Health Library
Eyes, Ears & Senses
Some changes in vision or hearing are inconvenient; others are time-sensitive. Learn the difference before waiting too long.
Guides
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Read what is relevant now. If a red flag is present, seek medical care rather than continuing to self-diagnose online.
Sudden Vision Loss or a Painful Red Eye: Do Not Wait
Sudden visual loss and a painful red eye can be time-sensitive eye emergencies. Learn why acute glaucoma and other causes need urgent assessment.
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Flashes and Floaters: When a New Shower of Spots Needs Urgent Eye Review
Floaters are common, but a sudden increase with flashes or a curtain-like shadow can signal a retinal tear or detachment.
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Sudden Hearing Loss: Why “Blocked Ear” Can Be Time-Sensitive
Sudden sensorineural hearing loss can feel like a blocked ear and needs prompt medical assessment. Learn which pattern should not wait.
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Tinnitus: Ringing in the Ears, Hearing Changes and When to Check
Tinnitus is common and often benign, but one-sided, pulsating or hearing-loss-associated tinnitus deserves proper assessment.
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