Preprint Brief Report Version 1 Preserved in Portico This version is not peer-reviewed

Muscle Spasms – A Common Symptom Following Theraphosid Spider Bites?

Version 1 : Received: 7 December 2020 / Approved: 7 December 2020 / Online: 7 December 2020 (12:11:44 CET)
Version 2 : Received: 4 January 2021 / Approved: 5 January 2021 / Online: 5 January 2021 (10:34:40 CET)

How to cite: Hauke, T.; Herzig, V. Muscle Spasms – A Common Symptom Following Theraphosid Spider Bites?. Preprints 2020, 2020120145 (doi: 10.20944/preprints202012.0145.v1). Hauke, T.; Herzig, V. Muscle Spasms – A Common Symptom Following Theraphosid Spider Bites?. Preprints 2020, 2020120145 (doi: 10.20944/preprints202012.0145.v1).

Abstract

Despite the popularity of theraphosids, detailed reports on bite symptoms are still limited to few geographic regions and subfamilies. We therefore examined 363 published bite reports and noticed muscles cramps caused by theraphosids from nearly all continents and subfamilies. Symptoms are mostly locally restricted and mild, but 12.7% of victims experience pronounced cramps with highest incidence rates by Poecilotheriinae, Harpactirinae and Stromatopelminae subfamilies. We discuss how variations in venom quantity correlate with muscle cramp prevalence.

Subject Areas

Theraphosidae; muscle cramps; convulsion; spider; envenomation; bite

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