Tadalafil also keeps pace with Cialis when it comes to how long you need to wait for it to kick in. The recommended dose for as-needed Cialis is 10 mg and may be adjusted up or down to a maximum of 20 mg. ED medications can cause side effects, and it’s crucial to have access to a medical provider if needed. They are all approved for treatment of erectile dysfunction. The FDA provides a rigorous inspection process to make sure companies selling these generic drugs undergo good manufacturing processes and that their drugs provide the same clinical benefits.Find Lowest Prices Cialis Coupons, Prices, and Savings Card Generic Names: Tadalafil Tadalafil is used to treat male sexual function problems (impotence or erectile . Cialis (tadalafil) is an expensive drug used to treat erection problems in men. It may also be used to treat the enlargement of the prostate gland. This drug is slightly more popular . There are many ways to save on Cialis, which is available as both a brand-name and generic medication. Save with GoodRx. GoodRx can help you save over 97% .