OpenSymptomUnderstand symptoms, act wisely.
Clear, educational explanations of common symptoms. Learn what might be causing your symptoms and when to seek medical care. Not medical advice—always consult a healthcare professional.
Educational Content
Plain-English explanations of symptoms, causes, and when to seek care
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Information based on reputable medical sources like NIH, CDC, and Mayo Clinic
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Latest Articles
Recently updated symptom guides
Chronic Fatigue: Causes from Sleep Disorders to Thyroid Issues
Constantly exhausted despite adequate sleep? Explore common causes of chronic fatigue including anemia, thyroid problems, and sleep apnea, plus energy-boosting strategies.
Dizziness When Standing Up: Understanding Orthostatic Hypotension
Feeling dizzy or lightheaded when you stand? Learn about orthostatic hypotension, dehydration, and other causes, plus simple strategies for relief.
Frequent Urination at Night (Nocturia): Causes and Solutions
Waking up multiple times to urinate? Learn about common causes of nocturia from fluid intake to medical conditions, plus tips to improve your sleep.
Headache Behind Eyes: Common Causes and When to Worry
Experiencing a headache behind your eyes? Learn about common causes from eye strain to sinus issues, plus warning signs that need medical attention.
Joint Pain: Causes from Arthritis to Autoimmune Diseases
Experiencing aching joints? Learn about common causes of joint pain including osteoarthritis, rheumatoid arthritis, and gout, plus effective relief strategies.
Knee Pain: Common Causes from Arthritis to Injuries
Experiencing knee pain? Learn about common causes including arthritis, meniscus tears, and runner's knee, plus effective relief strategies and when to see a doctor.
Remember: This is Educational Information
OpenSymptom provides general health information for educational purposes. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your healthcare provider with questions about your health.