Cialis stays in your system for up to 36 hours and may provide support for erections during that entire time. Other conditions that may disqualify you from an ED prescription include a history of stroke, kidney or liver disease, cancer, diabetes, or a bleeding disorder. Our Lemonaid doctors or nurse practitioners can advise the right dose for you. Erectile dysfunction medications require a prescription from a licensed provider. In some cases, online ED providers accept health insurance.For the as-needed dose, plan to take Cialis at least 30 minutes before sexual activity, but bear in mind it may take as long as 2 hours to take effect. Also, Cialis requires sexual stimulation to. Learn more about Cialis oral. 1. This is a generic drug. The average cost for 30 Tablet(s), 5mg each of the generic (tadalafil) is $ You can buy tadalafil at the discounted price of $ by using the MDRx coupon, a savings of 93%. Even if this drug is covered by Medicare or your insurance, we recommend you compare prices. Try the generic Cialis option (Tadalafil) for the same ED treatment but at a fraction of the cost of Cialis. Suite , Dallas, TX Our team is based at Market Street, Suite , San Francisco CA , USA. You can call us on Lemonaid Health Inc provides a variety of administrative and management services to the.