Symptoms start or worsen during anxious thoughts, worry, or stress
Breathing feels “tight” or “can’t get a satisfying breath,” often with normal oxygen levels
Breathing changes quickly with calming, distraction, or mindfulness
Chest discomfort is sharp, fleeting, or changes location rather than steadily worsening
Tingling in hands/feet, dizziness, lightheadedness, or muscle tightness occurs alongside breathing changes
Symptoms peak within minutes and then gradually ease
Hyperventilation signs: rapid breathing, breathlessness with tingling, or feeling “air hungry”
No clear triggers like exertion, infection symptoms, or new leg swelling
Breathing rate is elevated and may be irregular, with a normal ability to speak full sentences at times
You have a history of panic attacks, anxiety, or similar episodes
Symptoms improve with slow breathing, grounding, or relaxation techniques
You can often identify an anxiety trigger (e.g., fear of symptoms, crowded spaces, social situations)
Seek urgent care now if you have any of the following:
Chest pain/pressure, pain spreading to arm/jaw/back
Severe trouble breathing, inability to speak full sentences, or rapidly worsening symptoms
Blue/gray lips or face
Fainting, severe dizziness, confusion
Coughing up blood
New one-sided leg swelling or pain
Fever with worsening breathing, or symptoms after recent surgery/travel
Known heart/lung disease, or symptoms that are new and not like prior anxiety episodes
Symptoms lasting longer than 20–30 minutes despite calming or breathing changes
Oxygen saturation persistently below 92% (or below your clinician’s threshold)