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What Causes Blurred Vision After Taking Doxycycline?

my wife was prescribed doxycycline for spider bites in July. In September she started having blurred vision in right eye, She was diagnosed with Myasthenia Gravis in October and is currently waiting to see a neurologist for treatment. Are there any treatments she can take to help with her double vision

Thank You
Tom Verne
Thu, 5 Jan 2017
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Ophthalmologist,  's  Response
Hello and welcome to ‘Ask A Doctor’ service.
I have reviewed your query and here is my advice.

Doxycyclin is not meant to treat spider bite. In mysthenia graves one can have blurred and double vision due to paralytic effect of muscle. It is treated with neostigmine. Refraction should be done and if there is refractive error then it should be corrected consult neurologist and myasthenia graves be treated. Double vision can be controlled if myasthenia graves is properly treated.

Hope I have answered your query. Let me know if I can assist you further.

Regards,
Dr. Ashok Kumar Dash
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Ophthalmologist,  Dr. Ashok Kumar Dash's  Response
doxycycline is not the treatment for spider bite mysthenia gravies can have such problem due to paralytic effect of muscle. it is treated with neostimine.
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What Causes Blurred Vision After Taking Doxycycline?

Hello and welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. Doxycyclin is not meant to treat spider bite. In mysthenia graves one can have blurred and double vision due to paralytic effect of muscle. It is treated with neostigmine. Refraction should be done and if there is refractive error then it should be corrected consult neurologist and myasthenia graves be treated. Double vision can be controlled if myasthenia graves is properly treated. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Ashok Kumar Dash