Ambien is a Sanofi-Aventis manufactured sleeping pill that is meant for treating insomnia in people and Ambien CR is the extended release form of Ambien. Ambien CR is also FDA approved and is a product of the same company Sanofi-Aventis but there are specific tidbits related to Ambien as well as Ambien CR that distinguish one from another.
The specific differences between Ambien and Ambien CR are:
- Ambien® has gained initial US approval from the FDA (Food and Drugs Administration) in 1992 as an effective prescription-based medicine for the treatment of insomnia while on the other hand Ambien CR has been approved by the FDA much later and is made available in the US in October 2005 for treating insomnia.
- Ambien® is a single layered tablet while Ambien CR is made up of two layers. The first Ambien CR layer dissolves instantly to cause sleep while the second layer is released gradually as well as quickly in the body and helps you to stay asleep.
- There are several generic versions of Ambien® but there is no generic form of Ambien CR.
- Ambien® is used for the short term treatment of insomnia only while Ambien CR has been approved by the FDA for being used by people suffering from insomnia for a comparatively long period also if recommended by the doctor.
- Ambien CR is different from Ambien® as well as other prescription-based sleep medications and it is particularly known for helping an insomnia afflicted individual to fall asleep and also to stay asleep.