You are almost out of time when you finally say it: “There’s one other thing I wanted to ask.” In primary care, clinicians have described this end-of-visit pattern as the doorknob phenomenon—a concern surfacing as the patient is leaving. It is a name for a recognizable moment, not a diagnosis, and the timing alone does not reveal why someone waited.
Why do I wait until the end to bring it up?
There is no single explanation. A concern may feel difficult to introduce, seem outside the expected agenda, or appear too large to fit into the time left. In primary-care research, patients have described barriers including fear of being labeled difficult and uncertainty about whether a personal stressor belongs in a medical visit. Those findings help explain the pattern in that setting; they do not establish what is behind any one person’s hesitation.
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The phrase “doorknob phenomenon” is used in clinical discussion of concerns raised at the end of a primary-care visit. It should not be taken to mean that people always save their most important concern, or that the same pattern has been measured across everyday conversations, therapy, work, or relationships.
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How do I bring up the real issue?
Make the topic visible early, even if you are not ready to explain it. Before a healthcare visit, jot down a few words as a reminder. You can also say, “There’s one important thing I want to make sure we leave time for.” These are practical prompts, not scripts tested in the clinical trial discussed below.
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- Before the conversation: Write a short note naming the concern so it is easier to remember.
- At the start: Tell the other person that there is something important you want to discuss, even if you need time to find the words.
- If it comes to mind late: Name it plainly and ask whether there is enough time to address it now or whether you should arrange a follow-up.
These options differ in when the concern enters the conversation and who helps set its agenda; none is established here as a universally better approach.
What does the primary-care research show?
A 2018 pilot randomized trial by Wittink and colleagues enrolled 60 primary-care patients and compared a technology-supported prioritization approach called Customized Care with usual care. Patients offered Customized Care were more likely to disclose stressors than those receiving usual care: the reported odds ratio was 6.16 (95% CI 1.53–24.81). The study found no difference in visit length.
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An odds ratio is not the same as a sixfold increase in the probability of disclosure. The result is promising but imprecise, as the wide confidence interval indicates, and comes from a small pilot testing a defined intervention in primary care. It does not show that a brief prompt will make every difficult conversation easier, or that the result applies to other settings. The authors concluded: “Customized Care improved the likelihood of stressor disclosure without affecting the length of the PCP visit.”
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Say what has come to mind, then make the time constraint explicit: “I just remembered something important. Can we cover it briefly, or should we schedule time for it?” If it concerns your health, avoid assuming that a rushed exchange is enough for a complex issue; ask what the appropriate next step is.
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A late concern need not be treated as an ambush. In a clinical discussion of doorknob statements, two broad themes are patient ambivalence and attempts to prolong the visit. That is a clinical perspective, not a prevalence study or a universal explanation. A clinician can ask what prompted the concern and work with the patient to decide what can be addressed now.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How can a professional make room for concerns near the end?
In primary care, asking patients to identify priorities can help bring stressors into the visit before the closing moments. The Customized Care trial offers evidence for one specific, technology-supported approach, not proof that every check-in method prevents late disclosures.
A counseling-textbook example offers a related skill: about five minutes before the session ends, a counselor asks, “How do you think we’re doing?” The counselor listens and uses a summary to keep the dialogue collaborative. This is a practice example, not a trial result; it supports checking in and making room for feedback, but does not show that doing so prevents a final-minute concern.
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