Rebecca’s family claims that she abuses prescription drugs and “doctor shops” to get them, which she adamantly denies.

Rebecca, who admits she is currently taking multiple medications, also vehemently denies telling Dr. Phil producers that she could only remember the name of one of her prescribing doctors.

Watch the video above to find out what prompts Rebecca to declare, “This is messed up,” before walking off the Dr. Phil stage. Does she refuse to come back? Watch Friday's episode of Dr. Phil, “My Sisters Are Wrong. I Am Not a Drug Addict,” to find out!

Check your local listing for airtimes.

WATCH: Woman’s Family Claims She’s Drug Dependent. She Insists She Only Takes What Her Doctors Prescribe

TELL DR. PHIL YOUR STORY:In a dispute with a loved one?