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Neither Viagra or Cialis will cause an erection on their own. The Food and Drug Administration (FDA) regulates pharmaceuticals that contain an active pharmaceutical ingredient. Various underlying physical and mental conditions can contribute to erectile dysfunction.

There are a few side effects that may experienced with tadalafil. Talk to your doctor, nurse, or pharmacist if you have concerns about these side effects. Do not take a higher dose of tadalafil than your provider orders for you.

Take all of the tablets for your daily dose at one time each day