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In another ED study, people took either Cialis as needed or Viagra 25 mg as needed for 4 weeks. They then switched to the other medication for an additional 4 weeks. The use of Cialis and Viagra 200 mg in treating ED has been directly compared in clinical studies. You may wonder how Cialis compares with other medications that are prescribed for similar uses.

Most men with erectile dysfunction are in reasonable health, although it may be a sign of poor circulation and narrowing of the arteries. Generic medicines&nbsp