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Clofedanol

group of stereoisomers

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 15, 2026
Entity authorityQ2964078
Source-derived summary

Clofedanol (INN) or chlophedianol (BAN), sold under the brand name Ninjacof among others, is a centrally acting cough suppressant used in the treatment of dry cough. Clofedanol has local anesthetic, antispasmodic, and antihistamine properties, and may have anticholinergic effects at high doses.

Side effects

Adverse effects may include irritability, drowsiness, nightmares, vertigo, nausea or vomiting, visual disturbances or hallucinations, and urticaria. There are potential interactions with other anticholinergics, CNS depressants, and alcohol.

Pharmacology

Unlike many other antitussive drugs such as dextromethorphan, it binds poorly to the sigma-1 receptor.

Society and culture

Chlophedianol was approved for OTC status in 1987 by the FDA OTC monograph process and its safety and efficacy data are limited. It was formerly sold over-the-counter in the United States under the trade name Ulo, as a syrup with a dosage of 25 mg/5 mL. It is now marketed under the brand name of Ninjacof and others in the U.S.

It is marketed in Canada under the trade name Ulone. GM Pharmaceuticals owns the patents to 113 combinations with Chlophedianol and was the first company to launch the cough suppressant in the United States.

It is sold in Japan as an over-the-counter drug under the name Coldrin. It has been marketed in Germany as Pectolitan and in Spain as Gentos.

Editorial summary

Begin with the source’s own compact description: “Clofedanol” is group of stereoisomers. The dossier treats that line as a proposition to test through Clofedanol, group and stereoisomers, not as a finished interpretation.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1987—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Clofedanol, group and stereoisomers is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “group of stereoisomers” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 15, 2026. The linked authority identifier is Q2964078. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1987.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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Source & attribution

This entry incorporates text from Clofedanol” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.