chemistry

Nifuroxazide

Nifuroxazide is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Nifuroxazide rather than just read about it. In short: Nifuroxazide (INN) is an oral nitrofuran antibiotic, patented since 1966 and used to treat colitis and diarrhea in humans and non-humans. It is sold under the brand names Ambatrol, Antinal, Bacifurane, Diafuryl (Turkey), Benol (Pakistan), Pérabacticel (France), Antinal, Diax (Egypt), Dearexin (Guatemala), Nifrozid, Ercefuryl (Romania, Czech Republic, Russia), Erfuzide (Thailand), Endiex (Slovakia), Enterofuryl (Bosn…

Key takeaways

Nifuroxazide belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Nifuroxazide to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Nifuroxazide from memory before moving on to harder problems.

Reference excerpt

Nifuroxazide (INN) is an oral nitrofuran antibiotic, patented since 1966 and used to treat colitis and diarrhea in humans and non-humans. It is sold under the brand names Ambatrol, Antinal, Bacifurane, Diafuryl (Turkey), Benol (Pakistan), Pérabacticel (France), Antinal, Diax (Egypt), Dearexin (Guatemala), Nifrozid, Ercefuryl (Romania, Czech Republic, Russia), Erfuzide (Thailand), Endiex (Slovakia), Enterofuryl (Bosnia and Herzegovina, Montenegro, North Macedonia, Russia), Pentofuryl (Germany), Nifuroksazyd Hasco, Nifuroksazyd Polpharma (Poland), Topron, Enterovid (Latin America), Eskapar (Mexico), Enterocolin, Terracolin (Bolivia), Apazid (Morocco), Nifroxid (Tunisia), Hufafural, Nifural (Indonesia), Nitronal (Georgia) and Septidiaryl. It is sold in capsule form and also as a suspension.

Medical uses Nifuroxazide have been found effective in infective diarrhea.

Mechanism of action Nifuroxazide is a nitrofuran antibacterial used for acute infectious diarrhea and related gastrointestinal infections; it is designed to act locally in the gut rather than systemically. Systemic absorption is negligible at therapeutic doses. Action of the drug is confined to the intestinal lumen, making it suitable for diarrheal infections where a local effect is desired. The nitro group of nifuroxazide is reduced by bacterial nitroreductases, generating reactive species that disrupt essential bacterial enzymes and macromolecules, so that the net effect is bactericidal activity localized to the gut lumen.

History Maurice Claude Ernest Carron patented the drug in the United States in 1966. Subsequent patents issued to Germano Cagliero of Marxer S.p.A. describe the use of nifuroxazide as an antibiotic used to treat livestock.

Health claims In 1997, in an Ivory Coast promotional leaflet, GlaxoSmithKline claimed that nifuroxazide (under the brand name "Ambatrol") is an anti-dehydration treatment, "neutralise[s] microbacterials" in diarrhoea, and has "a spectrum which covers most enteropathogenic microbacterials, Shigella, Escherichia coli, Salmonella, Staphylococci, Klebsiella, Yersinia". The international non-profit organization Healthy Skepticism, at the time using their former name, Medical Lobby for Appropriate Marketing (MaLAM), disagreed, stating "We have not found any scientific evidence to support these claims."

Research directions

STAT3 inhibition In addition to its antibiotic activity, nifuroxazide has been predicted to possess properties of inhibiting STAT3, so it can potentially interfere with a specific cell signaling pathway that some cancer cells depend on for survival, proliferation, and metastasis.

ALDH1 cancer stem cells Nifuroxazide was found to be bio-activated by ALDH1 enzymes, and can potentially kill ALDH1-High melanoma cells in experimental human cell systems and mouse models. High aldehyde dehydrogenase (ALDH) 1 enzymatic activity is a marker for cancer stem cell/tumour initiating cell populations in some cancers. ALDH1 is enriched in melanoma patient samples following BRAF and MEK inhibitor treatments, and it has been proposed that nifuroxazide may be researched in this context.

USP21 inhibition Recent preclinical studies suggest that nifuroxazide can potentially inhibit USP21, a deubiquitinase implicated in cancer progression, by suppressing its enzymatic activity and reducing the expression of specific microRNAs that regulate USP21, but the solid evidence on potential applications is lacking.

References

Worked examples

Example 1 — a first encounter with Nifuroxazide

Start with the simplest possible case. Write down what Nifuroxazide claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Nifuroxazide before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Nifuroxazide ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Nifuroxazide

In research: Nifuroxazide appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Nifuroxazide in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Nifuroxazide is common in secondary-school and first-year university syllabi. It links to neighbouring topics 4-Hydroxyphenyl compounds, Antibiotics, Gastrointestinal system drug stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Nifuroxazide outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Nifuroxazide” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Nifuroxazide in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Nifuroxazide means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Nifuroxazide out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Nifuroxazide in simple terms?

Why does Nifuroxazide matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Nifuroxazide?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Nifuroxazide.