Hello! Welcome on HCM! Considering your previous heart issue (coronary artery disease and CABG) it is necessary to properly control any possible coronary risk factors like hypertension, diabetes of glucose metabolism disorders, dyslipidemia, close smoking contacts, etc. Your actual therapy seems OK, but it is more important to follow a healthy life-style and diet. Cialis doesn t significantly interfere with any of your current medications; nevertheless, you should be careful as it may lead to hypotension and cardiac ischemia. In addition, several ocular complications have been observed, like: - retinal vein and artery occlusion, -optic neuropathy and visual fiend defect, - hearing loss Coming to this point, you should discuss with your attending doctor on the possibility of using Cialis as a preliminary medical checkup (including ocular and hearing level investigations) are advisable. Hope you will find this answer helpful! Kind regards! Dr. Iliri