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Smoking cannabis for nausea. Can doctors see cannabis use in MRI or CT scan results?

Good morning. I have to go in for an MRI and CT scan tomorrow to rule out possible vestibular issues relating to vertigo problems while driving. My ENT and Neuropsych do not expect to find much but are doing it to be on the safe side. Due to years of chronic nausea, I have been smoking cannabis daily off and on for 10 years or so. My question is this, if my official written medical history does not include information about my cannabis use, can the doctors see this clearly in MRI or CT scan results; could anything they see be misdiagnosed if I do not disclose my pot smoking? Thank you sincerely!
Asked On : Thu, 28 Jun 2012
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Psychiatrist 's  Response
Jun 2013
Hi there ~

I understand your concerns. Smoking cannabis can cause you to have a lot of symptoms and nausea is very common with cannabis use. To answer you question about detection; smoking cannabis can be detected in urine and serum tox screens; I also believe it cannot be detected by using MRI or CT scan. However chronic use may cause you to have brain changes related to marijuana use. I also believe that vertigo is a problem that is related to marijuana use. I believe that the official written medical history of pot use can be diagnosed a cannabis dependence with the use of a good history and physical examination along with supporting collateral evidence as well as laboratory testing to prove marijuana use. I hope this helps and it is in your best interest to disclose your usage history and find a psychiatrist who can get you to rehab and on the path to recovery as soon as possible.

I hope this helps. Take care of yourself and have a lovely day!
Answered: Wed, 10 Jul 2013
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