Spiders are a source of intrigue and fear, and several myths exist about their medical effects.
Many people believe that bites from various spider species cause necrotic ulceration …

Accidents caused by brown spiders (Loxosceles genus) are classically associated with
dermonecrotic lesions and systemic manifestations including intravascular haemolysis …

Loxoscelism (bites by spiders of the genus Loxosceles) is the only proven arachnological
cause of dermonecrosis. Although Loxosceles spiders can be found worldwide, their …

The genus Loxosceles comprises 140 species widely distributed around the world. These
spiders are nocturnal, sedentary and remarkably nonaggressive, although they cause …

Necrotic arachnidism is the potential cutaneous reaction to spider bite venom. In the United
States, members of 7 spider families may be responsible for envenomation sufficiently …

The erythrocyte is a highly specialised cell with a limited metabolic repertoire. As an oxygen
shuttle, it must continue to perform this essential task while exposed to a wide range of …

A retrospective study analysed 359 proven or presume cases of loxoscelism seen at the
Hospital Vital Brazil, Instituto Butantan, São Paulo, Brazil, between 1985 and 1996. The …

Loxoscelism is caused by envenomation by spiders from Loxosceles genus. Clinical
symptoms only appear a few hours after envenomation and can evolve in local reactions …

Loxosceles spiders are found globally, especially in South and North America. In Brazil,
approximately 10,000 cases of Loxosceles spp. spider bites are reported annually. Herein …

The bite of spiders of the genus Loxosceles can induce a variety of biological effects,
including dermonecrosis and complement-dependent haemolysis. The aim of this study was …