Alzheimers Home > Namenda XR Drug Interactions

When certain medications are taken with Namenda XR, drug interactions may occur. Some of the products that may react negatively with Namenda XR include amantadine, carbonic anhydrase inhibitors, and dextromethorphan. To avoid any potentially serious complications, talk to your healthcare provider about any other medicines you are taking before beginning treatment with this Alzheimer's medication.

An Overview of Interactions With Namenda XR

Namenda XR® (memantine XR) can potentially interact with a number of other medications. Some of the products that may lead to drug interactions with Namenda XR include but are not limited to:

Namenda XR Drug Interactions Explained

The following sections explain in detail the potentially negative interactions that can occur when Namenda XR is combined with any of the drugs listed above.
Amantadine (Symmetrel)
Amantadine and Namenda XR affect certain brain receptors in a similar way. It is not known if it is safe to take these medications together. Make sure to check with your healthcare provider before combining these drugs.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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