Quick answer: Cialis (tadalafil) comes in four strengths: 2.5 mg, 5 mg, 10 mg, and 20 mg. For use as needed, the usual starting dose for erectile dysfunction is 10
Quick answer: The most common Cialis (tadalafil) side effects are headache, indigestion, back pain, muscle aches, stuffy nose, and flushing. They are usually mild and fade within a day or
