Do u refrigerate omnicef suspension?

This is the storage information from the monograph ... so I guess you could put it in a cool place, not necessarily in the fridge.

Store the capsules and unsuspended powder at 25°C (77°F); excursions permitted to 15°-30°C (59°-86°F). Once reconstituted, the oral suspension can be stored at controlled room temperature for 10 days.

https://www.drugs.com/pro/omnicef.html