Before considering daily Cialis use, its essential to consult with a healthcare provider. Buying Cialis online and using can increase the risk of side effects, especially if the dosage is too high. Side effects such as headaches, flushing, or dizziness may be more likely with daily use. Men with certain health conditions, such as heart issues or liver and kidney impairments, may need extra caution when considering daily dosing due to how Cialis is metabolized in the body.