You should also call your insurance company to see if they cover erectile dysfunction medications. Never purchase ED medications from a site or service that doesn’t require a prescription and medical documentation. Cialis tadalafil : This ED medication works with the same principle as Viagra, but lasts up to 36 hours. Common side effects include headache, facial flushing, indigestion, and dizziness. ED medications can cause side effects, and it’s crucial to have access to a medical provider if needed. Generic vs. This information is reviewed by a licensed practitioner who will assess your eligibility for the medication.Depending on your symptoms and needs, you may be prescribed Viagra, sildenafil, Cialis, tadalafil, Stendra, paroxetine, or a combination of tadalafil and sildenafil, available as mints or pills. Prices range from $3 to $ per dose or $82 to $ for a monthly supply, depending on the medication. 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 than comparable drugs. It is available in both brand and generic versions. Cialis is not covered by most Medicare and insurance plans, but manufacturer and. Cialis Daily. Typical cost per pill. $2/pill with our mail order partner. Prices at Walgreens/CVS can be $18/pill. $ $ $ Lemonaid Mail Order. Yes – FREE delivery.