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Toxicology and poison
Toxicology (Forensic)  · Toxinology
History of poison
(ICD-10 T36-T65, ICD-9 960-989)
Poison · Venom · Toxicant (Toxin)  · Antidote
Acceptable daily intake · Acute toxicity
Bioaccumulation · Biomagnification
Fixed Dose Procedure · LD50 · Lethal dose
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WikiDoc Resources for Hemotoxin


Most recent articles on Hemotoxin

Most cited articles on Hemotoxin

Review articles on Hemotoxin

Articles on Hemotoxin in N Eng J Med, Lancet, BMJ


Powerpoint slides on Hemotoxin

Images of Hemotoxin

Photos of Hemotoxin

Podcasts & MP3s on Hemotoxin

Videos on Hemotoxin

Evidence Based Medicine

Cochrane Collaboration on Hemotoxin

Bandolier on Hemotoxin

TRIP on Hemotoxin

Clinical Trials

Ongoing Trials on Hemotoxin at Clinical Trials.gov

Trial results on Hemotoxin

Clinical Trials on Hemotoxin at Google

Guidelines / Policies / Govt

US National Guidelines Clearinghouse on Hemotoxin

NICE Guidance on Hemotoxin


FDA on Hemotoxin

CDC on Hemotoxin


Books on Hemotoxin


Hemotoxin in the news

Be alerted to news on Hemotoxin

News trends on Hemotoxin


Blogs on Hemotoxin


Definitions of Hemotoxin

Patient Resources / Community

Patient resources on Hemotoxin

Discussion groups on Hemotoxin

Patient Handouts on Hemotoxin

Directions to Hospitals Treating Hemotoxin

Risk calculators and risk factors for Hemotoxin

Healthcare Provider Resources

Symptoms of Hemotoxin

Causes & Risk Factors for Hemotoxin

Diagnostic studies for Hemotoxin

Treatment of Hemotoxin

Continuing Medical Education (CME)

CME Programs on Hemotoxin


Hemotoxin en Espanol

Hemotoxin en Francais


Hemotoxin in the Marketplace

Patents on Hemotoxin

Experimental / Informatics

List of terms related to Hemotoxin

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Hemotoxins, haemotoxins or hematotoxins are toxins that destroy red blood cells (that is, cause hemolysis), disrupt blood clotting, and/or cause organ degeneration and generalized tissue damage. The term hemotoxin is to some degree a misnomer since toxins that damage the blood also damage other tissues. An injury due to a hemotoxic agent is often very painful, and permanent damage, such as loss of an affected limb, is possible even with prompt treatment.

Hemotoxins are frequently employed by venomous animals, including pit vipers. Animal venoms contain enzymes and other proteins that are hemotoxic or neurotoxic or occasionally both (as in the Mojave Rattlesnake and similar species). In addition to killing the prey, part of the function of a hemotoxic venom for some animals is to aid digestion. The venom breaks down protein in the region of the bite, making prey easier to digest.

The process by which a hemotoxin causes death is much slower than that of a neurotoxin. Snakes which envenomate a prey animal may have to track the prey as it runs (or otherwise moves) away. Typically, a mammalian prey item will stop fleeing not because it is dead but because shock sets in due to trauma from the poison bite. Dependent upon species, size, location of bite and the amount of venom injected, symptoms in humans such as nausea, disorientation, and headaches may be delayed for several hours.

Hemotoxins are used in diagnostic studies of the coagulation system. Lupus anticoagulans is detected by changes in the dilute Russell's viper venom time (DRVVT), which is a laboratory assay based on—as its name indicates—venom of the Russell's viper.

External links

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