They both: Work in the proper situation and when used appropriately. Make sure you need such an rx before taking. Viagra (sildenafil) lasts about 6-8 hours, and Cialis can las up to 36. Neither is "better"; they both do what they're supposed to do. Talk w/your doctor.
Answered 2/15/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
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