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Is Ozempic brain fog real?
Jul 8, 2025
Is Ozempic Brain Fog Real? Quenching Your Appetite for Ozempic Answers
Glucagon-like peptide-1 receptor agonists (GLP-1s) like Ozempic (semaglutide) and Wegovy (semaglutide) have gained popularity for their effectiveness in supporting blood sugar control in those with diabetes and weight loss in those with obesity.
With more people using weight loss drugs with the active ingredient semaglutide, there are more conversations about individual experiences. For instance, more people are comparing notes about side effects like brain fog.
Does using Ozempic cause brain fog? It depends on who you ask. This article takes a closer look at what’s going on with Ozempic users reporting brain fog, including how the medication works in the brain and what the drug packaging says about side effects.
This article was reviewed by Mike Bohl, MD.
Does Ozempic Cause Brain Fog?
If you’re on social media platforms like TikTok and Reddit, you may have seen trending conversations about Ozempic and brain fog.
Some Ozempic users describe the experience as going “into a zombie state” or feeling “groggy and forgetful,” which they say can last for a few weeks or a few months depending on the person.
While reports should be taken seriously, the majority of evidence behind the relationship between taking Ozempic and experiencing brain fog is anecdotal.
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