The following are the major possible risks and side effects of Cialis therapy. This list is not complete.
Cialis can cause your blood pressure to drop suddenly to an unsafe level if it is taken with certain other medicines such as nitrates and alpha-blockers, and recreational drugs that contain nitrates called “poppers.” A sudden drop in your blood pressure could cause you to become dizzy, faint, or have a heart attack or stroke.
Tell all your healthcare professionals that you take Cialis. If you need emergency medical care for a heart problem, it will be important for your healthcare professionals to know when you last took Cialis.
Cialis may uncommonly cause:
an erection that won’t go away (priapism)
vision changes, such as seeing a blue tinge to objects or having difficulty telling the difference between the colors blue and green
Some common side effects with Cialis include:
-headache
-indigestion
-back pain
-muscle aches
-flushing
-stuffy or runny nose