Box , Mission, KS If your pharmacy does not participate, you may be able to submit a request for a rebate in connection with this Savings Offer. How oral medicines differ Each oral medicine for ED has a slightly different chemical makeup. Ask your doctor if you have any questions. If you have an erection that lasts more than 4 hours, get medical help right away. Summarize the role of the interprofessional healthcare team in improving care coordination and communication to improve outcomes related to sildenafil therapy. In case of overdose, patients should receive supportive care. If you see air bubbles in the syringe, repeat the steps.Want to see these pharmacies on a map and filter by available services? How much does sildenafil citrate or revatio cost near you? Find the best sildenafil citrate or revatio . In the treatment of PAH, sildenafil is available in tablets 20 mg, oral suspension 10 mg/mL, and injectable 10 mg/ mL forms. The recommended dosage for tablet and oral suspension formularies is 5 mg or 20 mg three times daily, 4 to 6 hours apart. Injections are dosed at mg or 10 mg three times a day, 4 to 6 hours apart, as . Products and services Erectile dysfunction: Viagra and other oral medications By Mayo Clinic Staff Medicines that you take by mouth are called oral medicines. They’re .