Because patients with recent heart attacks or stroke, heart pains angina , heart failure, uncontrolled blood pressure or uncontrolled irregular heart beats, severe liver disease, and retinal eye problems were not studied with Cialis, Cialis is not recommended for these patients. Cialis is not recommended for people taking any form of nitroglycerin because the combination may lower blood pressure to an unsafe level. Also tell your doctor if you or any of your family members have or have ever had an eye disease such as retinitis pigmentosa an inherited eye condition that causes loss of vision or if you have ever had sudden severe vision loss, especially if you were told that the vision loss was caused by a blockage of blood flow to the nerves that help you see. What should I talk to my doctor about when considering if Cialis is right for me? Tell your healthcare provider that you take Cialis. Take tadalafil at around the same time every day. Take tadalafil exactly as directed.Tadalafil is a generic drug that is widely known under the brand name Cialis. The estimated retail price of Tadalafil is $1, for 30, 20MG Tablet. When you use a free SingleCare Tadalafil coupon, you may be able to save significantly and lower your Tadalafil prescription cost to $ for 30, 20mg Tablet. Unlock members-only prices. What if the pharmacy won’t accept the discount card? The price displayed on the ScriptSave WellRx site is contracted with the pharmacy. Please contact () and our customer care specialists will help to resolve . headache. indigestion. back pain. muscle pain. flushing. stuffy nose. Patients who get back pain and muscle aches usually get them 12 to 24 hours after taking Cialis and these usually go away by.