Sometimes an ordinary situation begins to feel charged with threat: a journey, a social invitation, a quiet evening, a bodily sensation, an unfamiliar message or a change in routine. That feeling can be frightening. But a blog cannot determine whether it reflects anxiety, a health concern, stress, trauma, exhaustion, a difficult experience, a practical risk or something else. Physical symptoms should not automatically be understood as anxiety. New, severe, changing or worrying symptoms should be discussed with an appropriate medical professional. If there is immediate danger, a mental health crisis, thoughts of self harm or an inability to keep safe, urgent appropriate help is needed. People may respond to uncertainty by checking, avoiding, seeking reassurance, rehearsing, researching or scanning for signs of danger. Those responses can make sense in context. They do not prove a diagnosis, and no article can establish whether a particular response is helpful, unhelpful or necessary for one person. CBT may be considered after individual assessment where appropriate. It is not a self directed instruction to ignore symptoms, take risks, stop medical follow up or force exposure to feared situations. Where behavioural work is clinically suitable, it is planned collaboratively with a qualified clinician and takes account of medical information, consent, safety and the person’s circumstances. Assessment can explore what feels dangerous, when it began, relevant health information, recent changes, current support, safety, practical pressures and what the person hopes to understand. It should not promise that anxiety will disappear or assume that therapy is the only response. For related information, see health anxiety support at lyceumclinic.co.uk/therapy/health anxiety/, the guide to health anxiety and reassurance at lyceumclinic.co.uk/guides/health anxiety reassurance cycle/ and medical safety information for anxiety and physical symptoms at lyceumclinic.co.uk/guides/anxiety and physical symptoms medical safety/.