That said, some men have reported the effects kicking in after just 15 minutes! Medigap does not cover prescription drugs; therefore, it does not cover Cialis What a Medigap plan can do is cover your out of pocket costs for the pump mentioned above. So, exactly when should you take Cialis, and how long does it take for the Tadalafil to kick in? That being said, the coverage is often rare, and when it does cover it, you pay a high percentage. Sildenafil , to work. While brand-named Cialis is sometimes covered, Viagra is almost always not covered. Some epilepsy and anti-seizure meds can be problematic as well, so our Manual clinicians are here to help if you have any questions.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% . Use this coupon to get this price at any WALMART PHARMACY location. Expand to see all locations within your area. Brand names for tadalafil include Cialis. The cost for tadalafil oral tablet 5 mg is around $27 for a supply of 90 tablets, depending on the pharmacy you visit. Quoted prices are .