The medication should be taken once daily at about the same time every day to maintain a consistent level of medicine in the body. Click here for an email preview. Brand-name versions of the drug approved for PAH include Adcirca. Tell your doctor if any of these symptoms are severe or do not go away: headache. In trials of the drug, individuals taking Cialis saw a significant reduction in the frequency and urgency of urination and improved urine flow. The penis is one of the areas where this enzyme works. BPH occurs when the prostate and the surrounding tissues become enlarged.Tadalafil oral tablet is available as the brand-name drugs Cialis and Adcirca. It’s also available in a generic form. Strengths: mg, 5 mg, 10 mg, and 20 mg; Brand: Cialis. Form: oral.  · Cialis tablets come in four strengths: milligrams (mg), 5 mg, 10 mg, and 20 mg. What are the typical dosages of Cialis? Typically, your doctor will start you on a . Cialis comes as oral tablets that are available in four strengths: milligrams (mg), 5 mg, 10 mg, and 20 mg. Recommended dosage for Cialis Typically, .