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Dr. Mo
Dr. Mo, Board Certified MD
Category: Urology
Satisfied Customers: 384
Experience:  Urgent Care Physician
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How after taking viagra can I take cialis and vice versa?

Customer Question

How long after taking viagra can I take cialis and vice versa?
JA: Have you seen a doctor about this yet? What medications are you taking?
Customer: Yes. Other medications?
JA: Anything else in your medical history you think the doctor should know?
Customer: Prostate cancer treated by radioactive seeds in 2003
JA: Is the condition chronic, or acute?
Customer: I have ED all the time.
Submitted: 2 months ago.
Category: Urology
Expert:  Dr. Mo replied 2 months ago.

Hi Dr. Ashori here.

You can take them immediately 1 day apart.

You could take them together but you would feel very flushed or lightheaded. Not dangerous but not recommended.