Priya Reddy Priya Reddy Asked 8 months ago

How many ct scans cause cancer?

My mother recently had to get a CT scan, and the doctor said it's good to avoid too many of them if possible. I'm wondering, how many CT scans would be considered 'too many' or increase the risk of cancer? We're a bit worried.

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6 answers

Aniket Deshmukh Aniket Deshmukh Joined Jan 2026 8 months ago
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I was researching this because I had to get two CT scans last year. Actually, there is no magic number like '3 or 5 scans' that causes it, but having multiple scans over a short period does slightly increase the cumulative risk.

Preeti Sharma Preeti Sharma Joined Apr 2026 6 months ago

Don't worry too much! A single CT scan has a very low radiation dose, so the risk of getting cancer from it is extremely tiny. Doctors only suggest them when it is absolutely necessary for your safety.

Satish Yadav Satish Yadav Joined Feb 2026 8 months ago

If your doctor has written a CT scan, then go for it without fear. Just make sure you do it from a reputed, certified lab where the machines are modern and well-calibrated. Don't avoid important tests because of internet rumors.

Vikram Malhotra Vikram Malhotra Joined Mar 2026 7 months ago

A few necessary CT scans won't cause cancer, so don't stress. Focus on keeping your immunity strong by doing regular physical activity like a 30-minute brisk walk daily. A healthy active lifestyle is your best defense anyway.

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Consult a radiation oncologist

Rajesh Khanna Rajesh Khanna Joined May 2026 6 months ago

I had to undergo four CT scans during my recent accident treatment and I was terrified of this too. My radiologist assured me that modern CT machines use very low doses and the benefit of diagnosing my injuries far outweighed the minimal risk.

Nisha Bhatia Nisha Bhatia Joined May 2026 6 months ago

I completely understand your fear because I also spent sleepless nights googling radiation risks after my scan. But honestly, the risk is incredibly low—almost 1 in 2000 for a standard scan. Please try to calm your mind.

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