Can A THC Shot Before An MRI Affect The Scan?

Posted on Thu, 31 Mar 2016

Medically reviewed by Ask A Doctor - 24x7 Medical Review Team

Thu, 31 Mar 2016 Answered on

Thu, 2 Jun 2016 Last reviewed on

Question : I have an MRI tomorrow. I ingested THC, will that effect the contrast? I know I can't have NSAIDS or blood thinners, just wondering if I need to reschedule.

Answered by Dr. Vivek Chail (15 minutes later)

Brief Answer:
You can go for the MRI scan tomorrow

Detailed Answer:
Hi,
Thanks for writing in to us.

I have read throguh your query in detail.
Please find my observations below.

1. There is no adverse event going to happen due to contrast during MRI scan if you have taken THC today.

2. THC will not affect the MRI scan or the contrast ability to detect lesions.

3. In conclusion, you can go for the MRI tomorrow.

Hope your query is answered.
Please do write back if you have any doubts.

Regards,

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar