WebJan 4, · Cialis (tadalafil) is prescribed to treat erectile dysfunction and symptoms of benign prostatic hyperplasia. It comes as a tablet that’s taken as needed or once per .B No evidence of risk in humans Based on FDA pregnancy categories Do not start or stop taking tadalafil during pregnancy without your doctor’s advice. Do not change your tadalafil dose or stop taking this medicine without your doctor’s advice. What special dietary instructions should I follow? If you drink a large amount of alcohol more than five glasses of wine or five shots of whiskey while you are taking tadalafil you are more likely to experience certain side effects of tadalafil such as dizziness, headache, fast heartbeat, and low blood pressure. Tell your doctor if any of these symptoms are severe or do not go away: headache.WebJul 28, · Dosage for ED. • as needed dosage: 10 mg at least 30 minutes before sexual activity, with a maximum of one dose per day †. • daily dosage: mg once daily. • as . WebJan 4, · Cialis (tadalafil) is prescribed to treat erectile dysfunction and symptoms of benign prostatic hyperplasia. It comes as a tablet that’s taken as needed or once per . WebTadalafil (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 .What should I do if I missed a dose of Cialis Tadalafil? If you are taking tadalafil on a regular schedule, take it at around the same time every day. Ask your pharmacist or doctor for a copy of the manufacturer’s information for the patient. If you have certain health conditions or are taking certain medications, your doctor may tell you to take tadalafil less often or may prescribe a lower dose to be taken once a day. If you think you or someone else may have overdosed on: Cialis Tadalafil , call your doctor or the Poison Control center. Swallow it whole. Tadalafil may cause side effects.