Skin Lesions caused by poisonous snakes

From venomous snakes the most dangerous bites of Cobra, spectacled serpents, vipers, some sea snakes. Their bites (usually hands, feet) are accompanied by local pain, progressive edema of the affected limb, passing sometimes on the trunk. At the bite location revealed two reddish dotted wound; soon around them appear petechiae or hemorrhages, which can be detected also on mucous membranes.

There is cyanosis and rapid swelling of limbs, increasing the General toxic reaction. In some cases, develop kollaptoidnoe state. Bites of snakes up to 15% of bitten die from heart failure, paralysis of the respiratory center 3-4 days after the bite.

Treatment: rapid removal (suction) of the poison from the wounds (effectively in half an hour); immobilization of extremities; the introduction of anti-typhoid serum in the interscapular region (20-100 ml); epinephrine, caffeine, kordiamin, ephedrine; novocaine blockade around the bite; systemic corticosteroids in medium doses.


Some marine molluscs have poisonous apparatus and swimmers cause painful burns, the development of erosions, local ischemia, cyanosis, numbness, which quickly can spread to large areas of the body. Contact with some species of shellfish can lead to death. Described occupational allergic dermatitis from contact with squid and mussels.


Called leeches, which stick to human skin in stagnant ponds, when in the jungle, walking barefoot on the wet grass and swamps. The bite of the medicinal leech maloboleznenny, as the secret of their salivary glands contains anesthetizing substances. The tropical leeches bites cause burning and sharp pain. After their bites appear bleeding wounds, slowly healing due to secondary infection, until abscesses and phlegmons (with concomitant debilitating diseases). In the presence of sensitization arise urticarial, bullous, necrotic rash, it is possible anaphylactic reaction.

The disease of fishers of sponges (coral ulcers)

Contact dermatitis caused by larvae floating anemone Edwardsiella lineata. On the ground of the body covered by bathing suit or swimming trunks, a light erythema, small red papules (papulovezikuly), less bubbles, pustules. The rash lasts for 1-2 weeks. In repeated contacts with Actinia skin manifestations are more severe (up to ulcer-necrotic lesions).

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