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A 18-year-old female asked about a 19-year-old male:

Coughing up blood and blood when blowing my nose after i've been running - what could this mean?

1 doctor answer2 doctors weighed in
Dr. Robert Killian
General Practice 29 years experience
Exercising when sick: That you are harming your body by not resting when you are ill. Exercising when you are sick is not wise; it is not healthy; and it is putting excess strain on your lungs and heart. Please contact your physician and rest a bit.
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Last updated Oct 4, 2016

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