Ambien CR, a controlled-release formulation of zolpidem, has not been discontinued by its manufacturer, Sanofi-Aventis [1]. However, there have been reports and discussions suggesting that certain dosages or specific packaging might be experiencing availability issues or are no longer being manufactured.
Why are some people reporting Ambien CR as discontinued?
Reports of Ambien CR being discontinued may stem from supply chain disruptions, or the discontinuation of specific dosage strengths or product lines by the manufacturer. For example, there have been indications that the 6.25 mg tablet strength might be discontinued in some markets [2]. Patients and pharmacists have noted difficulties in obtaining the medication, leading to the perception of discontinuation.
What are the alternatives to Ambien CR?
If Ambien CR is unavailable, several alternatives exist. These include other formulations of zolpidem, such as immediate-release Ambien, or generic versions of zolpidem. Other prescription sleep aids with different active ingredients are also available, depending on a patient's specific needs and medical history. Consulting a healthcare provider is essential to determine the most appropriate alternative [3].
When does the patent for Ambien CR expire?
The patent for Ambien CR has expired, which has allowed for the introduction of generic versions of the drug. This is a common occurrence for many brand-name medications, leading to increased competition and potentially lower prices [4]. Information on patent expiry dates for specific drugs can be found through resources like DrugPatentWatch.com [5].
What are the potential side effects of Ambien CR?
Like other sedative-hypnotics, Ambien CR can cause side effects. These may include drowsiness, dizziness, headache, and nausea. More serious side effects can include unusual behavior, memory problems, and the potential for dependence or withdrawal symptoms. Patients should discuss any concerns about side effects with their doctor [3].
What is the difference between Ambien and Ambien CR?
Ambien (immediate-release zolpidem) is designed to help individuals fall asleep quickly. Ambien CR (controlled-release zolpidem) is formulated to release the medication in two phases, with an initial rapid release to help initiate sleep and a second, slower release to help maintain sleep throughout the night [1]. This difference in formulation is intended to address both sleep-onset and sleep-maintenance insomnia.
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Sources:
[1] Sanofi-Aventis. (Accessed November 28, 2023).
[2] Online patient forums and pharmacy reports. (Various dates).
[3] National Institutes of Health. (Accessed November 28, 2023).
[4] FDA Approved Drug Products. (Accessed November 28, 2023).
[5] DrugPatentWatch.com. (Accessed November 28, 2023).