Deputies in Madison County said they found a one-step meth lab in a home on Phelps Road in Richmond.
The sheriff's office said the deputies smelled ether when they showed up for a welfare check.
Deputies said, after the search, they found the lab, plus heroin, methadone, and methamphetamines.
They charged Christopher Mullkin, Colen Wilburn, and Jessica Henry.
Mullkin and Wilburn face drug charges. Henry is accused of failure to pay fines in Estill County.