How does ContextRx source, check and correct its pages?

We use primary documents only, check every outside claim against the document it comes from, keep the labels we find anonymous, and correct mistakes in the open. Every answer page shows the sources we checked and the date we last reviewed it.

How we source

We cite the primary document: the regulation, the guidance, the official agency page or the published list itself. That means sources such as the FDA, EMA, Health Canada, eCFR and ISMP. A search snippet, a news summary or another site's paraphrase isn't enough. If we can't read the primary document, the claim doesn't go on the page.

How we verify

Before a page goes live, an editor opens each source and checks every outside claim against it, word for word where we quote. Anything we can't confirm is cut. Our reasoning is labelled as our view or our reading, so you can tell it apart from what a source says. Examples we invent to explain a point are labelled as made up. Figures in our quarterly index are flagged and verified by our automated pipeline, not by a person checking each one. Published cases are the ones a person reviews.

What we never claim

• We never say or imply that the FDA requires human review of AI-drafted labeling.
• We never present our reading of a rule as legal or regulatory advice.
• We never say a person checked every figure. Index figures come from our automated pipeline; published cases are the ones a person reviews.
• We never claim findings we don't have. Our cases come from FDA DailyMed labels; when a page covers another kind of document, it says so.

How we anonymize

We never name the company, product or brand behind a wrong word we find, and we don't link to the label. Each case shows the word pair, the kind of company and the part of the label, and nothing that narrows it to one product: no company, brand or product names, no ingredients, counts or dates. A case may name a broad product category, but never one detailed enough to point to a single product. The point is to teach the failure, not to shame the labeler. Errors like these happen in good teams, and anyone can learn the review habit that catches them without a single label being named. Before anything goes live, a separate reviewer checks every page for details that could identify a label.

Lines readers send us

Anything you send us stays private. We never publish a line you share, or anything taken from it, unless you've given us your written yes first.

Corrections

If we get something wrong, we fix it on the same page and update its last-reviewed date. If a correction changes what the page says, we say so on the page. You can report an error through our contact page.

Last-reviewed dates

Every answer page shows a "Last reviewed" date: the last time an editor re-checked its sources. When a source changes, we update the page at the same address and change that date.

Sources

This page describes our own policies and makes no outside claims, so it cites no sources.

Last reviewed: October 14, 2026

More on contextual errors in FDA DailyMed labels.

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Where do your facts come from?

From primary documents only: the regulation, guidance or official page itself. A search snippet or a summary someone else wrote doesn't count.

Do you name the companies behind the errors you find?

No. Each case shows the word pair, the kind of company and the part of the label, and nothing that narrows it to one product.

Will you publish a line I send you?

Not without your written yes. Anything you send us stays private.

How do I report an error on this site?

Use our contact page. If we confirm the error, we correct the page and update its last-reviewed date.