Doctors don't ask about this. People still take Prilosec, and it's acknowledged that it causes cancer. You get what you give: confirmation bias.
Edit: The essential problem is that ranitidine isn't shelf-stable. This could explain some problems with other theraputics which we won't name to avoid downvoting / politics.
It is acknowledged that nitrosamines cause cancer. It is acknowledged that ranitidine breaks down on the shelf to nitrosamines: this wasn't discovered by the FDA or another government agency, it was discovered by a mail-order, compounding pharmacy which also tests ingredients. Their discovery led to ranitidine being recalled.
As for prilosec: the cancer risk is acknowledged in the packaging.
Hey. I brought up ranitidine because it is specifically associated with nitrosamines, and nitrosamines cause colon cancer. No redirect: colon cancer. You take issue with prilosec being admitted to this debate, then that would be because ion pump moderators cause stomach cancer. My bad: stomach cancer irrelevant to you.
You can't see ranitidine when it farts in your face: nitrosamines cause colon cancer. Why is that not relevant? Why is that not potentially more relevant than foo foo microbes? (By the way, I eat sour cream or yogurt when I eat meat or take e.g. glucosamine. YMMV.)
Doctors don't ask about this. People still take Prilosec, and it's acknowledged that it causes cancer. You get what you give: confirmation bias.
Edit: The essential problem is that ranitidine isn't shelf-stable. This could explain some problems with other theraputics which we won't name to avoid downvoting / politics.