Conclusion Purchasing Cialis online offers numerous advantages, from convenience to cost-effectiveness. Insurance: If you plan to use insurance, make sure the online provider accepts it. Erectile dysfunction medications require a prescription from a licensed provider. If you do not meet the NHS criteria for tadalafil, you may get a private prescription from a doctor. If you are taking tadalafil to treat PAH or BPH, follow your doctor’s directions and the guidelines in this paragraph.Cialis Prices, Coupons and Patient Assistance Programs. Cialis is a member of the impotence agents drug class and is commonly used for Benign Prostatic Hyperplasia, . 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. Taking two 5-milligram (mg) tablets of Cialis is the same as taking one mg tablet. If your doctor prescribes 10 mg of Cialis, you can take two 5-mg tablets to reach this dose. However, it’s important that you only take the dosage of Cialis your doctor prescribes. If they haven’t prescribed 10 mg of Cialis, it’s best not to take two 5.