RETALZEM is not a recognized medication under this specific name as of my last update in 2023. It's possible that there might be a typographical error in the name provided or it could be a brand name not widely known or available in all regions. Generally, when inquiring about medications, it's important to verify the spelling or consider alternative names, including generic names, that the drug might be sold under. Medications can have different names based on their brand, generic composition, or regional availability. If RETALZEM is intended to refer to a specific medication, it would be advisable to consult a healthcare professional or a reliable medical resource for accurate information regarding its uses, side effects, and any other relevant details.