Men with BPH usually have difficulty urinating, a decreased flow of urination, hesitation at the beginning of urination, and a need to get up at night to urinate. Tadalafil is sometimes taken as needed, usually at least 30 minutes before sexual activity and not more often than once every 24 hours. Take all of the tablets for your daily dose at one time each day; do not divide the tablets to take as separate doses. For treatment of erectile dysfunction daily use : Adults—2. Our Lemonaid doctors or nurse practitioners can advise the right dose for you. · Adcirca Cialis Descriptions Tadalafil is used to treat men who have erectile dysfunction (also called sexual impotence). Tadalafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors. These medicines prevent an enzyme called phosphodiesterase type-5 from working too quickly. Tadalafil is a prescription drug. It comes as an oral tablet. Tadalafil oral tablet is available as the brand-name drugs Cialis and test1.ru’s also available in a generic form. Generic tadalafil has similar side effects to brand-name Cialis. According to our friends at Iodine, most men tend to experience flushing, headache, stomach pain, back pain and the common cold when they take Cialis. However, it is a known fact that Cialis causes less flushing, or redness in the face, than Viagra.