How to Organize Medication Details Before a Planned Procedure

If you have a planned procedure coming up, the fastest way to help your care team keep you safe is a complete, written record of everything you take — prescriptions, over-the-counter products, vitamins, and supplements — along with a short list of questions about which of them to pause, continue, or skip. This guide walks through how to build that packet and that question list. It does not tell you which medicines to stop, start, or change; only your surgeon, prescriber, or pharmacist can make that call for you.

Terms to Know

• Medication list: A single written record of every medicine, supplement, and OTC product you currently take, including strength, dose, and schedule.
• Medication reconciliation: The process your care team uses to compare your current medication list against new orders for the procedure, so nothing is missed, duplicated, or given by accident.
• Hold instruction: A specific, individualized direction from your surgeon or prescriber to stop a particular medicine for a set number of days before the procedure.
• OTC (over-the-counter) product: Any medicine, supplement, herbal product, or vitamin you can buy without a prescription.

Your Medication List vs. Medication Reconciliation: What’s the Difference?

These two terms are related but not the same, and mixing them up can leave gaps in your preparation.

• Your medication list is something you build and carry. It belongs to you, and you are the only person who knows it is complete. The Agency for Healthcare Research and Quality (AHRQ) describes the value of keeping a single, current, accurate list — sometimes called a “one source of truth” — that you update every time a medicine is added, stopped, or changed, and that you carry with you to every appointment.
• Medication reconciliation is something your care team does. It is the formal step in which clinicians compare your current list against the medicines ordered for your procedure to catch conflicts or missed items before they cause a problem.

The connection between the two is simple: reconciliation can only work as well as the list you hand over. A vague or incomplete list — for example, “a blood pressure pill and something for my stomach” — gives your care team far less to work with than a written record with exact names, strengths, and doses.

Step-by-Step: Build Your Medication Information Packet

1. List every product you take, not just prescriptions. Include prescription medicines, OTC pain relievers or allergy medicines, vitamins, minerals, and herbal or other supplements. Procedure teams need the full picture because some non-prescription products can still affect bleeding, blood sugar, or anesthesia.
2. Write down the exact name, strength, dose, and schedule for each item. “Metformin 500 mg, twice a day” is far more useful to your care team than “diabetes pill.”
3. Note the reason you take each medicine, if you know it. This helps your team spot anything that looks unusual or missing.
4. Gather the original containers if you can. MedlinePlus’s pre-surgery guidance recommends bringing your medicines in their containers when possible, since labels confirm the exact product and strength.
5. Mark anything you were already told to stop. If a surgeon’s office already gave you a hold instruction — for example, to pause a blood thinner — write down what you were told to stop and the date you stopped it, and bring that information too, rather than leaving it off the list.
6. Make one copy for yourself and one to hand to the procedure team. Keeping a personal copy means you always have an up-to-date list on hand for future appointments, not just this one.

Questions to Ask Before You Change Anything

Do not stop, start, or adjust any medicine, supplement, or vitamin based on general guidance you read online — including this article. General pre-surgery information (like which categories of medicines sometimes need to be held) is not the same as a hold instruction written for you. Bring these questions to your surgeon, prescriber, or pharmacist instead:

• “Which of my current medicines, if any, do you want me to stop before the procedure, and how many days ahead?”
• “Which medicines should I keep taking on my normal schedule, including the morning of the procedure?”
• “Are any of my vitamins or supplements a concern? Should I pause any of them?”
• “If I’m not sure which instruction applies to a specific medicine, who should I call?”
• “What should I do if I accidentally take (or miss) a dose I was told to hold?”

MedlinePlus’s pre-surgery guidance notes that supplements, herbs, vitamins, and minerals generally should not be taken before surgery unless your surgeon has specifically said it is fine — which is exactly the kind of instruction to confirm directly rather than assume.

Symptoms to Report Before Your Procedure

Certain symptoms in the days before a planned procedure are worth a call to your surgeon’s office regardless of your medication list. According to MedlinePlus’s pre-surgery guidance, these include new skin rashes or skin infections, chest pain or shortness of breath, cough, fever, and cold or flu symptoms. If you develop chest pain, shortness of breath, or another symptom that feels like an emergency, contact emergency services right away rather than waiting for your procedure appointment.

Where This Fits in Your Broader Medication Records

A pre-procedure medication packet works best as part of an ongoing habit, not a one-time task. For guidance on building and maintaining a complete medication list for everyday use — not just before a procedure — see our Start Here guide. To understand how we select and verify the sources behind guides like this one, visit How We Research.

Medical Information Disclaimer

This article is for general educational purposes only and does not replace individualized medical advice. Clear Health Evidence is an independent educational publication and is not a physician, medical practice, clinic, or affiliated with any prior operator of this domain. Always follow the specific instructions given to you by your own surgeon, prescriber, or pharmacist, and contact your care team directly with any questions about your medicines before a procedure.

By Clear Health Evidence Editorial Desk. Last updated September 10, 2026.