Toxic effects appear after the ingestion of approximately 2 g (lethal dose LD adults: 4 g; children: 1 g of pure camphor). 2.2 Summary of clinical effectsClinical effects are: gastric irritation, colic, nausea, vomiting, and diarrhoea;
www.inchem.org/documents/pims/pharm/camphor.htm www.inchem.org/documents/pims/pharm/camphor.htm
While there were some published data suggesting a general toxic threshold dose range for camphor, the data suffered from a number of limitations, including the following. ... Understandably, there were no prospective studies that specifically investigated the toxic dose threshold for camphor.
www.guideline.gov/summary/summary.aspx?ss=15&doc_id=990... www.guideline.gov/summary/summary.aspx?ss=15&doc_id=9903&nbr=5299
Camphor trees are tall, up to 30 meters (90 ft) ... Infusions or teas may be taken internally as expectorants (Blumenthal, 1998), although this form of application is not recommended due to Camphor’s potential toxicity (Brinker, 2000; Chevallier, 2000), since the therapeutic dose approximates the toxic dose (Weiss and;
www.herbalsafety.utep.edu/pdf.asp?ID=2
Camphor oil preparations have been used both internally and externally for a variety of ailments, ... Teas are sometimes ingested to remove secretions from the upper respiratory tract, but this form of application is not recommended, due to Camphor’s potential toxicity. The therapeutic dose closely approximates the toxic dose.
www.herbalsafety.utep.edu/facts.asp?ID=2
Citral and (−)-menthol (highest non-toxic dose=600–700 μg/plate) were less toxic than citronellal, but clearly more toxic than (±)-camphor, 1,8-cineole and ...
linkinghub.elsevier.com/retrieve/pii/S1383571898000771
Which over-the counter products contain camphor? ... What is a toxic dose for camphor? ... According to 2001 data from the American Association of Poison Control Centers Toxic Exposure Surveillance System (TESS), there were 8,505 exposures to camphor-containing products.
www.ferne.org/Lectures/mazoracep03.htm
A toxic dose of these compounds, especially camphor and methyl salicylate, can easily be ingested. Camphor has been associated with fatalities, ...
jcp.sagepub.com/cgi/content/full/44/10/1151
Camphor is absorbed rapidly from the skin, the gastrointestinal tract and the respiratory tract. It is not readily absorbed by the mucous membrane, but easily absorbed by the subcutaneous tissue. Toxic levels are seen in a matter of minutes. ... Toxic symptoms in an adult occur after a 2 gram dose, and 20 grams tend to...
chemweb.calpoly.edu/chem/bailey/377/StudentPagesF01/Mar... chemweb.calpoly.edu/chem/bailey/377/StudentPagesF01/Marlena
We got through the Emergency triage fairly quickly.  Of all the ingredients in Vick’s VapoRub, the only one that is really worrisome is camphor.  You want to know what a toxic dose of camphor can do?  You’ll love this: camphor messes with the central nervous system in such a way that it can cause seizures.
fawnahareo.com/2009/09/03/and-the-nurse-asked-is-her-na... fawnahareo.com/2009/09/03/and-the-nurse-asked-is-her-name-vicky/
Which over-the counter products contain camphor? What is a toxic dose for camphor? What are the symptoms of camphor toxicity? What are the treatments for camphor toxicity? Key Learning Points; • Camphor is a common ingredient in many over the counter preparations and can manifest severe toxicity;
www.uic.edu/com/ferne/pdf/acep2003/mazoracep03.pdf