing 45 kilograms kg or more—20 mg 3 times a day. Taking sildenafil alone will not cause an erection. Other contraindications include hypersensitivity to any component of the formulation, pulmonary veno-occlusion, left ventricular outflow obstruction, PAH associated with sickle cell anemia, and multiple system atrophy.Refill and transfer prescriptions online or find a CVS Pharmacy near you. Shop online, see ExtraCare deals, find MinuteClinic locations and more. Download Email 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 .  · Just three easy steps to transfer your prescriptions to CVS. Transfer your Rx. *FOR WE CAN HELP YOU SAVE ON PRESCRIPTIONS CLAIM: Savings may vary. Not all patients are eligible for savings. Ask pharmacist for details. *FOR DETAILS ON 85% OF CVS PRESCRIPTIONS ARE BELOW $10 CLAIM: $10 reflects consumer out-of-pocket .