Snake Bite (Snakebite)
Charles Patrick Davis, MD, PhD
Dr. Charles "Pat" Davis, MD, PhD, is a board certified Emergency Medicine doctor who currently practices as a consultant and staff member for hospitals. He has a PhD in Microbiology (UT at Austin), and the MD (Univ. Texas Medical Branch, Galveston). He is a Clinical Professor (retired) in the Division of Emergency Medicine, UT Health Science Center at San Antonio, and has been the Chief of Emergency Medicine at UT Medical Branch and at UTHSCSA with over 250 publications.
Steven Doerr, MD
Steven Doerr, MD, is a U.S. board-certified Emergency Medicine Physician. Dr. Doerr received his undergraduate degree in Spanish from the University of Colorado at Boulder. He graduated with his Medical Degree from the University Of Colorado Health Sciences Center in Denver, Colorado in 1998 and completed his residency training in Emergency Medicine from Denver Health Medical Center in Denver, Colorado in 2002, where he also served as Chief Resident.
Jerry R. Balentine, DO, FACEP
Dr. Balentine received his undergraduate degree from McDaniel College in Westminster, Maryland. He attended medical school at the Philadelphia College of Osteopathic Medicine graduating in1983. He completed his internship at St. Joseph's Hospital in Philadelphia and his Emergency Medicine residency at Lincoln Medical and Mental Health Center in the Bronx, where he served as chief resident.
- What is a venomous (poisonous) snake bite?
- What is a nonvenomous (nonpoisonous) snake bite?
- What are the symptoms of a venomous snake bite?
- How is a venomous snake bite diagnosed?
- What is the treatment for a venomous snake bite?
- What are the complications of a venomous snake bite?
- Can a snake bite be prevented?
- What is the prognosis for a venomous snake bite?
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What is a venomous (poisonous) snake bite?
A venomous (poisonous) snake bite is a bite or a puncture wound made by a snake that is capable of injecting, secreting, or spitting a toxin into the penetrated skin wound or, mucus membranes or the eyes where the toxin can be absorbed. In North America, there are about 25 species of snakes able to secrete toxin. However, non-native poisonous species are present in zoos and held in private homes or other areas by snake collectors. Consequently, almost any type of venomous snake bite can be encountered in the US. About 7,000 snake bites are reported in the US per year, but because snake bites are not required to be reported, it is estimated that up to 45,000 bites per year may occur with about 8,000 by poisonous snakes. The most common venomous snakes in the US are:
- cottonmouths/water moccasins, and
- coral snakes.
What is a nonvenomous (nonpoisonous) snake bite?
- A nonvenomous (nonpoisonous) snake bite is a bite or puncture wound made by a snake that is incapable of secreting a toxin. This should be distinguished from a dry bite.
- A dry bite is a bite by a venomous snake that does not inject any toxin.
- Even bites that are from a nonvenomous snake or are dry need to be evaluated as they can lead to significant tissue damage or infections.
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