What Does Your Nose Say About Your Health?
Runny Nose: Cold
Runny Nose: Flu
Nosebleeds: Dry Sinuses
Nosebleeds: Hereditary Hemorrhagic Telangiectasia
Nosebleeds: Other Causes
Decreased Sense of Smell: Polyps
Decreased Sense of Smell: COVID-19 and other infections.
Decreased Sense of Smell: Diabetes
Decreased Sense of Smell: Alzheimer’s
Phantom Smell: Brain Disorder
Phantom Smell: Sinus Infection
Red Nose: Rosacea
Yellow Snot: Infection? Maybe
Brown Snot: Air Pollution, Smoke, Dried Blood
Black Snot: Fungal Infection
Clear Snot: Good Health
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SOURCES:
CDC: “Cold Versus Flu,” “Flu Symptoms & Complications,” “Flu Treatment,” “People at High Risk of Developing Flu-Related Complications.”
Cleveland Clinic: “When Do Frequent Nose Bleeds Signal Rare, Dangerous Disorder?”
Mayo Clinic: “Nasal Polyps,” “Nosebleeds,” “Phantosmia: What causes olfactory hallucinations?” “Rosacea.”
Journal of the Neurological Sciences: “Evaluation of olfactory dysfunction in neurodegenerative diseases.”
MedlinePlus: “Degenerative Nerve Diseases.”
Diabetic Medicine: “Association between diabetes mellitus and olfactory dysfunction: current perspectives and future directions.”
NIH News In Health: “What Your Nose Knows.”
NHS Choices: “Smelling things that aren't there (phantosmia).”
National Rosacea Society: “All About Rosacea.”
University of Utah Healthcare: “The Skinny on Snot.”
Harvard Health Publishing: “Don’t judge your mucus by its color.”