Black widow spider

Black widow spider
Definition
The black widow spider (Latrodectus mactans) has a shiny black body with a red hourglass-shape on the belly area. The bite of a black widow spider is poisonous.

Black Widow Spider Bite Overview
Most people avoid spiders. Many fear them. Scary movies use spiders to create creepy, crawly suspense.

Black Widow Spider Bite
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Black widow spider
The black widow spider (Latrodectus mactans) has a shiny black body with a red hourglass-shape on the belly area. The bite of a black widow spider is poisonous.

Black Widow spiders can be identified by the red hourglass mark on their bellies (do not go looking for it). Black Widows are found in "hidden" areas, such as woodpiles, outdoor sheds, barns, trees, and basements.

Black widow spiders (Latrodectus mactans and Latrodectus hesperus) are found throughout the United States, Mexico, and southern Canada. A female black widow is much more likely to deliver more venom than a male spider.

Black widow spider
Reviewed last on: 2/17/2009
A.D.A.M. Editorial Team: David Zieve, MD, MHA, Greg Juhn, MTPW, David R. Eltz. Previously reviewed by Eric Perez, MD, Department of Emergency Medicine, St. Luke's-Roosevelt Hospital Center, New York, NY.

Alternate Names : Bedbug bite, Bee sting, Bites - insects, bees, and spiders, Black widow spider bite, Brown recluse bite, Flea bite, Honey bee or hornet sting, Lice bites, Mite bite, Scorpion bite, Spider bite, Wasp sting, Yellow jacket sting ...

Black widow spider
Although serious, a black widow bite is rarely lethal. You can identify this spider by the red hourglass marking on its belly. The bite feels like a pinprick. You may not even know you've been bitten.

Black widow spiders are found throughout North America, but are most common in the southern and western areas of the United States. They are identified by the pattern of red coloration on the underside of their abdomen.

Black Widow Spider Bite
Brown Recluse Spider Bite
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A black widow spider is a shiny, black spider with a fat body and a distinctive red or orange hourglass figure on its underside. It is found in most parts of the US.

A black widow spider is a small, shiny, black, button-shaped spider with a red hourglass mark on its abdomen, and prefers warm climates.

A black widow spider bite is said to feel like a pinprick, although victims may not realize that they have been bitten. Sometimes double fang marks may be seen at the location of the bite.

Bites of black widow spiders may result in respiratory difficulty with a worsening in the reactive airway. Spontaneous abortion or preterm labor may occur in pregnant women.

Our native western black widow spider is common in eastern Washington and has a few, small populations in the western side of the state.

Black widow spider envenomation ... dyspnea, rapid breathing, rapid breathing
Blaichman syndrome ... breathing problems
Bland-Garland-White syndrome ... chest pains, rapid breathing, rapid breathing
Bland-White -Garland syndrome ...

Black Widow Spider Bite
Black Women's Health Imperative - Support Group
Black Women's Health Imperative - Women's Health - Support Group
Bladder and Other Urothelial Cancers Screening (PDQ®): Screening - Health Professional Information [NCI] ...

It can be used for insect bites or stings (such as Black Widow Spider bites); sensitivity reactions, particularly when characterized by urticaria (hives); magnesium intoxication; as an aid in management of the acute symptoms in lead colic; ...

If you were bitten by a brown recluse or black widow spider, or are unsure and you feel sick, get medical treatment quickly. Treatment may include:
Stabilization of symptoms you may have
Medications to reduce pain ...

Osteochondroma, Urinary Catheterization, Vertex Headache, Packagings, Participation, Community, Pregnancy Specific beta 1 Globulin, Procedure, Elective Surgical, Progressive Intracranial Occlusive Arteropathy (Moyamoya), Prolapse, Black Widow Spider, ...

Other systemic effects are specific to the venoms produced by specific species - for example, the brown recluse spider (Loxosceles reclusa) can cause severe red blood cell breakdown. The notorious black widow spiders (Latrodectus sp) can cause a ...

in healthy red blood cells, and which can interfere with blood flowing out of an erect penis
Fabry's disease, a metabolic disorder in which fats are not properly broken down in your digestive system
Carbon monoxide poisoning
Black widow spider ...

Black Widow Spider Bite
Bladder and Other Urothelial Cancers Screening (PDQ®): Screening - Health Professional Information [NCI]
Bladder and Other Urothelial Cancers Screening (PDQ®): Screening - Patient Information [NCI]
Bladder Cancer ...

See also: Symptom, Emergency, Bites, Fever, Rash