Need to know because I have a presription for both.
What is the difference between zolpidem tartrate ER and zolpidem tartrate CR?
- Asked
- 10 Nov 2014 by jetravis
- Updated
- 10 November 2014
- Topics
- zolpidem
Responses (1)
There is no difference, the CR is an extended release form as is the ER (google can be your friend and indexed back to here amongst others)
One site put it like this Zolpidem ER (Ambien CR); both extended release.

Further Information
- Zolpidem Information for Consumers
- Zolpidem Information for Healthcare Professionals (includes dosage details)
- Side Effects of Zolpidem (detailed)
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