To provide you with the most relevant and helpful information, and understand which information is beneficial, we may combine your email and site usage information with other information we have about you. Tadalafil is also used to treat men who have signs and symptoms of benign prostatic hyperplasia BPH. It may be taken with or without food. Likewise, if you experience side effects, we may recommend that you try a lower dose of Tadalafil. Ask your doctor if you are not sure whether any of your medications contain nitrates. Tadalafil is also sometimes taken once a day every day without regard to timing of sexual activity. This medicine is available only with your doctor’s prescription.Tadalafil is a generic medication for ED, and a person can expect to pay in the region of $ each month for this drug. The brand-name version of tadalafil is Cialis, which can sometimes cost. Drug details Here are some details about Cialis: Drug form: oral tablet Generic version: tadalafil Read on to learn about Cialis and cost, as well as how to . Optum Store offers several ED medications with free and discreet shipping. The company sells generic tadalafil in 5, 10, and 20 mg doses. People can choose from a 30, 90, or day supply, with.