Keep out of the reach of children. Both medications are generic now and can be found at discounted rates, making them more accessible to the public than ever before. The following information includes only the average doses of this medicine. 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. If you need emergency medical care for a heart problem, it is important that your doctor knows when you last took sildenafil.The dose of Cialis you need will depend on whether you’re taking it daily or as needed. Daily doses are often between and 5 milligrams (mg). The as-needed dose is usually 10 mg but can range from 5–20 mg. The typicaldose of Viagra is 50 mg. However, the dosage can range from 25– mg. When samples of milligram Viagra tablets purchased online were tested, only 10% were even close to the advertised strength. When you buy from an unknown company, you run the risk of getting. Generic Viagra (sildenafil) is available as a , , , and milligram (mg) pill and in liquid form. It’s meant to be taken as needed — about an hour before sex — but shouldn’t be.