WebSep 1, · Tadalafil (Oral Route) Description and Brand Names Drug information provided by: Merative, Micromedex ® US Brand Name Adcirca Cialis Descriptions Tadalafil is used to treat men who have erectile dysfunction (also called sexual impotence). .One advantage Cialis has over Viagra and Levitra is its Cialis As Needed will be prescribed in doses of 5 to 20 mg. How do you choose which one is better for you? For some, one can be more effective than the other. This will increase the supply of blood to the lungs and reduce the workload of the heart. Tadalafil works on the PDE5 enzyme in the lungs to relax the blood vessels.WebFeb 19, · By Sarah Lewis, PharmD. A: The Cialis dosage for ED (erectile dysfunction) can be once daily every day or only as needed. Cialis will reach peak concentrations in . WebJan 4, · Cialis (tadalafil) is prescribed to treat erectile dysfunction and symptoms of benign prostatic hyperplasia. It comes as a tablet that’s taken as needed or once per . WebSep 1, · Tadalafil (Oral Route) Description and Brand Names Drug information provided by: Merative, Micromedex ® US Brand Name Adcirca Cialis Descriptions Tadalafil is used to treat men who have erectile dysfunction (also called sexual impotence). .Furthermore, the longer half-life is the basis for tadalafil’s daily therapeutic use in treating pulmonary arterial hypertension. Without physical action to the penis, such as that occurring during sexual intercourse, tadalafil will not work to cause an erection. In trials of the drug, individuals taking Cialis saw a significant reduction in the frequency and urgency of urination and improved urine flow. Taking more than 1 dose every 24 hours can cause heart issues and other problems. If you are intending to take either of these drugs for ED treatment, talk to an online clinician.