This white, oval pill imprinted with DAN DAN 5325 is a Colchicine 0.5 MG / Probenecid 500 MG Oral Tablet, per the NIH.
Probenecid and Colchicine is a human prescription drug. The active pharmaceutical ingredient is colchicine; probenecid and is classified as, "Cytochrome P450 3A4 Inhibitors [MoA], P-Glycoprotein Interactions [MoA]."
This pill is made by Watson Laboratories, Inc.
There are 4 other white pills that with a similar imprint: "DAN DAN 5325". They may be a different dosage of the same drug or a different drug entirely.