Before using Tadalafil 20mg tell your doctor your medical history and inform him/her what medications you take including prescription, over-the-counter, and vitamin and herbal supplements. Follow your doctor’s instruction for using Cialis. So Do not take more than is prescribed by your doctor. And if you accidently take an overdose of Tadalafil, get immediate medical attention. Do not stop, start or change the dosage of your medications without consulting with your doctor. Cialis 20mg is a prescription medication to be use by men 18 years of age and older. Because It is not intended for use by women, children, and teenage males under 18 years of age.

If you take any medications that contain nitrates do not use Tadalafil 20mg. If you take alpha blockers or other medications for erectile dysfunction, do not use It. Seek immediate medical attention if you experience priapism – a serious medical condition in which an erect pe**is does not return to its flaccid state. A prolonged erection can cause permanent damage to the pe**is.