Do not take a double dose to make up for a missed one. You should take tadalafil one time a day. Having pulmonary arterial hypertension PAH during pregnancy may cause heart failure, stroke, or other medical problems in both mother and baby. 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. If you ever need emergency medical treatment for a heart problem, the health care providers who treat you will need to know when you last took tadalafil. This medicine is available only with your doctor’s prescription. You’ll soon start receiving the latest Mayo Clinic health information you requested in your inbox. · Cialis comes as a tablet that you swallow. It’s available in four strengths: milligrams (mg), 5 mg, 10 mg, 20 mg. Depending on your situation and what condition Cialis is.  · 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. The penis is one of the areas where .  · Find everything you need to know about Cialis (Tadalafil), including what it is used for, warnings, reviews, side effects, and interactions. Learn more about Cialis (Tadalafil) at test1.ru