Medical consultations were also taken into consideration, as PDE5 inhibitors require a valid prescription from a licensed medical provider. Before taking tadalafil, tell your doctor and pharmacist if you are allergic to tadalafil, any other medications, or any of the ingredients in tadalafil tablets. Insurance: If you plan to use insurance, make sure the online provider accepts it. Refills: See if you can set up automatic refills or order as needed. It depends on the platform and insurance provider.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. AdGet Deals and Low Prices On pharmacy prescriptions At Amazon. We Offer an Extensive Selection Of Everything Else Store At Amazon. Order Today!Services: Pet Supplies, Pharmacy, Medical Care, Anxiety, Hypothyroidism and more. The recommended starting dose for Cialis intended for once daily use is mg, take at the same time each day, without regard to timing of sexual activity. This may be increased to 5mg/day based on need and tolerability. May be taken with or without food. Cialis is available as a generic, under the name tadalafil. 3.