Your doctor will help you decide the best time for you to take tadalafil before sexual activity. Physicians should discuss with patients the potential for CIALIS to augment the blood-pressure-lowering effect of alpha-blockers and antihypertensive medications. Do not take more or less of it or take it more often than prescribed by your doctor. If you are taking tadalafil for erectile dysfunction on a regular schedule, take the missed dose as soon as you remember it. 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. Tell your healthcare provider that you take Cialis. If you are taking tadalafil on a regular schedule, take it at around the same time every day.It is necessary to collect nettles in ecologically clean places, as far as possible from roads. Cialis 20mg in its generic form is used for the treatment of ED. Get ready to find the best prices for different doses, including 5mg. Fast shipping. AdSave on 50, Brand Name & Generic Drugs With SingleCare®. Get Your Free Rx Coupon Now! Find the Lowest Price for Your Prescription Meds and Save at Your Local Pharmacy Today!Save up to 80% · Text, email, or print · No signup · Search prescriptionsTypes: CVS Pharmacy, Walmart Pharmacy, Walgreens Pharmacy. Tadalafil is a medicine used to treat erectile dysfunction (ED, also called impotence) and problems with urination caused by an enlarged prostate (benign prostatic hypertrophy or BPH). It is sometimes known by its generic name tadalafil, and sometimes known by its trade name, Cialis. There are also other brands of this medicine available.