Who should avoid taking Cialis? Do not use Cialis if you have a known allergy to any of the ingredients., Talk to your doctor before using Cialis to make sure your heart is healthy enough to use Cialis. What are the risks? Cialis can be dangerous for patients with cardiovascular conditions. Discuss your risk with your doctor if you have any of the following: High or low blood pressure Aortic stenosis Veno-occlusive disease Angina during sexual intercourse or unstable angina Uncontrolled arrhythmia Heart failure Heart attack within the last 90 days, High or low blood pressure, Aortic stenosis, Veno-occlusive disease, Angina during sexual intercourse or unstable angina, Uncontrolled arrhythmia, Heart failure, Heart attack within the last 90 days, If you have a bleeding disorder or active peptic ulcer, you could experience increased bleeding times while using Cialis., Cialis is not recommended for patients who have had a stroke within the last six months., Talk to your doctor if you have liver or kidney problems. They could adjust your dose as appropriate., Cialis can cause a sudden loss of vision or hearing., Cialis can cause persistent and painful erections. You could be at an increased risk if you have any of the following: Anatomical deformation of the penis (angulation, curvature, cavernosal fibrosis, or Peyronie disease) Sickle cell anemia Multiple myeloma Leukemia, Anatomical deformation of the penis (angulation, curvature, cavernosal fibrosis, or Peyronie disease), Sickle cell anemia, Multiple myeloma, Leukemia, If you experience an erection that lasts more than four hours, contact your doctor immediately. High or low blood pressure, Aortic stenosis, Veno-occlusive disease, Angina during sexual intercourse or unstable angina, Uncontrolled arrhythmia, Heart failure, Heart attack within the last 90 days Anatomical deformation of the penis (angulation, curvature, cavernosal fibrosis, or Peyronie disease), Sickle cell anemia, Multiple myeloma, Leukemia Cialis is contraindicated if you use any of the following medications Organic nitrates, Boceprevir, Telaprevir, Riociguat Talk to your doctor before taking Cialis if you use any of the following medications Telithromycin, Tamsulosin, Alfuzosin, Ritonavir, Prazosin, Indinavir, Cobicistat, Atazanavir, Trimazosin, Urapidil, Bunazosin, Terazosin, Moxisylyte, Darunavir, Fosamprenavir, Phentolamine, Simvastatin, Phosphodiesterase inhibitors, Lopinavir, Saquinavir, Phenoxybenzamine, Doxazosin, Rifampin, Carbamazepine, Phenobarbital, Phenytoin, Nelfinavir, Amprenavir, Nefazodone, Itraconazole, Simeprevir, Clarithromycin, Silodosin, Bosentan, Etravirine, Ketoconazole, Erythromycin
