Medical Definition of Rx

Rx: A medical prescription. The symbol "Rx" is usually said to stand for the Latin word "recipe" meaning "to take." It is customarily part of the superscription (heading) of a prescription.

Quick GuideHeartburn: Causes, Symptoms, Remedies, Treatments

Heartburn: Causes, Symptoms, Remedies, Treatments

Subscribe to MedicineNet's General Health Newsletter

By clicking Submit, I agree to the MedicineNet's Terms & Conditions & Privacy Policy and understand that I may opt out of MedicineNet's subscriptions at any time.


Last Editorial Review: 5/13/2016

Health Solutions From Our Sponsors