👉 Reredos, also known as regimen reversal, is a procedure where an individual's medication regimen is changed to a different one. This can be done for various reasons such as changing medications, switching to a new type of medication, or replacing a medication with another that has better tolerability. In the context of healthcare, reredos refers to the process of altering a patient's current treatment plan without the need for an additional consultation or referral to a specialist. This can be done in various