Educational use only: Symptom.Today is an educational tool and does not provide medical advice, diagnosis, or treatment. Results are not a substitute for professional medical care. If symptoms are severe, worsening, or concerning, seek medical attention immediately. In an emergency, call your local emergency number.
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A feeling of instability or the knee 'giving way' and heartburn
When a feeling of instability or the knee 'giving way' and heartburn appear together, the differential narrows. Below are the most likely causes — and the dangerous ones to never miss.
MOST LIKELY
MUST NOT MISS
When to seek urgent help
Seek urgent care if a feeling of instability or the knee 'giving way' and heartburn is sudden and severe, accompanied by fever, neurological changes, breathing difficulty, or rapidly worsens.
FAQ
What does it mean when I have a feeling of instability or the knee 'giving way' and heartburn?
When a feeling of instability or the knee 'giving way' appears with heartburn, the differential narrows. The most likely matches are listed above; serious causes you should not miss are flagged separately.
When should I seek urgent care?
Get medical help immediately if symptoms are sudden, severe, accompanied by chest pain, breathing difficulty, neurological changes, high fever, or rapid worsening.
Can I diagnose this myself?
No. This page is educational only. A clinician can correlate symptoms with exam findings, history, and tests.