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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Diagnosed with bronchitis. No pupil dilation due to coughing. Correct diagnosis?

Hello. My name is XXXXX. My mother went to the hospital the other day because she was sick. She found out she has bronchitis and when the Dr did an exam, her pupil didn t dilate. The Dr told her it was due to coughing. I ve never heard of such a thing and want to know if the coughing can cause her pupils to not dilate?
Wed, 16 Oct 2013
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Ayurveda Specialist 's  Response
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1. There doesn't appear to be evidence of coughing linked with pupillary dilatation, but bronchitis which leads to anxiety can causes pupil constriction, i.e. when stress affects the body, almost anything is possible.
2. Pharmacologically, treatment of bronchitis is with anti-cholinergic agents, which means cholinergic activity is responsible for most of the symptoms of bronchitis, and one effect of cholinergic activity on EYE is constriction of the circular muscle of iris and causing miosis [and hence it was seen during examination,causing pupils not to dilate]

PS:
since most cases of bronchitis are viral in origin or caused by lung irritants like smoke and pollutants, antibiotics are not preferred choice, unless secondary infection is likely possibility, thus a good treatment option is drinking lots of fluids and getting some sleep, along with a humidifier to relieve some of the respiratory symptoms, and a cough suppressant medication for tiring cough.
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