Tadalafil may cause side effects. This increased blood flow can cause an erection. If you are taking tadalafil to treat erectile dysfunction, follow your doctor’s directions and the guidelines in this paragraph. 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. Also tell them about any supplements you take. However, safety should always be the top priority. Ensure that the product description mentions this.About tadalafil Brand names: Cialis, Adcirca. About tadalafil. Tadalafil is a medicine used to treat erection problems (erectile dysfunction) and symptoms of an enlarged prostate (benign prostate enlargement). It’s also sometimes used to treat pulmonary hypertension (high blood pressure in the blood vessels that supply the lungs). Popular Prescription Medication. CIALIS VIAGRA. Toll Free Phone: Toll Free Fax: 24 hours / 7 days a week. See what customers have to say about our products and services. Canadian Pharmacy Prices. Estring. 2mg. Starting from $ View Product. Flovent Inhaler. 50mcg. Starting from $ View Product. . Last updated on Uses. Warnings. Before taking. Dosage. Side effects. Interactions. FAQ. What is Cialis? Cialis relaxes muscles of the blood vessels and increases blood flow to particular areas of the body. Cialis is used to treat erectile dysfunction (impotence) and symptoms of benign prostatic hypertrophy (enlarged prostate).