If you do not meet the NHS criteria for tadalafil, you may get a private prescription from a doctor. Always discuss with your health care practitioner ALL of the medications you are taking prescription and over-the-counter that way, you can receive the best advice for your own situation. Ask your pharmacist for a list of the ingredients. If you need emergency medical care for a heart problem, it will be important for your health care provider to know when you last took Cialis. Tadalafil treats PAH by relaxing the blood vessels in the lungs to allow blood to flow more easily. Cialis works by relaxing the arteries and smooth muscles to increase circulation levels as the body prepares to have sex.Tadalafil (Cialis) is used to treat erectile dysfunction (ED, impotence; inability to get or keep an erection), and the symptoms of benign prostatic hyperplasia (BPH; an enlarged prostate) which include difficulty urinating (hesitation, dribbling, weak stream, and incomplete bladder emptying), painful urination, and urinary frequency and urgency in adult men. Cialis (tadalafil) is a prescription tablet used for erectile dysfunction and benign prostate hyperplasia. Learn about alternatives, dosage, side effects, and more. It’s important to safely dispose of Cialis if you no longer need to take it and have unused medication. Doing so helps prevent others, including children and pets, from. AdComplete the Online Consultation with our Doctor. Personalize Your Needs. If Appropriate, Get a Prescription for ED from RexMD®. Free Shipping Available10K+ visitors in the past month.