· Cialis 20 mg Tablet is a medicine used for the treatment of erectile dysfunction (a condition that occurs when a man has difficulty in getting and/or keeping .Kidney caution Dose adjustment may be needed. Alcohol unsafe You are advised not to consume alcohol while taking Cialis 20 mg Tablet 1’s as it may cause increased dizziness. Benign prostatic hyperplasia BPH : Avoid foods like sugars, carbonated beverages, tea, citrus fruits, tomatoes, spicy foods, chocolate and tea. A: Cialis 20 mg tablet is indicated only for men. Avoid drinking excess alcohol or caffeinated drinks as they can worsen the symptoms.Cialis Now Available as Generic Tadalafil: Here’s What You Need to Know – GoodRx We have good news for you: generic Cialis, used to treat erectile dysfunction .  · Cialis 20 mg Tablet is a medicine used for the treatment of erectile dysfunction (a condition that occurs when a man has difficulty in getting and/or keeping .Thus its use in pregnant women is insignificant. You have any physical deformities of the genital organ penis. Do not take Cialis 20 mg Tablet 1’s more than once a day. You have kidney or liver problems Cialis 20 mg tablet should not be used in children below 18 years of age. Take glasses or liquids every day. Thus its use in breastfeeding women is insignificant.