The most common side effects are headaches, feeling sick, indigestion and facial flushes. Check the healthdirect’s medicines section for more information about tadalafil. Communicate with your partner and interact with them after you take Cialis to help the medication work. Consume Cialis orally with water. It can be dangerous to take tadalafil if you also take medicines called nitrates often prescribed for chest pain. It affects the way the medicine works.Experts say the rise of the medication black market shows how high prescription costs are hurting patients. When you think of people selling and buying prescription medications on .  · Created: Expires: Owner: Redacted for privacy Hosting company: Canhui Chen: Registrar: test1.ru PTE. LTD. IPs: CIALIS for once daily use is a lower dose you take every day. • Do not take CIALIS more than one time each day. • Take one CIALIS tablet every day at about the same time of day. You may attempt sexual activity at any time between doses. • If you miss a dose, you may take it when you remember but do not take more than one dose per day.