If you experience chest pain, dizziness, or nausea during sexual activity, call your doctor immediately and avoid sexual activity until your doctor tells you otherwise. Before taking sildenafil, tell your doctor and pharmacist if you are allergic to sildenafil, any other medications, or any of the ingredients in sildenafil tablet or suspension. Sildenafil treats PAH by relaxing the blood vessels in the lungs to allow blood to flow easily. The following nonprescription or herbal products may interact with sildenafil: cimetidine Tagamet HB , St. If it is not treated right away, priapism can permanently damage your penis sudden vision loss in one or both eyes. If you are taking sildenafil to treat erectile dysfunction, you should know that it does not cure erectile dysfunction or increase sexual desire.How much does sildenafil citrate or viagra cost near you? Find the best sildenafil citrate or viagra prices near you now with our cost comparison tool and start saving today. WALGREENS. AS LOW AS $ Use this coupon to get this price at any WALGREENS Pharmacy location. Expand to see all locations within your area. Get . In most males,* Viagra works within 1 hour after it’s taken. It’s possible that Viagra can begin working within 30 minutes of being taken. But other times, it may take up to 4 hours to start. Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Liqrev, Revatio) is used to improve the ability to exercise in adults (Liqrev, Revatio) and children 1 year of age and older (Revatio) with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the .
