Tadalafil has been extensively studied for ED. Interestingly, Cialis has been more linked to improved self-esteem and other psychological factors than the other PDE5 medications. Nitrates come as tablets, sublingual under the tongue tablets, sprays, patches, pastes, and ointments. Tadalafil is sometimes taken as needed, usually at least 30 minutes before sexual activity and not more often than once every 24 hours. This leads to shortness of breath when exercising or completing regular daily activities.Brand/Generic (GENERIC) TADALAFIL (GENERIC) TADALAFIL (BRAND) ADCIRCA; Form Tablet. Tablet; Dosage 20 MG. 20 MG; 5 MG; 10 MG; MG; Quantity 10 tablets. . Post-Donut Hole. Copay Range. $1 – $ After your deductible has been satisfied, you will enter the Post-Deductible (also called Initial Coverage) stage, where you pay your copay and your plan covers the rest of the drug cost. Want an exact price for your co-pay? Typical dose: The typical starting dose is one 50 mg tablet. If you’re getting side effects, it can be cut down to 25 mg. If it’s not fully working, it can be increased to mg. Cialis (tadalafil) Cialis stands out by lasting longer than any of the other ED medications. It can also be taken on a daily basis.