When several doctors prescribe for you, keeping one medication list is the job nobody owns

How do you keep track of medications prescribed by several different doctors

Longetic keeps medications on the same timeline as lab reports, diagnoses and visits, so one list covers every prescriber instead of one per clinic. Two separate jobs hide inside that question. One is remembering to take a dose, which reminder apps do well. The other is holding one accurate list that any clinician can read, which is a record-keeping job, and it is the half that usually has no owner.

The gap opens because prescribing is distributed and record-keeping is not. Your cardiologist knows what your cardiologist prescribed. Your pharmacy knows what it dispensed. The list of everything, including what you buy without a prescription and what a doctor in another country started you on, exists in exactly one place, and that place is you.

Three separate specialists working from three disease-specific guidelines is not a failure of any one of them. The World Health Organization describes the outcome directly: "Patients are often prescribed several medicines recommended by a number of specialists using disease-specific guidelines which in combination makes the management of any single disease challenging and may even lead to patient harm."

What belongs on a medication list

Longetic stores each medication as an entry you can search, next to the lab results from around the same date. The US Food and Drug Administration publishes the field list in its own patient form, and it is short: what you take, what it looks like, how much, how and when, start and stop dates, why, and who told you to take it.

That last field is the one people leave out and the one that matters most when there are several prescribers. A list without prescribers tells a clinician what you take. A list with prescribers tells them who to call.

The official list of what belongs in a digital medication record is longer. The United States Core Data for Interoperability defines the medication data class as medication, dose, dose unit of measure, route of administration, dispense status, instructions, adherence, administration and dispense quantity. The HL7 International Patient Summary, which is the format used for cross-border summaries in Europe, requires status, the medication itself, the patient, the period taken, and dosage with timing and route. The dose unit earns its own field for a reason, covered in our piece on why the unit on a dose matters as much as the number.

Over-the-counter products and supplements belong on the list too. Guy's and St Thomas' NHS Foundation Trust tells patients to bring "inhalers (puffers), creams, patches, drops or injections that you use, as well as tablets, capsules and liquids", including anything "in a blister pack or pill box" and "any medicines you buy from the shop or pharmacy (without a prescription)".

How often do medication lists go wrong

Longetic does not check your list for errors, and no app in this article replaces a pharmacist doing that. The published rates are worse than most people expect. In one emergency department study, only 36.3% of patients' self-reported medication lists matched pharmacy dispensing records exactly, and the most common error was leaving out a drug that had been prescribed.

The World Health Organization defines polypharmacy as "the routine use of five or more medications" and set a global target to cut severe avoidable medication-related harm by half, against an estimated annual cost of medication errors of $42 billion.

None of this means a personal list is a solution on its own. A Norwegian study of a shared electronic medication list in primary care cut discrepancy items from 389 to 122 and the share of patients with any discrepancy from 75% to 56%, which is a large improvement and not a fix. The authors were explicit: "the eSML does not eliminate the need for medication reconciliations."

Do reminder apps and record apps do the same job

No, they do different jobs, and most people who see several prescribers end up wanting both. Reminder apps are built around today's doses. Record apps are built around what a clinician needs to read.

Here is the reminder half, taken from each vendor's own pages.

And here is the record half. As a disclosure, Longetic is our product, so weigh the first row of the table below accordingly.

Read the two tables together and the split is obvious. Medisafe and Apple Health publish interaction checking and Longetic does not. Longetic and KeepMD publish a medication list sitting in the same timeline as lab results, which the pure reminder apps do not. If you take a drug that shifts a lab value, the second arrangement is the one that shows you both numbers on the same screen, and we wrote about which medications do that in a separate piece.

Longetic is iPhone only, there is no Android version, and the only reminders it publishes are re-check reminders for repeating a test, not reminders to take a dose. If dose reminders are the thing you actually need, one of the apps in the first table is the honest answer.

Does your country already keep the list for you

Longetic is the copy that stays yours across systems, which is the reason to keep one even where a national register exists. Partly, in some countries, for some of the list. National e-prescribing systems capture what was prescribed and dispensed, which is most of a medication list and not all of it, and none of them captures what you buy without a prescription.

All three are prescribing and dispensing registers. None of them is a personal health record, and none holds your lab results, your visit notes and your medications in one timeline that follows you when you move country. That is a different product category, not a better version of the same one.

What to take to an appointment or a hospital stay

Longetic produces a doctor-ready summary rather than a data dump, which is the format a clinician can read in the two minutes they have. Official guidance is unusually blunt on this point. The FDA tells patients to "keep the list with you all the time" and to "print and share the record with your doctors, pharmacists, or other health professionals at ALL your visits". AHRQ says the same about its discharge plan: "Bring this plan to all your medical appointments."

The moment this pays off is the handover. Admission and discharge are where the published discrepancy rates are highest, and they are also the moments when you are least able to reconstruct a list from memory. Someone else doing it for you is the alternative, and the data on how well that goes is in the table above.

A practical version, in the order clinicians tend to ask:

• Everything you take, including the ones that are not tablets and the ones you bought yourself.

• The dose and the timing, in the words on the label rather than a summary.

• Who prescribed each one, and when it started.

• What you stopped, and why, if it was in the last year.

• Allergies and past reactions, which sit next to the list rather than inside it.

Frequently asked questions