insects and spider bites word

7/31/2019 Insects and Spider Bites Word

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Insects and Spider Bites

Insect Bite

Insect bites are puncture wounds, or lacerations, caused by insects. When an insect bites,

it releases a form of saliva that can cause painful symptoms or an immediate skin

reaction.

When an insect bites, it releases saliva that can cause skin around the bite to become red,

swollen and itchy.

Non-venomous insects bite and usually inject anti-coagulant saliva to feed

Sting

Venomous insects, attack and inject painful, toxic venom through stingers as a defense

mechanism to warn.

The venom from a sting often also causes a swollen, itchy, red mark (a weal) to form

on the skin. This can be painful, but is harmless in most cases. The affected area willusually remain painful and itchy for a few days.

Bites or stings, may cause serious reactions in people who are allergic to them.

In fact, death from bee stings is 3-4 times more common than death from snake bites.

Stinging Insects

Bumble bee Honey bee Hornet Wasp Fire ants

Biting Insects

Bed Bug Flea Lice Ticks Spider Mosquito

Types of Reaction

Local Reaction:

Complains include discomfort, itching, moderate or severe pain, erythema, tenderness,warmth, and edema of tissues surrounding the site.


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Severe local reaction:

complaints include generalized erythema, urticaria, and pruritic edema. Severe local reactions increase the likelihood of serious systemic reactions if the patient

is exposed again at a later time.

Systemic or anaphylactic reaction:

complain of localized symptoms as well as symptoms not contiguous with the bitelocation. Symptoms can range from mild to fatal.

a serious allergic reaction that is rapid in onset and may cause death. It typically results ina number of symptoms including an itchy rash, throat swelling, and low blood pressure

Symptoms caused by a stinging insect

Bee and wasp stings are usually immediately obvious. A sharp pain is followed by a burning

sensation that soon resolves into a major itch. A red ring or bump then appears at the site of the

sting. Stingers can be barbed and remain in the skin, although some stinging insects lack barbson their stingers and can attack again and again. The most serious immediate reactions occur

from stings of the yellow-and-black flying insects.

bump on the surface of the skin burning on the skin itchiness red ring on the surface of the skin sharp pain stinger lodged in skin

Symptoms caused by itching and bloodsucking insects

Bites from insects that feed on your blood usually result in itchy spots or lumps that clear up

within a day or so. Others cause no symptoms while they're biting. The only way to find them is

to examine your skin each night. Most people can guess at what's bitten them by looking at the

wound or welt site. Black flies, for example, leave bites that look similar to those from mosquito

but they have small vesicle(fluid filled cyst) at the spot where the bite is and occur around the

head, neck and ears, while fleas often bite repeatedly around the feet and lower legs. Bedbugs

tend to leave lines of bites, usually on the torso.

itchy spots on the skin lumps on the skin


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Symptoms of severe allergic reaction

Some people experience both the immediate and the delayed reactions from the same insect bite

or sting. Most reactions to insect bites are mild and can cause an annoying itch or sting with mild

swelling. These symptoms normally disappear within a day or so. However, a delayed reaction

that can indicate a more sever allergy may cause fever, hives, painful joints and swollen glands.

Signs and symptoms of a severe reaction include:

abdominal pain facial swelling fever hives painful joints shortness of breath

When to seek help

Seek medical help if you are experiencing a severe allergic reaction to a sting or bite. If

symptoms are severe, you should visit your doctor as soon as possible. If previous insect bites

have caused generalised symptoms other than at the bite site, such as a large skin reaction, with

redness and swelling of over 10cms in diameter, your doctor may refer you to see a specialist at

an allergy clinic.

Anyone who experiences signs of severe headache combined with the following symptoms after

an insect bite or sting should receive immediate medical attention:

body aches

confusion drowsiness faintness high fever muscle weakness nausea poor coordination stiff neck vomiting


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Call for emergency medical assistance if the following signs or symptoms occur:

difficulty breathing difficulty swallowing hives loss of consciousness nausea and vomiting shock swelling of the lips swelling of the throat rapid heartbeat

insects and spider bites word

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