Of all spiders, karakurts are considered the most dangerous. Bites of a black widow - as the female arthropods are called - are heavily carried even by the strongest and absolutely healthy people. Hide such spiders mainly in firewood, enclosed spaces such as a shed or outdoor toilet. The insect is aggressive. Attacks Karakurt already with the slightest provocation on the part of the person, moreover, the victim of the spider very often can not even notice.
Symptoms of a black widow bite
Of all the arthropods, the Karakurts have the most toxic poison. Its basis is hemolysin and neurotoxin. These substances have antigenic properties, which explains the rather vivid symptoms of poisoning.
Directly the moment of a black widow's bite can not be noticed. The person feels a sudden sudden prick, the pain from which very quickly passes. On the skin thereafter remains a small hardly discernible dot. Feel on yourself all the "delights" of contact with the spider can be in about half an hour - an hour. First there is a sharp pain in the place of the bite, but afterwards it gradually spreads throughout the body, reaching the limbs. Often unpleasant feelings are accompanied by cramps.
Almost always bitten suffer from muscle spasms. They begin mainly with the abdomen. Because of this poisoning by spider venom, even some experts are confused with an attack of peritonitis or appendicitis . The main difference with the bite of the palpation of the abdomen is completely painless. And pains in the extremities with gastroenterological problems are extremely rare.
To understand, that it is necessary to do something at a sting of the black widow, it is possible and on such signs:
- nausea;
- vomiting;
- weakness;
- blurred consciousness;
- loss of consciousness;
- Strong headache;
- copious salivation;
- trembling of limbs;
- excessive sweating;
- dyspnea;
- tachycardia;
- arterial hypertension;
- paresthesia.
Some patients have to face even such unpleasant symptoms as urinary incontinence and kidney failure.
What should I do if I bite a black widow spider?
A couple of hours after the appearance, the intensity of the first signs of a bite may decrease, and sometimes they completely disappear. However, if you do not give proper attention to the problem and leave it without treatment, the symptoms recur within a couple of days.
It is important to understand that the consequences of a bite of a black widow can be deplorable - the deaths due to cardiac and respiratory insufficiency are quite real. But fortunately, most of the patients recover safely after spider poisoning.
And to recover as soon as possible and all the consequences of the bite of the black widow's spider have been prevented, it is necessary to provide first aid in time:
- It is necessary to try to suck out poison from wound with a mouth or improvised means.
- The victim should provide peace, and bitten place - immobilize.
- Small portions of hot drink boost the excretion of toxic substances from the body.
- The pain from the bite will remove the cold compress.
- If necessary, you can get rid of unpleasant sensations with the help of an anesthetic .
Faster and more effective from the symptoms of a black widow's bite eliminates the antidote. It is prepared from horse serum. The medicine is strong enough, therefore the human body can react to it with an allergic reaction. Completely rely on the antidote is also not because it is not available in all hospitals.
By analogy with the therapeutic serum acts a solution of gluconate or calcium chloride and anticonvulsants.